Patent US2965602A successfully refreshed from Google Patents.
US2965602A
Expired / Lapsed
US
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Carboxy-copolymer epoxide compositions and their preparation
Assignee: Celanese Coatings Co
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Filing: 1957-11-04
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Granted: 1960-12-20
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Expires: 1977-11-04
Abstract
No abstract record available.
Inventors
- 👤 Darrell D Hicks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:14
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/42; C08G59/4246; C08G59/4269
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A THERMOSETTING RESINOUS COMPOSITION COMPRISING IN ADMIXTURE (1) A GLYCIDYL POLYETHER OF A POLYHYDRIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND PHENOLS HAVING AT LEAST TWO PHENOLIC HYDROXYL GROUPS? (2) A BUTENEDIOIC ACID ESTER OF A POLYETHYLENE GLYCOL HAVING THE FORMULA
Claim 2
Dependent Claim
44 words
A THERMOSETTING RESINOUS COMPOSITION COMPRISING IN ADMIXTURE (1) A GLYCIDYL POLYETHER OF A POLYHYDRIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC ALCOHOLS AND PHENOLS HAVING AT LEAST TWO PHENOLIC HYDROXYL GROUPS? (2) A BUTENEDIOIC ACID ESTER OF A POLYETHYLENE GLYCOL HAVING THE FORMULA
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) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |