Patent US3647748A successfully refreshed from Google Patents.
US3647748A
Expired / Lapsed
US
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Stabilized vinyl halide resin compositions
Assignee: Tenneco Chemicals Inc
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Filing: 1969-02-19
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Granted: 1972-03-07
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Expires: 1989-02-19
Abstract
Abstract VINYL HALIDE RESIN COMPOSITIONS THAT CONTAIN A STABILIZER SYSTEM COMPRISING AN ORGANOTIN CARBOXYLATE, AN ORGANIC DISULFIDE OR POLYSULFIDE, AND, OPTIONALLY, A SMALL AMOUNT OF THIODIPROPIONPIC ACID, AND THIODIPROPIONATE ESTER, AND/OR AN ORGANIC PHOSPHITE HAVE EXCELLENT PROCESSING CHARACTERISTICS, EXCELLENT HEAT AND LIGHT STABILITY, AND OTHER VALUBLE PROPERTIES.
Inventors
- 👤 John W Brook
- 👤 Samuel Hoch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:54
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/37; C08K5/372; C08K5/56; C08K5/57
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) | 1975-03-07 | 1975-09-06 | 1976-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-03-07 | 1979-09-06 | 1980-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-03-07 | 1983-09-06 | 1984-03-07 | $7700.00 | Window Closed / Lapsed |