Issued Patents All Time
Showing 26–50 of 79 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4904747 | Blends of polycarbonates with polyesters from 4,4'-biphenyldicarboxylic acid and 1,6-hexanediol | John C. Morris | 1990-02-27 |
| 4895923 | Polycarbonate of cyclohexylhydroquinone | W. Ronald Darnell | 1990-01-23 |
| 4861856 | Process for the preparation of polyketone and poly(ketone-sulfone) polymers | W. Ronald Darnell | 1989-08-29 |
| 4849499 | Melt processable, liquid crystalline polyesters | David R. Fagerburg, Mary Martin | 1989-07-18 |
| 4839459 | Process for the preparation of poly(ether-ketone) polymers | W. Ronald Darnell | 1989-06-13 |
| 4824931 | Polyesters from trans-4,4'-stilbenedicarboxylic acid and 1,6-hexanediol | John C. Morris | 1989-04-25 |
| 4820794 | Process for preparing polyketone in the presence of perfluoroalkyl sulfonic acid and oxide of phosphorus | William R. Darnell | 1989-04-11 |
| 4769441 | Poly(ester-imide-amide of trimellitic anhydride, 4-(aminomethyl)cyclohexanemethanol and aromatic dicarboxylic acid | John C. Morris | 1988-09-06 |
| 4745211 | Process for the preparation of purified bis(2-hydroxyethyl) ester of 2,6-naphthalenedicarboxylic acid | Thomas H. Wicker, Jr. | 1988-05-17 |
| 4743630 | Poly(ester-ether-carbonate) | William R. Darnell | 1988-05-10 |
| 4739033 | Polyesters of trans-4,4'-stilbenedicarboxylic acid, 1,4-butanediol and 1,6-hexanediol | John C. Morris | 1988-04-19 |
| 4728718 | Polyesters of trans-4,4'-stilbenedicarboxylic acid, 1,6-hexanediol and 1,4-cyclohexanedimethanol | John C. Morris | 1988-03-01 |
| 4728720 | Polyesters of trans-4,4'-stilbenedicarboxylic acid, ethylene glycol, and 1,4-butanediol | John C. Morris | 1988-03-01 |
| 4728717 | Polyesters of trans-4,4'-stilbenedicarboxylic acid, 1,4-cyclohexanedimethanol and 1,4-butanediol | John C. Morris | 1988-03-01 |
| 4728719 | Polyesters of trans-4,4'-stilbenedicarboxylic acid, 1,6-hexanediol, and ethylene glycol | John C. Morris | 1988-03-01 |
| 4673726 | Poly(ester-imides) and poly(ester-imide-amides) of trimellitic anhydride and 4-(aminomethyl)cyclohexanemethanol | John C. Morris | 1987-06-16 |
| 4645802 | Blends of bisphenol A polycarbonate with poly(ester-imides) and poly(ester-imide-amides) | John C. Morris | 1987-02-24 |
| 4623675 | Aromatic poly(ether-carbonate) containing ethyleneoxy and arylene oxy moieties | William R. Darnell | 1986-11-18 |
| 4619976 | Blends of copolyesters and polycarbonate | John C. Morris | 1986-10-28 |
| 4604449 | Process for preparing poly(ester-amides) | Herbert F. Kuhfuss | 1986-08-05 |
| 4600768 | Aromatic polyesters derived from 2,3-butanediol | Joseph J. Watkins | 1986-07-15 |
| 4596866 | Poly(urea-amide) from m-xylylenediamine | Herbert F. Kuhfuss | 1986-06-24 |
| 4578453 | High molecular weight polyesters | Joseph J. Watkins | 1986-03-25 |
| 4554344 | Process for preparation of polyesters with improved molecular weight from glycols containing a vicinal secondary hydroxyl group | Joseph J. Watkins | 1985-11-19 |
| 4554343 | Process for the production of high molecular weight polyester | Joseph J. Watkins | 1985-11-19 |