US3565930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organotin mercapto carboxylic acid ester sulfides
Assignee: Argus Chemical Corp
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Filing: 1967-12-19
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Granted: 1971-02-23
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Expires: 1987-12-19
Abstract
Abstract A POLYVINYL CHLORIDE RESIN STABILIZER IS PROVIDED HAVING A HIGH CONCENTRATION OF TIN, IN THE RANGE FROM ABOUT 18 TO ABOUT 35% BY WEIGHT, AND A HIGH CONCENTRATION OF SULFUR, WITHIN THE RANGE FROM ABOUT 10 TO ABOUT 25% SULFUR, COMPRISING AT LEAST ONE ORGANOTIN ALPH-OR BETAMERCAPTO CARBOXYLIC ACID ESTER SULFIDE, AND PREFERABLY MIXED MONOORGANOTIN AND DIORGANOTIN ALPHA- OR BETAMERCAPTO CARBOXYLIC ACID ESTER SULFIDES. POLYVINYL CHLORIDE RESIN COMPOSITIONS ARE ALSO PROVIDED, CONTAINING THESE STABILIZERS.
Inventors
- 👤 Otto S Kauder
- 👤 Mark W Pollock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:42
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06
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) | 1974-02-22 | 1974-08-24 | 1975-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-22 | 1978-08-24 | 1979-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-22 | 1982-08-24 | 1983-02-23 | $7700.00 | Window Closed / Lapsed |