1.Changyou Gao, Xiaofei Dong, Zhaolong Wang. Hypervrbranched Polylysine Powder with Low Polydispersity Indest and Production Method Thereof, US 12,024,592B2, Patent application filing date: 2023.09.25, Patent grant date: 2024.07.02.

2.Changyou Gao, Qiaoxuan Wang, Peng Pai. A nanoparticle nucleic acid carrier containing hyperbranched polylysine and applications thereof, ZL 2022 1 0600677.3, Patent application filing date: 2022.05.30, Patent grant date: 2024.06.28.

3.Changyou Gao, Zihe Zhai, Beiduo Wang. A hyperbranched polylysine micro-nano carrier loaded with protein and its preparation method, ZL 2022 1 0598924.0, Patent application filing date: 2022.05.30, Patent grant date: 2024.06.28.

4.Changyou Gao, Liwen Deng. A method of preparing a hydrogel that can be loaded with a variety of molecules and used for healing infected wounds, ZL 2021 1 1405340.9, Patent application filing date: 2021.11.24, Patent grant date: 2024.06.28.

5.Changyou Gao, Yuming Shen, Yang Zhu. a superhydrophilic titanium surface treatment for oral implants and products and applications thereof, ZL 2022 1 1029263.6, Patent application filing date: 2022.08.23, Patent grant date: 2024.06.14.

6.Changyou Gao, Tong Zhou, Ziming Li, Chenxi Tu. A drug with both anti-inflammatory and antioxidant properties, ZL 2022 1 0598879.9, Patent application filing date: 2022.05.30, Patent grant date: 2024.03.12.

7.Changyou Gao, Zhaolong Wang, Xiaofei Dong. A rapid self-forming film anti-infective analgesic spray and its preparation method and application, ZL 2022 1 0598862.3, Patent application filing date: 2022.05.30, Patent grant date: 2024.02.09.

8.Changyou Gao, Tong Zhou, Shuqin Wang. An injectable hydrogel loaded with reactive oxygen-responsive degradable polymer micelles and method of preparation and application, ZL 2021 1 1054865.2, Patent application filing date: 2021.09.09, Patent grant date: 2024.01.30.

9.Changyou Gao, Zeyuan Jin, Xiaofei Dong. A swallowable popping bead mouthwash with excellent blood compatibility and a method of preparing the same, ZL 2022 1 0600577.0, Patent application filing date: 2022.05.30, Patent grant date: 2023.11.28.

10.Changyou Gao, Yang Zhu, Yanjiao Wang, Yuming Shen, Jie Ding. A controllable reactive oxygen response gel-filled porous scaffold and a method for its preparation, ZL 2022 1 0553990.6, Patent application filing date: 2022.05.30, Patent grant date: 2023.09.29.

11.Changyou Gao, Haijun Hu. A hyperbranched polylysine-containing hydrogel carrier material and its preparation method, ZL 2022 1 0600674.X, Patent application filing date: 2022.05.19, Patent grant date: 2023.09.29.

12.Changyou Gao, Kai Wang, Xiaofei Dong. A slow-release hydrogel ulcer patch for oral ulcers. ZL 2022 1 0598861.9, Patent application filing date: 2022.05.30. Patent grant date: 2023.09.29.

13.Changyou Gao, Xiaoqing Liu, Qiuyi Wang. A strong antimicrobial hydrogel dressing and its preparation method. ZL 2022 1 0600570.9, Patent application filing date: 2022.05.30. Patent grant date: 2023.08.01.

14.Changyou Gao, Zhaolong Wang, Xiaofei Dong. A preparation method and product application of a biofunctionalized surface-modified polyetheretherketone material. ZL 2022 1 0600645.3, Patent application filing date: 2022.05.30. Patent grant date: 2023.07.18.

15.Changyou Gao, Zhaoyi Wang. A nanoparticle arthritis drug with reactive oxygen responsive gradient delivery and a method for its preparation. ZL 2022 1 0600644.9, Patent application filing date: 2022.05.30. Patent grant date: 2023.06.30.

16.Changyou Gao, Xinyu Wu, Yang Zhu, Yuming Shen. A method for the preparation of frozen macroporous gels based on gelatin derivatives and its application. ZL 2022 1 0757572.9, Patent application filing date: 2022.06.30. Patent grant date: 2023.06.27.

17.Changyou Gao, LiWen Deng, Xiaoqing Liu. A procoagulant and pro-repair wound spray and a method for its preparation. ZL 2022 1 0600639.8, Patent application filing date: 2022.05.30. Patent grant date: 2023.06.13.

18.Changyou Gao, Chenxi Tu, Yang Zhu, Yuming Shen. A method of titanium surface modification for oral implantation with anti-tissue adhesion and its products and applications, ZL 2022 1 0759270.5, Patent application filing date: 2022.06.30. Patent grant date: 2023.06.06.

19.Changyou Gao, Xiaofei Dong, Zhaolong Wang. Hyperbranched polylysine powder with low polydispersity index and its production method, ZL 2022 1 0065573.7, Patent application filing date: 2022.01.20. Patent grant date: 2023.05.09

20.Changyou Gao, Shuqin Wang, Weiwei Zheng. A kind of hydrogel microspheres highly efficiently loaded with anti-inflammatory drugs and its preparation method, ZL 2022 1 0600678.8, Patent application filing date: 2022.05.30. Patent grant date: 2023.04.28.

21.Changyou Gao, Shuqin Wang, Xinyu Wu. A medical catheter containing a viscosity-blocking layer and its preparation method, Patent application filing date: 2022.05.30. Patent grant date: 2023.04.28.

22.Changyou Gao, Shifen Li. A Shape Memory Polyurethane Material with Dual Functions of Reactive Oxygen Responsiveness and Anti-Adhesion, ZL 2021 1 10919737, Patent application filing date: 2021.09.17. Patent grant date 2023.03.28.

23.Changyou Gao, Jie Wang, Xiaofei Dong. An antimicrobial dressing for scarless wound healing and its preparation method, ZL 2022 1 0600635X, Patent application filing date: 2022.05.30. Patent grant date: 2023.03.17.

24.Changyou Gao, Xiaoqing Liu, Chenxi Tu. An antimicrobial and antioxidant hydrogel dressing for the treatment of diabetic wounds and its preparation method, ZL 2022 1 0599840.9, Patent application filing date: 2022.05.30. Patent grant date: 2023.01.06.

25.Yang Zhu, Yuwen Lu, Changyou Gao, Tanchen Ren, Liyin Shen, Xiaoqian Hong. A suture-free coagulation-assisted fixed heart patch and its preparation method, ZL 2021 1 113190.0, Patent application filing date: 2021.09.07. Patent grant date: 2022.07.29.

26.Changyou Gao, Shuqin Wang. A Schiff Base Hydrogel Material with Phenylboronic Acid on Side Link Branches and Its Preparation Method, ZL 2021 1 1044472.3, Patent application filing date: 2021.09.07. Patent grant date: 2022.11.8.

27.Changyou Gao, Zihe Zhai. Preparation method and application of a drug-carrying polymer nanoparticle with reactive oxygen response, ZL 2021 1 1086004.2, Patent application filing date: 2021.09.16. Patent grant date: 2022.05.10.

28.Changyou Gao, Wangbei Cao. A Conductive Hydrogel/Active Oxygen Responsive Polyurethane Composite Membrane Loaded with Doxycycline Hydrochloride and Its Preparation Method, ZL 2021 1 1067978.6, Patent application filing date: 2021.09.13. Patent grant date: 2022.05.10.

29.Changyou Gao, Chenxi Tu, Tong Zhou. An Active Oxygen Elimination Antibacterial and Anti-inflammatory Hydrogel Skin Dressing and Its Preparation Method, ZL 2021 1 0944019.1, Patent application filing date: 2021.08.17. Patent grant date: 2022.03.25.

30.Changyou Gao, Shan Yu, Zhengwei Mao. Gradient Coatings of Biopeptides That Promote Endothelial Cells Selective Adhesion and Directional Migration and Methods of Using the Same, US 11,052. 176 B2, 2017.10.10; Patent grant date: 2021.07.06.

31.Changyou Gao, Zhijian Yang, Jun Bai, Haolan Zhang. A titanium implant material with both anti-infection and osteointegration promotion function and its preparation method, ZL 2019 1 1080306.1, Patent application filing date: 2019.11.07. Patent grant date: 2021.07.06.

32.Changyou Gao, Jie Ding, Kai Wang. Preparation and application of an active oxygen responsive hydrogel, ZL 2019 1 1234610.7, Patent application filing date: 2019.02.05. Patent grant date: 2021.05.07.

33.Zhengwei Mao, Xinlian Zhao, Changyou Gao. A bi-directional gradient hydrogel for high throughput biomaterial screening and its preparation method, ZL 2020 1 0546257.2, Patent application filing date: 2020.06.16. Patent grant date: 2021.03.26.

34.Zhengwei Mao, Xinlian Zhao, Changyou Gao. Concentration/modulus bi-directional gradient hydrogel for high throughput screening of biomaterials and its preparation method, ZL 2020 1 0546245.X, Patent application filing date: 2020.06.16. Patent grant date: 2021.03.26.

35.Changyou Gao, Wangbei Cao. A self degradable hydrogel adhesive material for skin grafting and its preparation method, ZL 2019 1 1188189.0, Patent application filing date: 2019.11.28. Patent grant date: 2020.11.13.

36.Changyou Gao, Haolan Zhang. A reactive oxygen degradable polyurethane material containing polyketone thiol soft segments and its preparation method, ZL 2019 1 0314117.X, Patent application filing date: 2019.04.18. Patent grant date: 2020.10.02.

37.Weijun Tong, Tong Li, Changyou Gao. A preparation method of self-excited cascade reaction metal-organic framework nanoparticles with antimicrobial function, ZL 2019 1 0859389.8, Patent application filing date: 2019.09.11. Patent grant date: 2020.09.15.

38.Changyou Gao, Yuejun Yao. A reactive oxygen responsive degradable polyurethane material and its preparation method, ZL 2019 1 0286276.3, Patent application filing date: 2019.04.10. Patent grant date: 2020.07.14.

39.Weijun Tong, Huanhuan Wang, Changyou Gao. A method of regulating the size of ZIF-8 nanoparticles using single-ended polyethylene glycol, ZL 2018 1 0857866.2, Patent application filing date: 2018.07.13. Patent grant date: 2020.06.19.

40.Changyou Gao, Yuankun Dai. Fibrin material for integrated repair of cartilage and subchondral bone and its preparation method, ZL 2016  10366084.X, Patent application filing date: 2016.05.30. Patent grant date: 2019.09.10.

41.Changyou Gao, Yuankun Dai. Hyaluronic acid/poly(lactic acid)-glycolic acid copolymer composite cartilage repair material with radially oriented pore structure and its preparation method, ZL 2016 1 0366083.5, Patent application filing date: 2016.05.30. Patent grant date: 2019.01.18.

42.Changyou Gao, Jianyong Feng. A preparation method of poly(lactic acid) melt-spun fiber thermally bonded cured three-dimensional porous disordered scaffold, ZL 2016 1 1039705.X, Patent application filing date: 2015.01.27. Patent grant date: 2018.10.12.

43.Changyou Gao, Jianyong Feng. Preparation method of porous ordered scaffolds with medical polylactic acid melt-spun fibers, ZL 2015 1 0689127.3, Patent application filing date: 2015.10.22. Patent grant date: 2018.09.21.

44.Shijian Li, Lie Ma, Shurong Dong, Wei Guo, Wenjun Jiao, Changyou Gao, Zhaohui Wu. An electronic skin for real-time wound monitoring, ZL 2016 1 0172862.1, Patent application filing date: 2016.03.04. Patent grant date: 2018.07.31.

45.Zhengwei Mao, Lijie Han, Changyou Gao. Preparation method of cell membrane microcapsules simultaneously loaded with chemotherapeutic drugs photodynamic therapy drugs, ZL 2015 1 0736015.9, Patent application filing date: 2015.11.03. Patent grant date: 2018.06.19.

46.Changyou Gao, Jianyong Feng. Preparation method of highly adsorbable cellulose diacetate composite electrostatically spun nanofiber ordered porous film, ZL 2015 1 0717504.X, Patent application filing date: 2015.10.29. Patent grant date: 2018.04.27.

47.Changyou Gao, Bin Hu. A biodegradable unsaturated polyurethane material and its preparation method, ZL 2014 1 0667130.0, Patent application filing date: 2014.11.20. Patent grant date: 2017.06.13.

48.Changyou Gao, Jianyong Feng. A preparation method of three-dimensional bionic porous ordered scaffold of polylactic acid fiber, ZL 2014 1 0612178.1, Patent application filing date: 2014.11.03. Patent grant date: 2017.04.19.

49.Changyou Gao, Jianyong Feng. Preparation method of poly(lactic acid) melt-spun fiber thermally bonded cured three-dimensional porous disordered scaffold, ZL 2015 1 0040458.4, Patent application filing date: 2014.11.03. Patent grant date: 2017.04.12.

50.Changyou Gao, Jianyong Feng. Preparation method of poly(lactic acid) melt-spun fiber thermally bonded cured ordered scaffold, ZL 2015 1 0041589.4, Patent application filing date: 2015.01.27. Patent grant date: 2016.08.17.

51.Changyou Gao, Lie Ma, Dongming Xing. Acetylcholine-functionalized degradable polyester material for neural tissue repair and its preparation method, ZL 2014 1 0274520.1, Patent application filing date: 2014.06.18. Patent grant date: 2015.10.21.

52.Weijun Tong, Pan Zhang, Changyou Gao. A method of preparing microencapsulated pH sensor, ZL 2013 1 0460418.9, Patent application filing date: 2013.09.29. Patent grant date: 2015.08.12.

53.Changyou Gao, Wei Wang, Bo Li, Haiguang Zhao, Zhengwei Mao. A preparation method of plasmid DNA/fibrin gel/polymer ternary composite scaffold, ZL 2009 1 0155117.6, Patent application filing date: 2009.12.02. Patent grant date: 2015.07.15.

54.Lie Ma, Meicong Wang, Jie Dong, Qianqian Wang, Changyou Gao. An artificial bile duct bionic stent with a double-layer composite structure and its preparation method, ZL 201210121193.7, Patent application filing date: 2012.04.24. Patent grant date: 2014.12.24.

55.Lie Ma, Changyou Gao, Yunyun Liu. Method of preparing cross-linked collagen/chitosan tissue-engineered porous scaffolds by a single freeze-drying, 2012.03.21; ZL 201210075386.3, Patent application filing date: 2012.03.21. Patent grant date: 2014.12.24.

56.Zhongfa Lv, Min Zheng, Suimei Cai, Lie Ma, Xianjie Wu, Changyou Gao. Preparation method of artificial skin containing hair follicles and artificial skin prepared therefrom, ZL 2008 1 00602674, Patent application filing date: 2008.09.17. Patent grant date: 2011.05.25.

57.Chunmao Han, Jinzhang Sun, Haifei Shi, Zhengwei Mao, Jie Zhou, Lie Ma, Changyou Gao. Collagen-chitosan/fibrin glue asymmetric scaffold and its preparation method and application, ZL 2007 1 00683107, Patent application filing date: 2007.10.30. Patent grant date:2009.10.28.

58.Changyou Gao, Weijun Tong, Yichao Song. A method of using sodium chloride solution to treat calcium alginate microspheres to regulate the drug loading capacity of microspheres, ZL 2012 1 0115661.X, Patent application filing date: 2012.04.19. Patent grant date: 2013.05.29.

59.Changyou Gao, Weijun Tong, Lili Xie. A method of preparing multifunctional nanocarriers, ZL 2012 1 0024989.0, Patent application filing date: 2012.02.06. Patent grant date: 2013.06.12.

60.Changyou Gao, Yuan Qiu, Jichuan Zhang, Lihong Rao. Preparation method of a galactosylated chitosan/polyester-based polymer composite scaffold, ZL 2010 1 0127810.5, Patent application filing date: 2010.08.04. Patent grant date: 2013.04.03.

61.Changyou Gao, Lihong Lao, Zhu Yang, Qiu Yuan, Zhang Yuying. Preparation method of bioactive poly(lactic acid-hydroxyacetic acid)/collagen/hydroxyapatite composite fiber membrane for bone repair, ZL 2010 1 0125478.9, Patent application filing date: 2010.08.04. Patent grant date: 2013.02.27.

62.Changyou Gao, Lie Ma, Haiguang Zhao, Jiacong Shen. Preparation method of composite scaffold with fibrin gel and calcium-phosphorus nanoparticles, ZL 2007 1 0069109.0, Patent grant date: 2010.10.06

63.Changyou Gao, Lie Ma, Higuang Zhao, Jiacong Shen. Preparation Method of a Fibrin Gel-Filled Polymer Porous Scaffold, ZL 2007 1 0068119.2, Patent grant date: 2010.05.26.

64.Changyou Gao, Lie Ma, Higuang Zhao, Jiacong Shen. Preparation Method of Injectable Polyester Microcarrier and Fibrin Gel Composite Scaffold, ZL 2007 1 0068118.8, Patent grant date: 2010.03.24.

65.Changyou Gao, Weijun Tong, Yi Zhu. A Method of Preparing Microcapsules by Controlled Deposition and Cross-linking on Surface, ZL 2007 1 0070746.X, Patent grant date: 2009.10.14.

66.Changyou Gao, Zhipeng Wang, Zhiqiang Feng. A method of preparing layer-layer assembled microcapsules based on subject-object interaction, ZL 2007 1 0068262.1, Patent grant date: 2009.06.10.

67.Changyou Gao, Feng Wang, Jun Feng, Weijun Tong. A method of preparing microcapsules using doped porous calcium carbonate template, ZL 2006 1 0052940.0, Patent grant date:: 2009.05.06.

68.Changyou Gao, Huaping Tan, Lihong Lao. A method of preparing polymer materials with gradient distribution of surface biomolecules, ZL 2007 1 0067682.8, Patent grant date: 2009.04.08.

69.Changyou Gao, Bo Chen, Hui Liu, Jiacong Shen. Preparation Method of Bioadhesive Chitosan Particles for Embedding and Delivering Active Drugs, ZL 2006 1 0049872.2, Patent grant date: 2009.01.21.

70.Changyou Gao, Yi Hong, Jiacong Shen. Preparation Method of Injectable Polylactic Acid Microcarrier/Chitosan Hydrogel Composite Scaffold, ZL 2005 1 0061868.3, Patent grant date: 2008.11.12.

71.Changyou Gao, Yi Hong, Jiacong Shen. A method of preparing porous microspheres of polylactic acid, ZL 2004 1 0052981.0, Patent grant date: 2008.05.21

72.Changyou Gao, Xuegui Zhan, Tao He, Yuegang Shao. A Silicone Wear-resistant Transparent Coating for Optical Plastic Surface Enhancement, ZL 2006 1 0050422.5, Patent grant date: 2008.03.19.

73.Changyou Gao, Bingbing Jiang, Jiacong Shen. Biodegradable polymer microcapsule injection preparation for water-soluble drugs and its preparation method, ZL 2005 1 0060925.6, Patent grant date: 2008.01.30.

74.Changyou Gao, Bingbing Jiang, Jiacong Shen. Biodegradable polymer microcapsule injection preparation for oil-soluble drugs and its preparation method, ZL 2005 1 0060926.0, Patent grant date: 2008.01.02.

75.Changyou Gao, Qinghe Zhao, Shuang Zhang, Jiacong Shen. Preparation Method of Microcapsules Embedding Anti-cancer Drugs, ZL 2005 1 0061354.8, Patent grant date: 2007.11.14.

76.Changyou Gao, Bingbing Jiang, Ling Hu, Jiacong Shen. A water dispersible nano-scale ibuprofen injection preparation and its preparation method, ZL 2005 1 0060924.1, Patent grant date: 2007.11.14.

77.Changyou Gao, Zhiqiang Feng, Zhipeng Wang, Jiacong Shen. Covalent Layer-by-Layer Self-Assembly of Polymer Films on Planar Substrate, ZL 2005 1 0061357.1, Patent grant date: 2007.08.15.

78.Changyou Gao, Zhiqiang Feng, Zhipeng Wang, Jiacong Shen. A method of preparing hollow microcapsules, ZL 2005 1 0061356.7, Patent grant date: 2007.08.15.

79.Changyou Gao, Zhiqiang Feng, Zhipeng Wang, Jiacong Shen. Method of assembling microcapsules based on covalent bond interaction layer-layer, ZL 2005 1 0061355.2, Patent grant date: 2007.08.15.

80.Changyou Gao, Yi Hong, Jiacong Shen. Preparation Method of Injectable Chitosan Hydrogel for Tissue Engineering, ZL 2005 1 0061869.8, Patent grant date: 2007.08.08.

81.Changyou Gao, Yabin Zhu, Xingyu Liu, Jiacong Shen. Method of modifying polyester-based materials into biomaterials with cytocompatible surfaces, ZL 02112170.2, Patent grant date: 2007.08.15

82.Changyou Gao, Lie, Ma, Yanchao Shi, Jiacong Shen, Chunmao Han. Collagen-Chitosan and Silicone Rubber Double Layer Skin Regeneration Scaffold and Its Preparation Method, ZL 2005 1 0061872.X, Patent grant date: 2007.06.06

83.Changyou Gao, Yihong Gong, Lijuan He, Zhengwei Mao, Jiacong Shen. Method of Compounding Hydrogel into Porous Tissue Engineering Scaffolds, ZL 2004 1 0052984.4, Patent grant date: 2007.05.09

84.Changyou Gao, Lie Ma, Jie Zhou, Zhengwei Mao, Jiacong Shen. Layer-Layer Self-Assembly Method for Immobilizing Bioactive Factors on Tissue Engineering Materials, ZL 03150628.3, Patent grant date: 2005.12.28

85.Changyou Gao, Zhengwei Mao, Yihong Gong, Jiacong Shen. Method of Preparing Polymer Porous Scaffolds by Combining Wax Spheres Porogenic Agent and Thermotropic Phase Separation, ZL 03116446.3, Patent grant date: 2005.11.09

86.Changyou Gao, Zhengwei Mao, Yihong Gong, Jiacong Shen. Method of Introducing Cell Growth Factors on the Surface of Polymer Biomaterials, ZL 03117084.6, Patent grant date: 2005.08.31

87.Changyou Gao, Lie Ma, Zhengwei Mao, Jiacong Shen. Method of regulating the degradation rate of collagen-based porous scaffolds by amino acids, ZL 03117083.8, Patent grant date: 2005.08.17

88.Changyou Gao, Jie Feng, Jiacong Shen. Method of immobilizing biomolecules on polymer active surface patterned by microtransfer technique, ZL 02160335.9, Patent grant date: 2005.07.27

89.Changyou Gao, Jie Feng, Bo Wang, Jiacong Shen. Method of Immobilizing Biomolecules on the Surface of Inorganic Silicon Materials by Co-Patterning, ZL 02160334.0, Patent grant date: 2005.08.24

90.Changyou Gao, Zhengwei Mao, Yihong Gong, Jiacong Shen. Method of Stable Coating of Biomolecules on the Surface of Polymeric Biomaterials, ZL 03116450.1, Patent grant date: 2005.06.15

91.Changyou Gao, Yabin Zhu, Xingyu Liu, Jiacong Shen. Preparation of polyester biomaterials with free amine groups on the surface by aminolysis, ZL 02112169.9, Patent grant date: 2005.03.23

92.Changyou Gao, Yabin Zhu, Jiacong Shen. Method of self-assembling modified polyester materials with electrostatic attraction layer by layer for biomaterials with cytocompatible surface, ZL 02112499.X, Patent grant date: 2005.03.16

93.Changyou Gao, Jiacong Shen, Anzhen Zhang. Method of Preparing High Surface Hardness Polymer Optical Resin, ZL 02145033.1, Patent grant date: 2004.12.29

94.Changyou Gao, Bingbing Jiang, Jiacong Shen, Fuyu Sun, Xiaoguang Li. A Water-Dispersible Nanoscale Bone Morphogenetic Protein Injectable Preparation and Its Preparation Method, ZL 02137395.7, Patent grant date: 2004.11.24

95.Changyou Gao, Yihong Gong, Zhengwei Mao, Jiacong Shen. Preparation Method of Polylactic Acid Porous Scaffold for Tissue Engineering, ZL 02112497.3, Patent grant date: 2004.11.24

96.Changyou Gao, Lie Ma, Dengyong Wang, Zhengwei Mao, Jiacong Shen, Chunmao Han. Preparation Method of Collagen/Chitosan Porous Scaffold for Tissue Engineering, ZL 02112498.1, Patent grant date: 2004.12.15

97.Changyou Gao, Jiacong Shen, Anzhen Zhang. A Method of Preparing Polythiocarbamate Optical Plastics, ZL 02145130.3, Patent grant date:2004.10.20

98.Changyou Gao, Zhengwei Mao, Jianjun Guan, Yihong Gong, Jian Ji, Jiacong Shen. Method of Preparing Cytocompatible Biomaterials by Photo-Oxidative Grafting and Immobilization of Bioactive Factors, ZL 02136032.4, Patent grant date: 2004.09.01