US3099638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous glycidyl polyether compositions
Assignee: Westinghouse Electric Corp
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Filing: 1959-12-28
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Granted: 1963-07-30
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Expires: 1979-12-28
Abstract
No abstract record available.
Inventors
- 👤 Newton C Foster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:27
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08F; C08F290/00; C08F290/02; C08F290/06; C08F290/064
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A COMPLETELY REACTIVE RESINOUS COMPOSITION COMPRISING (1) TJE HALF ESTER OD ONE MOL OF A HYDROXYL-CONTAINING GLYCIDYL POLYTHER OF A DIHYDRIC PHENOL AND AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID ANHYDRIDE, SAID UNSATURATED DICARBOXYLIC ACID ANHYDRIDE HAVING BEEN PRESENT ORIGINALLY IN AN AMOUT DUFFICIENT TO PROVIDE APPROXIMATELY A SOTICHIOMETRIC NUMBER OF ANHYDRIDE GROIPS TO REACT WITH THE EXPOY AND HYDROXYL GROUPS IN SAID GLYCIDYL POLYETHER, (2) AT LEAST ONE LIQUID INSATURATED REACTIVE MONOMER HAVING THE POLYMERIZABLE GROUP>C=<, THERE BEING EMPLOYED AT LEAST 2 MOLS OF SAID MONOMER FOR EACH MOL OF SAID ANHYDRIDE, AND (3) A TERTIARY AMINE.
Claim 2
Dependent Claim
96 words
A COMPLETELY REACTIVE RESINOUS COMPOSITION COMPRISING (1) TJE HALF ESTER OD ONE MOL OF A HYDROXYL-CONTAINING GLYCIDYL POLYTHER OF A DIHYDRIC PHENOL AND AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID ANHYDRIDE, SAID UNSATURATED DICARBOXYLIC ACID ANHYDRIDE HAVING BEEN PRESENT ORIGINALLY IN AN AMOUT DUFFICIENT TO PROVIDE APPROXIMATELY A SOTICHIOMETRIC NUMBER OF ANHYDRIDE GROIPS TO REACT WITH THE EXPOY AND HYDROXYL GROUPS IN SAID GLYCIDYL POLYETHER, (2) AT LEAST ONE LIQUID INSATURATED REACTIVE MONOMER HAVING THE POLYMERIZABLE GROUP>C=<, THERE BEING EMPLOYED AT LEAST 2 MOLS OF SAID MONOMER FOR EACH MOL OF SAID ANHYDRIDE, AND (3) A TERTIARY AMINE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |