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| Number | Title | Issue Date |
| 5319060 | Preparation of unsaturated epoxy ester resin and carboxylated unsaturated epoxy ester resin and photosensitive composition comprising the same A method of preparing an unsaturated ester resin having improved storage stability is disclosed. An epoxy compound and polymerizable unsaturated monocarboxylic acid are reacted in the presence of a trivalent organic phosphorous catalyst. The catalyst is s... | 06/07/1994 |
| 5281678 | Preparation of unsaturated epoxy ester resin and carboxylated unsaturated epoxy ester resin and photosensitive composition comprising the same A method of preparing an unsaturated ester resin having improved storage stability is disclosed. An epoxy compound and polymerizable unsaturated monocarboxylic acid are reacted in the presence of a trivalent organic phosphorous catalyst. The catalyst is s... | 01/25/1994 |
