Issued Patents All Time
Showing 1–25 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5654395 | Reinforced polyester compositions and method of making same | William R. Darnell | 1997-08-05 |
| 5338881 | Process for preparing diketones | Theodore R. Walker, Jr., Jean Carroll Fleischer | 1994-08-16 |
| 5260409 | Liquid crystalline polyester | William R. Darnell | 1993-11-09 |
| 5237038 | Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid, hydroquinone and 4,4'-biphenol | John C. Morris | 1993-08-17 |
| 5221719 | Blends of poly (ethylene terephthalate) and trans-4,4'-stilbenedicarboxylic acid polyesters | John C. Morris | 1993-06-22 |
| 5221730 | Polyesters from terephthalic acid, 2,6-naphthalenedicarboxylic acid and hydroquinone | John C. Morris, James Rodney Bradley | 1993-06-22 |
| 5194574 | Thermally stable polyesters containing trans-4,4'-stilbenedicarboxylic acid | John C. Morris | 1993-03-16 |
| 5155203 | Poly (ether-ketone) | W. Ronald Darnell | 1992-10-13 |
| 5107029 | Process for preparing diketones and keto-acids | Theodore R. Walker, Jr., Jean Carroll Fleischer | 1992-04-21 |
| 5081220 | Copolyesters of 4,4'-biphenyldicarboxylic acid, 1,4-butanediol and ethylene glycol | John C. Morris | 1992-01-14 |
| 5066766 | Process for the preparation of poly(ester-carbonates) | William R. Darnell | 1991-11-19 |
| 5064930 | Solid phase polyarylate process | Bruce C. Bell | 1991-11-12 |
| 5057595 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and ethylene glycol | John C. Morris | 1991-10-15 |
| 5037946 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and ethylene glycol | John C. Morris | 1991-08-06 |
| 5037947 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and 1,4-butanediol | John C. Morris | 1991-08-06 |
| 5011878 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol | John C. Morris | 1991-04-30 |
| 5011877 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and 1,6-hexanediol | John C. Morris | 1991-04-30 |
| 5006628 | Melt phase polyarylate process | W. Ronald Darnell, Bruce C. Bell, Marc Alan Strand | 1991-04-09 |
| 5003041 | Blends of poly(ethylene terephthalate) and trans-4,4'-stilbenedicarboxylic acid polyesters | John C. Morris | 1991-03-26 |
| 4973654 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and ethylene glycol | John C. Morris | 1990-11-27 |
| 4959450 | Copolyesters from 4,4'biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and 1,6-hexanediol | John C. Morris | 1990-09-25 |
| 4956448 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol, and 1,4-butanediol | John C. Morris | 1990-09-11 |
| 4916205 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,6-hexanediol and 1,4-butanediol | John C. Morris | 1990-04-10 |
| 4914179 | Copolyesters from 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and ethylene glycol | John C. Morris | 1990-04-03 |
| 4906709 | Blends of polycarbonates with polyesters from trans-4,4'-stilbenedicarboxylic acid and 1,6-hexanediol | John C. Morris | 1990-03-06 |