US3640947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-toxic stabilized polyvinyl chloride products and stabilizer compositions
Assignee: M&T Chemicals Inc
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Filing: 1970-06-25
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Granted: 1972-02-08
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Expires: 1990-06-25
Abstract
Abstract THE PRESENT INVENTION PROVIDES A NOVEL NON-TOXIC ORGANOTIN STABILIZER COMPOSITION CONTAINING ABOUT 9K PERCENT OF DI(N - OCTYL)-SN, S,S'' - BIS(ISOOCTYLMERCAPTOACETATE). THE STABILIZER COMPOSITION ALSO CONTAINS SPECIFIED AMOUNTS OF OTHER ORGANIC TIN COMPOUNDS. THE INVENTION ALSO PROVIDES NON-TOXIC POLYVINYL CHLORIDE CONTAINING RESINS SUITABLE FOR FOOD PACKAGING USE.
Inventors
- 👤 Carl Robert Gloskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:56
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C08K5/58
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) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |