US3149092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic polymeric materials stabilized with substituted hydrazones
Assignee: Wyeth Holdings LLC
•
Filing: 1960-09-19
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Granted: 1964-09-15
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Expires: 1980-09-19
Abstract
No abstract record available.
Inventors
- 👤 John L Rodgers
- 👤 Jerry P Millionis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC ORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF A VINYL CHLORIDE POLYMER, A CELLULOSIC, A POLYSTYRENE, A POLYAMIDE AND A POLYESTER CONTAINING FROM ABOUT 0.01% TO 10% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID COMPOSITIONS OF A COMPOUND HAVING THE FORMULA:
Claim 2
Dependent Claim
50 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC ORGANIC MATERIAL SELECTED FROM THE GROUP CONSISTING OF A VINYL CHLORIDE POLYMER, A CELLULOSIC, A POLYSTYRENE, A POLYAMIDE AND A POLYESTER CONTAINING FROM ABOUT 0.01% TO 10% BY WEIGHT BASED ON THE TOTAL WEIGHT OF SAID COMPOSITIONS OF A COMPOUND HAVING THE FORMULA:
References Cited (Backward Citations)
US2353690A
Cited
US2551786A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |