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US3745145A
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Stabilized melt-processable ethylene/chlorotrifluoroethylene copolymer compositions
Assignee: Solvay Solexis Inc
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Filing: 1971-03-16
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Granted: 1973-07-10
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Expires: 1991-03-16
Abstract
Abstract ABOUT EQUIMOLAR ETHYLENE/CHLOROTRIFLUOROETHYLENE COPOLYMER COMPOSITIONS ARE STABILIZED AGAINST THERMAL DEGRADIATION SO AS TO RENDER THEM MELT-PROCESSABLE BY INCORPORATING THEREIN A STABILIZING SYSTEM COMPRISING (A) A PHOSPHITE OF AN ORGANIC POLYHYDRIC PHENOL; (B) A SALT OF A CARBOXYLIC ACID AND A METAL OF GROUP II OF THE PERIODIC TABLE; (C) A THIO DIPROPIONIC ACID ESTER OR ALKALI METAL SALT.
Inventors
- 👤 G Khattab
- 👤 A Stoloff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:25
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5398; C08K5/0091; C08K5/04; C08K5/09; C08K5/098; C08K5/36; C08K5/38; C09; C09D; C09D127/00; C09D127/02; C09D127/12
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) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |