U.S. Patents

Issued U.S. Patents:

  1. U.S. 9,254,350 Implantable medical devices having bioabsorbable primer polymer coatings (with Y.Guo)

  2. U.S. 9,150,837 Polyethylene glycolated superoxide dismutase mimetics (with D.Salvemini, Neumann W.L., Tremont SJ, POReddy)

  3. U.S. 9,056,156 Biocompatible polymers for coating or fabricating implantable medical devices (with M. Chen and P. Cheng)

  4. U.S. 9,056,153 Medical devices comprising polymeric drug delivery system with drug solubility gradients (with M. Chen and P. Cheng)

  5. U.S 8,974, 524 Stented transcatheter prosthetic heart valve delivery system and method (with H. Yeung, J. Shanahan, J. Dwork, A. Shipley, J. Allen, S. Deshmukh and Y. Guo)

  6. U.S. 8,871,238 Medical devices and coatings therefore comprising biodegradable polymers with enhanced functionality (with P. Cheng and M. Chen)

  7. U.S. 8,852,6290 Medical devices comprising polymeric drug delivery systems with drug solubility gradients (with M. Chen and P. Cheng)

  8. U.S. 8,709,465 Diazeniumdiolated phosphorylcholine polymers for nitric oxide release (with M. Chen, D. Shumaker and P. Cheng)

  9. U.S. 8,562,673 Stented transcatheter prosthetic neart valve delivery system and method (with H. Yeung, J. Shanahan, J. Dwork, A. Shipley, J. Allen, S.Deshmukh, and Y.Guo)

  10. U.S. 8.518,097 Plasticized Stent Coatings (with P. Cheng)

  11. U. S. 8,273,828 Methods for introducing reactive secondary amines pendant to polymer backbones that are useful for diazeniumdiolation (with M. Chen and P. Cheng)

  12. U.S. 8,241,619 Hindered amine nitric oxide donating polymers for coating medical devices (with P .Cheng and M. Chen)

  13. U.S. 8,217,166 Polyethylene glycolated superoxide dismutase mimetics (with D. Salvemini, W.L.Neumann, S. Tremont and P. O. Reddy)
  1. U.S. 8,158,187 Dry daizeniumdiolation methods for producing nitric oxide releasing medical devices (with M. Chen and P.Cheng)
  1. U.S. 8,137,687 4-aza-caprolactone-based polymeric composition useful for the manufacture of biodegradable medical devices and as medical coatings (with M.Chen and P. Cheng)
  1. U.S. 6,918,929 (with P. Cheng, R. Sundar, and K. Patel) Drug-polymer coated stent with pegylated styrenic block copolymers
  1. U.S. 8,021,679 Nitric  oxide-releasing biodegradable polymers useful as biomedical devices and coatings (with M. Chen and P. Cheng)
  1. U.S. 7,897,168 Degradable polymers incorporating gamma-butyrolactone (with P. Cheng, M. Chen and Y. Guo)
  1. 19. U.S. 7,815,927 Terpolymers for controlled release of bioactive agents from implantable medical devices (with P. Cheng and M. Chen)
  1. U.S. 7,811,600 Nitric oxide donating medical devices and methods of making same (with P. Cheng and M. Chen)
  1. U.S. 7,445,641 Biomaterials Modified with Superoxide Dismutase Mimics (with R. Ornberg, D. Forster, D. Riley, B. Thurmond, S. Henke, and K. Brethuaer)
  1. U.S. 7,442,721 Durable Biocompatible Controlled Drug Release Polymeric Coatings for Medical Devices (with P. Cheng and M. Chen)

  2. USS 7,144,419  Drug-polymer stent with blended phenoxy and styrenic block copolymers (with P. Cheng, R. Sundar,  and K. Patel )

  3. U.S. 7,004,976 Biopolymers modified with Superoxide Dismutase Mimicswith R. L. Ornberg, D. Forster, D. P. Riley, B. Thurmond, S. Henke, K. Brethauer, S. Joardar)

  4. U. S. 7,001,421 Stent with phenoxy primer coating (with P. Cheng, R. Sundar, and K. Patel)

  5. U.S.5, 334,635  Anti-static Thermoplastic Polymers

  6. U.S.5, 334,635  Anti-static Thermoplastic Polymers

  7. U.S. 5, 346,959    Functionalized Ethylene Oxide Antistatic Agents for ABS/SMA Blends (with P. M. Gomez and L. Stebbins)

  8. U.S. 5,200,498 (with L. Stebbins)  Lactam-Lactone Copolymers

  9. U.S. 5,189,098 Rubber Modified Reaction Moldable Nylon-6 Compositions

  10. U.S. 5,187, 230 Rubber Modified Polymer Blends of Polycarbonate and PETG

  11. U.S. 5,162, 416 Impact resistant Polyester Blend

  12. U.S. 5,130,370 (with L. Stebbins) Blends of Plasticized Polyvinylbutyral and PMMA

  13. U.S. 5,051,469 Rubber Modified Reaction Molded Nylon-6 Block Copolymer

  14. U.S. 5,104,934 Thermoplastic Molding Resins based on Amorphous Polyester and ABS or ASA

  15. U.S. 5,082,897 Thermoplastic Injection Molding Resins with Enhanced Moldability, and Impact Resistance

  16. U.S. 4,994,524 Dispersion of Core-Shell Polymer in Caprolactam

  17. U.S. 4,987,187 (with A. Padwa) Thermoplastic Molding Resin Comprising of Copolyester and Copolymer of Styrenic Member and Ethylenically Unsaturated Monomer

  18. U.S. 4,985,501 Thermoplastic Molding Resin Comprising of Copolyester and Copolymer of Styrenic Member and Unsaturated Anhydride

  19. U.S. 4,882,382 Dispersion of  Core-Shell polymer in Caprolactam  containing polymer

  20. U.S. 4,405,754 (with G. Moczygemba) Haze-free, Clear, Impact Resistant Resinous Polymers

  21. U.S. 4,341,672 (with H. Hsieh) Sulfur or Peroxy cured Epoxidized Diene Rubbers

  22. U.S. 4,309,517 Hydrocarbyl Esters of N-Cyclopropyl-N-Hydrocarbyl Carbamic Acids as Coupling Agents for Conjugated Diene Polymerizations

  23. U.S. 4,308,364 Lactones from Gamma Hydroxy Acids as Coupling Agents

  24. U.S. 4,255,526 Azodicarboxylate Modified Copolymers

  25. U.S. 4,135,037  (with H. Hsieh) Adhesives and Laminates

  26. U.S. 4,131,725 Polymer Epoxidation Process

  27. U.S. 4,131,653 (with H. Hsieh) Epoxidized Block Copolymers

  28. U.S. 4,051,199 (with H. Hsieh) Epoxidized Copolymers of Styrene, Butadiene, and Isoprene