US3706701A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of polymers
Assignee: Individual
•
Filing: 1971-06-15
•
Granted: 1972-12-19
•
Expires: 1991-06-15
Abstract
Abstract STABILIZATION OF ORGANIC PLASTIC SUBSTRATES VERSUS THE DEGRADING EFFECTS OF ULTRAVIOLET LIGHT IS EFFECTED BY INCORPORATING THEREIN STABILIZING AMOUNTS OF A P-METHOXYBENZYLIDENEMALONIC ACID DIESTER REPRESENTED BY FORMULA: 1-(CH3-O-),4-(R-OOC-C(-COO-R)=CH-)BENZENE WHERE R IS A METHYL OR ETHYL RADICAL.
Inventors
- 👤 Peter Vincent Susi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/11
Claims Analysis
Total Claims: 0
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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) | 1975-12-19 | 1976-06-19 | 1976-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-19 | 1980-06-19 | 1980-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-19 | 1984-06-19 | 1984-12-19 | $7700.00 | Window Closed / Lapsed |