Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5232647 | Process of making bicomponent acrylic fibers having reversible crimp | Spero Sampanis, Ronald E. Pfeiffer, Francesco De Maria, William E. Streetman | 1993-08-03 |
| 5130195 | Reversible crimp bicomponent acrylic fibers | Spero Sampanis, Ronald E. Pfeiffer, Francesco De Maria, William E. Streetman | 1992-07-14 |
| 4981752 | Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers | Gene P. Daumit, Yoon Seok Ko, Christopher R. Slater, Jozef G. Venner, Chi C. Young | 1991-01-01 |
| 4933128 | Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers | Gene P. Daumit, Yoon Seok Ko, Christopher R. Slater, Jozef G. Venner, Chi C. Young | 1990-06-12 |
| 4885092 | Process for the manufacture of asymmetric, porous membranes and product thereof | — | 1989-12-05 |
| 4865785 | Process for the manufacture of asymmetric, porous membranes, and product thereof | — | 1989-09-12 |
| 4536365 | Process for the manufacture of equally biaxially oriented film | — | 1985-08-20 |
| 4301108 | Process for melt-spinning transparent acrylonitrile polymer fiber from a hydrophobic polymer | — | 1981-11-17 |
| 4301112 | Process for biaxially oriented acrylonitrile polymer barrier film | — | 1981-11-17 |
| 4278634 | Biconstituent acrylic fibers by melt spinning | William J. van Loo | 1981-07-14 |