Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8765901 | Spandex compositions for high speed spinning | Charles F. Palmer, Jr. | 2014-07-01 |
| 6989432 | Copolymers of tetrahydrofuran, ethylene oxide and an additional cyclic ether | Gerfried Pruckmayr, Charles F. Palmer, Jr. | 2006-01-24 |
| 6503996 | High-uniformity spandex and process for making spandex | Donald D. Bretches | 2003-01-07 |
| 4895902 | Hindered tertiary amine aminoalkyl methacrylate stabilizer for spandex | Arnoldus J. Ultee | 1990-01-23 |
| 4871818 | Polyester-based spandex filament | — | 1989-10-03 |
| 4837292 | Article of spandex having polycarbonate soft segment | — | 1989-06-06 |
| 4798880 | Spandex formed with a mixture of diamines | — | 1989-01-17 |
| 4767828 | Polyester-based spandex filament | — | 1988-08-30 |