US3288759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters containing an organic carboxylic acid polyanhydride, and a tertiary amineas cure accelerator
Assignee: General Electric Co
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Filing: 1963-09-27
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Granted: 1966-11-29
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Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
- 👤 Fred F Holub
- 👤 Matthew J Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:52
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/42; C; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/16; C08G63/20; C08G63/78; C08G63/82; C08G63/87; C08L; C08L67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A COMPOSITION OF THE MATTER COMPRISING (1) A POLYESTER RESIN OBTAINED FROM THE PRODUCT OF REACTION OF A DIALKYL ESTER OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF TEREPHTHALIC ACID AND ISOPHTHALIC ACID, AND MIXTURES OF SAID MEMBERS, ETHYLENE GLYCOL, AND A SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS (2) AN ORGANIC CARBOXYLIC ACID POLYANHYDRIDE, AND (3) A TERTIARY AMINE SELECTED FROM THE CLASS CONSISTING OF QUINOLINE AND AMINES HAVING THE FORMULA R3N WHERE R IS A MONOVALENT HYDROCARBON RADICAL.
Claim 2
Dependent Claim
84 words
A COMPOSITION OF THE MATTER COMPRISING (1) A POLYESTER RESIN OBTAINED FROM THE PRODUCT OF REACTION OF A DIALKYL ESTER OF A MEMBER SELECTED FROM THE CLASS CONSISTING OF TEREPHTHALIC ACID AND ISOPHTHALIC ACID, AND MIXTURES OF SAID MEMBERS, ETHYLENE GLYCOL, AND A SATURATED ALIPHATIC POLYHYDRIC ALCOHOL HAVING AT LEAST THREE HYDROXYL GROUPS (2) AN ORGANIC CARBOXYLIC ACID POLYANHYDRIDE, AND (3) A TERTIARY AMINE SELECTED FROM THE CLASS CONSISTING OF QUINOLINE AND AMINES HAVING THE FORMULA R3N WHERE R IS A MONOVALENT HYDROCARBON RADICAL.
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |