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US2935488A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Epoxide compositions and resins therefrom
Assignee: Union Carbide Corp
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Filing: 1957-01-22
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Granted: 1960-05-03
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Expires: 1977-01-22
Abstract
No abstract record available.
Inventors
- 👤 Phillips Benjamin
- 👤 Paul S Starcher
- 👤 Jr Charles W Mcgary
- 👤 Jr Charles T Patrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:18
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/226
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
AN EPOXIDE COMPOSITION COMPRISING A POLYGLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL AND BIS (2,3-EPOXYCYCLOPENTYL) ETHER IN THE PROPORTIONS OF 0.01 TO 10.0 MOLAR PARTS OF BIS (2,3-EPOXYCYCLOPENTYL) ETHER TO 100 PARTS BY WEIGHT OF POLYGLYCIDYL POLYETHER.
Claim 2
Dependent Claim
36 words
AN EPOXIDE COMPOSITION COMPRISING A POLYGLYCIDYL POLYETHER OF A POLYHYDRIC PHENOL AND BIS (2,3-EPOXYCYCLOPENTYL) ETHER IN THE PROPORTIONS OF 0.01 TO 10.0 MOLAR PARTS OF BIS (2,3-EPOXYCYCLOPENTYL) ETHER TO 100 PARTS BY WEIGHT OF POLYGLYCIDYL POLYETHER.
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |