Patent US3314910A successfully refreshed from Google Patents.
US3314910A
Expired / Lapsed
US
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Copolymers of cyclobutene-1, 2-dicyanide and a conjugated diolefin
Assignee: Standard Oil Co
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Filing: 1964-04-16
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Granted: 1967-04-18
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Expires: 1984-04-16
Abstract
No abstract record available.
Inventors
- 👤 Dorothy C Prem
- 👤 June T Duke
- 👤 Janice L Greene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:27
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/30; C08F236/00; C08F236/02; C08F236/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
THE POLYMER DERIVED FROM THE POLYMERIZATION OF A MIXTURE OF (1) FROM ABOUT 10 TO 70% BY WEIGHT OF CYCLOBUTENE1,2-DICYANIDE, (2) FROM ABOUT 30 TO 90% BY WEIGHT OF AT LEAST ONE CONJUGATED DIOLEFIN, AND (3) FROM ABOUT 0 TO 60% BY WEIGHT OF AT LEAST ONE OTHER VINYL MONOMER WHICH IS COPOLYMERIZABLE WITH (1) AND (2).
Claim 2
Dependent Claim
57 words
THE POLYMER DERIVED FROM THE POLYMERIZATION OF A MIXTURE OF (1) FROM ABOUT 10 TO 70% BY WEIGHT OF CYCLOBUTENE1,2-DICYANIDE, (2) FROM ABOUT 30 TO 90% BY WEIGHT OF AT LEAST ONE CONJUGATED DIOLEFIN, AND (3) FROM ABOUT 0 TO 60% BY WEIGHT OF AT LEAST ONE OTHER VINYL MONOMER WHICH IS COPOLYMERIZABLE WITH (1) AND (2).
References Cited (Backward Citations)
US3275676A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-17 | 1970-10-17 | 1971-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-17 | 1974-10-17 | 1975-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-17 | 1978-10-17 | 1979-04-18 | $7700.00 | Window Closed / Lapsed |