Issued Patents 1994
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374769 | Polycyanates containing mesogenic moieties as lateral substituents | Robert E. Hefner, Jr. | 1994-12-20 |
| 5364912 | Thermoplastic resins from polyglycidyl esters containing mesogenic moieties | Robert E. Hefner, Jr. | 1994-11-15 |
| 5360884 | Mesogenic glycidyl amine blends | Robert E. Hefner, Jr. | 1994-11-01 |
| 5344898 | Oriented compositions derived from nitro group terminated mesogenic epoxy resin adducts | Robert E. Hefner, Jr. | 1994-09-06 |
| 5342904 | Polymer modified adducts of epoxy resins and active hydrogen containing compounds containing mesogenic moieties | Robert E. Hefner, Jr. | 1994-08-30 |
| 5338828 | Mesogenic cyclic imino ether-containing compositions and polymerization products thereof | Robert E. Hefner, Jr. | 1994-08-16 |
| 5300594 | Bis(aminophenoxy)-alpha-substituted stilbenes, curable mixtures with epoxy resins and cured products | V. Rao Durvasula, Robert E. Hefner, Jr. | 1994-04-05 |
| 5298575 | Nitro group terminated mesogenic epoxy resin adducts | Robert E. Hefner, Jr. | 1994-03-29 |
| 5296570 | Curable mixtures of mesogenic epoxy resins and mesogenic polyamines and cured compositions | Robert E. Hefner, Jr., Paul M. Puckett | 1994-03-22 |
| 5292831 | Mesogenic epoxy compounds | Robert E. Hefner, Jr., Paul M. Puckett | 1994-03-08 |
| 5290887 | Epoxy resins containing thiadiazole and/or oxadiazole moieties | Robert E. Hefner, Jr., Joseph A. Schomaker | 1994-03-01 |
| 5281675 | Mesogenic cyclic imino ether-containing compositions and polymerization products thereof | Robert E. Hefner, Jr. | 1994-01-25 |
| 5276184 | Sulfonamide compounds containing mesogenic moieties | Robert E. Hefner, Jr. | 1994-01-04 |