Issued Patents All Time
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691443 | Drawable high tensile strength aramids | — | 1997-11-25 |
| 5543492 | Hydrolysis-resistant aramids | — | 1996-08-06 |
| 5459231 | Drawable high tensile strength aramids | — | 1995-10-17 |
| 5395917 | Polyimides from 4-(3-aminophenoxy)benzoic acid | — | 1995-03-07 |
| 5346985 | Drawable high tensile strength aramids | — | 1994-09-13 |
| 5334693 | Aramid composition | — | 1994-08-02 |
| 5310861 | Drawable high tensile strength aramids | — | 1994-05-10 |
| 5292856 | Aromatic condensation polyamides with pendant ester and amide groups | — | 1994-03-08 |
| 5288835 | Melt processable polyesters and poly(imide-esters) | — | 1994-02-22 |
| 5219898 | Spin dopes from poly[2,2'-bis(trifluoromethyl)benzidine terephthalamide] and from poly[2,2'-bis(1,1,2,2-tetrafluoroethoxy benzidine terephthalamide] | — | 1993-06-15 |
| 5212257 | Aramid block copolymers | — | 1993-05-18 |
| 5212258 | Aramid block copolymers | — | 1993-05-18 |
| 5202410 | Polyimides from substituted benzidine | — | 1993-04-13 |
| 5189141 | Polyaramide with pendant carboxyl groups | — | 1993-02-23 |
| 5175236 | Tough, high strength fibers of copolyesters prepared from isophthalic acid; 4,4'-oxydibenzoic acid; and hydroquinone diacetate | — | 1992-12-29 |
| 5173240 | Tension-free heat-treatment of aramid fiber and fibrids | — | 1992-12-22 |
| 5122416 | Poly[2,2'-bis(trifluoromethyl)benzidine terephthalamide] spin dopes and fibers therefrom | — | 1992-06-16 |
| 5039785 | Preparation of aromatic polyamide having pendant carboxyl groups | — | 1991-08-13 |
| 5026819 | High strength fiber or film of aromatic copolyamide with pendant carboxyl groups | — | 1991-06-25 |
| 5006630 | Soluble amorphous para-oriented aromatic polyamide from 2,2'-dibromo-5,5'-dimethoxy-[1,1'-biphenyl]-4,4'-diamine | — | 1991-04-09 |
| 5004834 | Preparation of polyamides from unstable diamines | — | 1991-04-02 |
| 4766256 | Anisotropic melt polyesters with improved glass transition temperature | — | 1988-08-23 |
| 4719280 | Anisotropic melt polyesters with improved glass transition temperature | — | 1988-01-12 |
| 4640972 | Filament of polyimide from pyromellitic acid dianhydride and 3,4'-oxydianiline | — | 1987-02-03 |
| 4500699 | Optically anisotropic melt forming copolyesters | Francis M. Logullo, Sr. | 1985-02-19 |