Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4673767 | AMS-1B crystalline borosilicate molecular sieve-based catalyst compositions and process for toluene alkylation | Richard E. De Simone | 1987-06-16 |
| 4654456 | AMS-1B crystalline borosilicate molecular sieve-based catalyst compositions and process for xylene isomerization | — | 1987-03-31 |
| 4508605 | Nonaromatic dianhydride and polyimides from tricyclo[4.2.1.0.sup.2,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride | Ellis K. Fields | 1985-04-02 |
| 4507186 | Dianhydrides and polyimides | Ellis K. Fields | 1985-03-26 |
| 4431791 | Fibers from copolyimides and polymidies derived from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and diamines | Ellis K. Fields, Edward E. Paschke | 1984-02-14 |
| 4417045 | Polyimides and polyimide-amides | Ellis K. Fields | 1983-11-22 |
| 4413115 | Copolyimides-polyamides from aliphatic and aromatic anhydrides, dicarboxylic acids, and diamines | Ellis K. Fields | 1983-11-01 |
| 4410658 | Polyimides-amides and copolyimides-polyamides from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride, dicarboxylic acids and a mixture of diamines | Ellis K. Fields | 1983-10-18 |
| 4393222 | Tricyclo[6.4.0.0.sup.2,7 ] dodecane-3,6-diphenyl-1,8,4,5-tetracarboxylic acid dianhydrides | Ellis K. Fields | 1983-07-12 |
| 4391967 | Polyimides-polyamides from tricyclo [4.2.1.0.sup.2,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride and dicarboxylic acids | Ellis K. Fields | 1983-07-05 |
| 4384071 | Fibers and filled molding compositions from copolyimides and polyimides derived from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and diamines | Ellis K. Fields, Edward E. Paschke | 1983-05-17 |
| 4371701 | Adducts of 1-cyclohexene-1,2-dicarboxylic anhydride with olefins | Ellis K. Fields | 1983-02-01 |
| 4366304 | Copolyimides from aliphatic and aromatic anhydrides and diamines | Ellis K. Fields | 1982-12-28 |
| 4362859 | Polyimides from bicyclo[4.2.0]octane-7,8-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride (I) and bicyclo [4.2.0]octane-2,5 diphenyl-7,8-dimethyl-3,4,7,8-tetracarboxylic dianhydride | Ellis K. Fields | 1982-12-07 |
| 4360657 | Tricyclo[6.4.0.0.sup.2,7 ]-dodecane-1,8,2,7-tetracarboxylic acid dianhydride and polyimides therefrom | Ellis K. Fields | 1982-11-23 |
| 4358579 | Polyimides from tetramethylcyclobutane-1,2,3,4,-tetracarboxylic dianhydride and diamines | Ellis K. Fields | 1982-11-09 |
| 4358580 | Polyimides from tricyclo dodecane-3,6-diphenyl-1,8,4,5-tetracarboxylic acid dianhydride and tricyclo dodecane tetracarboxylic acid anhydride | Ellis K. Fields | 1982-11-09 |
| 4358582 | Novel nonaromatic dianhydride and polyimides from tricyclo [4.2.1.0.sup.2,5 ] nonane-3,4 dimethyl-3,4,7,8-tetracarboxylic acid dianhydride | Ellis K. Fields | 1982-11-09 |
| 4358562 | Copolyimides from tetramethylcyclobutane-1,2,3,4-tetracarboxylic dianhydride and a mixture of diamines | Edward E. Paschke, Ellis K. Fields | 1982-11-09 |