Patent US3293277A successfully refreshed from Google Patents.
US3293277A
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Boron-containing polymers and method of preparing the same
Assignee: Sunoco Inc
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Filing: 1964-01-30
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Granted: 1966-12-20
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Robert J Convery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:01
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/027; C08; C08G; C08G79/00; C08G79/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
METHOD OF PREPARING A BORON-CONTAINING POLYMERIC PRODUCT WHICH COMPRISES CONTACTING THE TRANS-TRANS-CIS ISOMER OF CYCLODODECATRIENE-1,5,9 WITH DIBORANE IN THE PRESENCE OF A MINOR AMOUNT OF A FREE OXYGEN CONTAINING GAS AND AN OXYGEN CONTAINING NON-NITROGENAOUS LEWIS BASE AS THE SOLE LEWIS BASE AND SEPARATING A POLYMERIC PRODUCT FROM THE REACTION MIXTURE.
Claim 2
Dependent Claim
51 words
METHOD OF PREPARING A BORON-CONTAINING POLYMERIC PRODUCT WHICH COMPRISES CONTACTING THE TRANS-TRANS-CIS ISOMER OF CYCLODODECATRIENE-1,5,9 WITH DIBORANE IN THE PRESENCE OF A MINOR AMOUNT OF A FREE OXYGEN CONTAINING GAS AND AN OXYGEN CONTAINING NON-NITROGENAOUS LEWIS BASE AS THE SOLE LEWIS BASE AND SEPARATING A POLYMERIC PRODUCT FROM THE REACTION MIXTURE.
References Cited (Backward Citations)
CA586412A
Cited
US3103537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |