Patent US3645944A successfully refreshed from Google Patents.
US3645944A
Expired / Lapsed
US
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Metallic salts of mixed acids as stabilizers for rigid vinyl resin compositions
Assignee: Associated Lead Inc
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Filing: 1970-10-06
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Granted: 1972-02-29
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Expires: 1990-10-06
Abstract
Abstract LEAD SALTS OF MIXED SATURATED MONOCARBOXYLIC ALIPHATIC ACIDS CONTAINING FROM 8 TO 14 CARBON ATOMS, LEAD SALTS COFORMED WITH ALKALINE EARTH SLATS OF SAID MIXED ACIDS, AND PROCESS THEREFOR, AS STABILIZERS FOR RIGID VINYL HALIDE RESIN COMPOSITIONS.
Inventors
- 👤 Edward L White
- 👤 William D Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:21
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/09; C08K5/098
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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |