Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4429100 | Polyester of 6-hydroxy-2-naphthoic acid, para-hydroxybenzoic acid, 2,6-dioxyanthraquinone, and aromatic diacid | Larry F. Charbonneau | 1984-01-31 |
| 4395513 | High performance thermally stable poly(6-oxy-2-naphthoate) | — | 1983-07-26 |
| 4375530 | Polyester of 2,6-naphthalene dicarboxylic acid, 2,6-dihydroxy naphthalene, terephthalic acid, and hydroquinone capable of forming an anisotropic melt | Ian L. Hay, Anthony J. East | 1983-03-01 |
| 4371660 | Anisotropic melt phase forming poly(ester-carbonate) derived from 6-hydroxy-2-napthoic acid, aromatic diol, organic compound capable of forming a carbonate linkage, and, optionally, other aromatic hydroxy-acid and carbocyclic dicarboxylic acid | Anthony J. East | 1983-02-01 |
| 4355132 | Anisotropic melt phase forming poly(ester-amide) derived from p-hydroxybenzoic acid, 2,6-naphthalenedicarboxylic acid, aromatic monomer capable of forming an amide linkage, and, optionally, hydroquinone and additional carbocyclic dicarboxylic acid | Anthony J. East, Larry F. Charbonneau | 1982-10-19 |
| 4355134 | Wholly aromatic polyester capable of forming an anisotropic melt phase at an advantageously reduced temperature | Larry F. Charbonneau | 1982-10-19 |
| 4355133 | Polyester of 6-hydroxy-2-naphthoic acid, 4-hydroxy benzoic acid, 1,4-cyclohexanedicarboxylic acid, and aromatic diol capable of readily undergoing melt processing to form articles possessing high impact properties | Anthony J. East | 1982-10-19 |
| 4351917 | Poly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, aromatic monomer capable of forming an amide linkage, and other aromatic hydroxyacid | Larry F. Charbonneau, Anthony J. East | 1982-09-28 |
| 4351918 | Poly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, other aromatic hydroxyacid, carbocyclic dicarboxylic acid, and aromatic monomer capable of forming an amide linkage | Larry F. Charbonneau, Anthony J. East | 1982-09-28 |
| 4341688 | Poly(ester-amide) capable of forming an anisotropic melt phase derived from dihydroxyanthraquinone, hydroxybenzoic acid, dicarboxylic acid, and aromatic monomer capable of forming an amide linkage | Larry F. Charbonneau, Anthony J. East | 1982-07-27 |
| 4339375 | Poly(ester-amide) capable of forming an anisotropic melt phase derived from p-hydroxybenzoic acid, 2,6-dihydroxynaphthalene, carbocyclic dicarboxylic acid, aromatic monomer capable of forming an amide linkage, and, optionally, additional aromatic diol | Larry F. Charbonneau, Anthony J. East | 1982-07-13 |
| 4337190 | Polyester of 6-hydroxy-2-naphthoic acid and meta-hydroxy benzoic acid capable of readily undergoing melt processing | — | 1982-06-29 |
| 4330457 | Poly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, dicarboxylic acid, and aromatic monomer capable of forming an amide linkage | Anthony J. East, Larry F. Charbonneau | 1982-05-18 |
| 4321182 | Stable non-corrosive solution of polybenzimidazole suitable for use in the formation of shaped articles | Robert E. Davitt, Jr., Edward C. Chenevey | 1982-03-23 |
| 4318842 | Polyester of 6-hydroxy-2-naphthoic acid, aromatic diol, and 1,4-cyclohexanedicarboxylic acid capable of undergoing melt processing | Anthony J. East | 1982-03-09 |
| 4318841 | Polyester of 6-hydroxy-2-naphthoic acid, para-hydroxy benzoic acid, terephthalic acid, and resorcinol capable of readily undergoing melt processing to form shaped articles having increased impact strength | Anthony J. East | 1982-03-09 |
| 4299756 | Polyester of phenyl-4-hydroxybenzoic acid, aromatic diol, and aromatic diacid capable of forming an anisotropic melt | — | 1981-11-10 |
| 4279803 | Polyester of phenyl-4-hydroxybenzoic acid and 4-hydroxybenzoic acid and/or 6-hydroxy-2-naphthoic acid capable of forming an anisotropic melt | — | 1981-07-21 |
| 4256624 | Polyester of 6-hydroxy-2-naphthoic acid, aromatic diol, and aromatic diacid capable of undergoing melt processing | — | 1981-03-17 |
| 4245084 | Thermotropic, wholly aromatic polythiolesters capable of forming an anisotropic melt and a process for preparing the polythiolesters | Eui W. Choe | 1981-01-13 |
| 4224433 | Thermotropic polyesters of 2,6-dihydroxyanthraquinone | Larry F. Charbonneau | 1980-09-23 |
| 4219461 | Polyester of 6-hydroxy-2-naphthoic acid, para-hydroxy benzoic acid, aromatic diol, and aromatic diacid capable of readily undergoing melt processing | — | 1980-08-26 |
| 4184996 | Melt processable thermotropic wholly aromatic polyester | — | 1980-01-22 |