Issued Patents All Time
Showing 1–25 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10301747 | Fiber comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole | — | 2019-05-28 |
| 9790366 | Composite polymer solution of poly(M-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(P-aminophenyl)benzimidazole | — | 2017-10-17 |
| 9663875 | Sheets and fibrids comprising a mixture of poly(m-phenylene isophthalamide) and copolymer made from 5(6)-amino-2-(p-aminophenyl)benzimidazole | — | 2017-05-30 |
| 9193841 | Film comprising a mixture of poly (M-phenylene isophthalamide) and copolymer made from (6)-amino-2-(P-aminophenyl) benzimidazole | — | 2015-11-24 |
| 9127143 | Aramid copolymer | — | 2015-09-08 |
| 8907052 | Process of forming an aramid copolymer | — | 2014-12-09 |
| 8907051 | Process for forming an aramid copolymer | — | 2014-12-09 |
| 8835600 | Process of forming an aramid copolymer | — | 2014-09-16 |
| 8822632 | Process for forming an aramid copolymer | — | 2014-09-02 |
| 8809434 | Process for preparing aramid copolymer | — | 2014-08-19 |
| 8716434 | Aramid copolymer | — | 2014-05-06 |
| 8716433 | Aramid copolymer | — | 2014-05-06 |
| 8716431 | Process for preparing aramid copolymer | — | 2014-05-06 |
| 8716432 | Process for forming an aramid copolymer | — | 2014-05-06 |
| 7772441 | Process for producing 3,4′ dihydroxybenzophenone | Michael Francis Vincent | 2010-08-10 |
| 7772418 | Process for producing 3,4′ diacetoxybenzophenone | Michael Francis Vincent | 2010-08-10 |
| 7758757 | Method for removing hydrazine compounds | — | 2010-07-20 |
| 7582721 | Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom | Harry L. O. Smith | 2009-09-01 |
| 7528216 | Two step preparation of random polyoxadiazole copolymer and articles resulting therefrom | Harry L. O. Smith | 2009-05-05 |
| 7528217 | Polymers and fibers formed therefrom | Jon David Hartzler | 2009-05-05 |
| 7465782 | Method for making polybenzobisoxazole containing fiber | — | 2008-12-16 |
| 7465781 | Method for making polybenzobisoxazole containing polymer | — | 2008-12-16 |
| 7253247 | Method of making aromatic dihydroxy diacid dihalides and precipitates resulting therefrom | — | 2007-08-07 |
| 7189346 | Polybenzazole fibers and processes for their preparation | — | 2007-03-13 |
| 6916549 | In situ fluoropolymer polymerization into porous substrates | John Russell Crompton, Jr., James M. Donatello, Charles W. Stewart, Robert Clayton Wheland | 2005-07-12 |