US2935491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synergistic stabilizer composition containing a benzoate, a phenolate, and triphenyl phosphite
Assignee: Primerica Inc
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Filing: 1956-12-13
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Granted: 1960-05-03
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Expires: 1976-12-13
Abstract
No abstract record available.
Inventors
- 👤 Gerry P Mack
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/524; C08K5/04; C08K5/09; C08K5/098; C08K5/13; C08K5/138; C08K5/526
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A HEAT AND LIGHT STABILIZED RESIN COMPOSITION COMPRISING AT LEAST ONE VINYL RESIN SELECTED FROM THE CLASS CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE, COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, AND COPOLYMERS OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, AND BETWEEN 0.25 AND 10 PARTS PER 100 PARTS OF THE RESIN OF A STABILIZER COMPOSITION COMPRISING BETWEEN 20% TO 80% OF AT LEAST ONE SALT SELECTED FROM THE CLASS CONSISTING OF CADMIUM DI(P-TERT-BUTYL BENZOATE) AND CADMIUM DEBENZOATE, AND BETWEEN 80% TO 20% OF AT LEAST ONE PHENOLATE SELECTED FROM THE CLASS CONSISTING OF BARIUM DI(OCTYLPHENOLATE), BARIUM DI(NONYL PHENOLATE), BARIUM DI(NON YL-O-CRESOLATE), STRONTIUM DI(OCTYL PHENOLATE), STRONTIUM DI(NON-PHENOLATE), STRONTIUM DI(NONYL-O-CRESOLATE), AND BETWEEN 0.5% AND 50% TRIPHENYL PHOSPHITE.
Claim 2
Dependent Claim
114 words
A HEAT AND LIGHT STABILIZED RESIN COMPOSITION COMPRISING AT LEAST ONE VINYL RESIN SELECTED FROM THE CLASS CONSISTING OF HOMOPOLYMERS OF VINYL CHLORIDE, COPOLYMERS OF VINYL CHLORIDE AND VINYL ACETATE, AND COPOLYMERS OF VINYL CHLORIDE AND VINYLIDENE CHLORIDE, AND BETWEEN 0.25 AND 10 PARTS PER 100 PARTS OF THE RESIN OF A STABILIZER COMPOSITION COMPRISING BETWEEN 20% TO 80% OF AT LEAST ONE SALT SELECTED FROM THE CLASS CONSISTING OF CADMIUM DI(P-TERT-BUTYL BENZOATE) AND CADMIUM DEBENZOATE, AND BETWEEN 80% TO 20% OF AT LEAST ONE PHENOLATE SELECTED FROM THE CLASS CONSISTING OF BARIUM DI(OCTYLPHENOLATE), BARIUM DI(NONYL PHENOLATE), BARIUM DI(NON YL-O-CRESOLATE), STRONTIUM DI(OCTYL PHENOLATE), STRONTIUM DI(NON-PHENOLATE), STRONTIUM DI(NONYL-O-CRESOLATE), AND BETWEEN 0.5% AND 50% TRIPHENYL PHOSPHITE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |