Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462536 | Protein nonadsorptive membranes for wound dressings | James A. Braatz, Clifton L. Kehr, William S. Letter | 1995-10-31 |
| 5387633 | Styrene sodium styrene sulfonate copolymer for plastisol sealant | Richard Bush, Eugene E. Carney, Shao Hai Wu, Felek Jachimowicz, Tsutomu Takeuchi | 1995-02-07 |
| 5296518 | Hydrophilic polyurethaneurea foams containing no toxic leachable additives and method to produce such foams | Clifford Alvin Ferrin, Jr., James L. Guthrie, Clifton L. Kehr | 1994-03-22 |
| 5104909 | Water-absorbent, high capacity polyurethane foams | James L. Guthrie | 1992-04-14 |
| 5096934 | Packaging material containing inherently antistatic polymeric foam and method for use thereof | William P. Roberts, Cynthia L. Ebner | 1992-03-17 |
| 5017664 | Biocompatible polyurethane devices wherein polyurethane is modified with lower alkyl sulfonate and lower alkyl carboxylate | Stuart L. Cooper | 1991-05-21 |
| 4880883 | Biocompatible polyurethanes modified with lower alkyl sulfonate and lower alkyl carboxylate | Stuart L. Cooper | 1989-11-14 |