Patent US3598855A successfully refreshed from Google Patents.
US3598855A
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US
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Cyclic borates
Assignee: Universal Oil Products Co
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Filing: 1968-12-02
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Granted: 1971-08-10
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Expires: 1988-12-02
Abstract
Abstract CYCLIC BORATE OF POLYMERIC ALKANOLAMINE FORMED BY REACTING A BORYLATING AGENT WITH A POLYMERIC ALKANOLAMINE. THE CYCLIC BORATE IS USED AS AN ADDITIVE IN ORGANIC SUBSTANCES TO INHIBIT DETERIORATION DUE TO OXIDATION, WEATHERING, HEAT OR OTHER UNDESIRED REACTIONS.
Inventors
- 👤 Henryk A Cyba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/55; C07; C07F; C07F5/00; C07F5/02; C07F5/025; C07F5/04; C08G; C08G73/00; C08G73/02; C08G73/0273; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |