Issued Patents All Time
Showing 26–40 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4522974 | Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety-4-benzoyl moiety, 1,4-dioxyphenylene moiety, isophthaloyl moiety and terephthaloyl moiety | Gordon Calundann, Brian Benicewicz | 1985-06-11 |
| 4473682 | Melt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety, 4-oxybenzoyl moiety, 4,4'-dioxybiphenyl moiety, and terephthaloyl moiety | Gordon Calundann, Brian Benicewicz | 1984-09-25 |
| 4429100 | Polyester of 6-hydroxy-2-naphthoic acid, para-hydroxybenzoic acid, 2,6-dioxyanthraquinone, and aromatic diacid | Gordon Calundann | 1984-01-31 |
| 4429105 | Process for preparing a polyester of hydroxy naphthoic acid and hydroxy benzoic acid | — | 1984-01-31 |
| 4395536 | Preparation of aromatic copolyesters via in situ esterification with isopropenyl esters of an alkyl acid | — | 1983-07-26 |
| 4395307 | Thermotropic liquid crystal polymer pulp and method of preparation thereof wherein said polymer comprises recurring units which contain a 2,6-dioxyanthraquinone moiety | John R. Kastelic, Thomas P. Carter | 1983-07-26 |
| 4355134 | Wholly aromatic polyester capable of forming an anisotropic melt phase at an advantageously reduced temperature | Gordon Calundann | 1982-10-19 |
| 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, Gordon Calundann | 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 | Gordon Calundann, 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 | Anthony J. East, Gordon Calundann | 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 | Gordon Calundann, 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 | Gordon Calundann, Anthony J. East | 1982-07-13 |
| 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, Gordon Calundann | 1982-05-18 |
| 4230817 | Thermotropic polyesters derived from ferulic acid and a process for preparing the polyesters | — | 1980-10-28 |
| 4224433 | Thermotropic polyesters of 2,6-dihydroxyanthraquinone | Gordon Calundann | 1980-09-23 |