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US2963490A
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Epoxyhexahydrophthalates and endoalkylene-epoxyhexahydrophthalates
Assignee: Rohm and Haas Co
•
Filing: 1956-11-23
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Granted: 1960-12-06
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Expires: 1976-11-23
Abstract
No abstract record available.
Inventors
- 👤 Stanley P Rowland
- 👤 Ellington M Beavers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:19
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A NEW COMPOSITION OF MATTER OF THE FORMULA
Claim 2
Dependent Claim
8 words
A NEW COMPOSITION OF MATTER OF THE FORMULA
References Cited (Backward Citations)
US2801253A
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US2311259A
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US2311261A
Cited
US2768148A
Cited
US2813878A
Cited
US2787605A
Cited
FR1135940A
Cited
US2761870A
Cited
US2794030A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-06 | 1964-06-06 | 1964-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-06 | 1968-06-06 | 1968-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-06 | 1972-06-06 | 1972-12-06 | $7700.00 | Window Closed / Lapsed |