US3692680A
Expired / Lapsed
US
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Stabilization of organic substances
Assignee: HENRYK A CYBA
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Filing: 1970-12-21
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Granted: 1972-09-19
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Expires: 1990-12-21
Abstract
Abstract STABILIZATION OF ORGANIC SUBSTANCE BY INCORPORATING THEREIN A STABILIZING CONCENTRATION OF A CYCLIC BORATE OF POLYMERIC ALKANOLAMINE. ONE EXAMPLE IS THE STABILIZATION OF PLASTICS AND ANOTHER EXAMPLE IS THE STABILIZATION OF HYDROCARBON DISTILLATES.
Inventors
- 👤 Henryk A Cyba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:32
CPC Classifications
C; C07; C07F; C07F5/00; C07F5/02; C07F5/025; C07F5/04; C08; C08G; C08G73/00; C08G73/02; C08G73/0273; C08K; C08K5/00; C08K5/55; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/30; C10L1/301; C10L1/303
Claims Analysis
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-19 | 1976-03-20 | 1976-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-19 | 1980-03-20 | 1980-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-19 | 1984-03-20 | 1984-09-19 | $7700.00 | Window Closed / Lapsed |