Patent US3003999A successfully refreshed from Google Patents.
US3003999A
Expired / Lapsed
US
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Stabilized polyvinyl compositions for use in food packaging
Assignee: Argus Chemical Corp
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Filing: 1960-03-15
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Granted: 1961-10-10
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Expires: 1980-03-15
Abstract
No abstract record available.
Inventors
- 👤 Otto S Kauder
- 👤 Norman L Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:12
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A POLYVINYL CHLORIDE RESIN STABILIZER COMPOSITION CAPABLE OF IMPROVING THE RESISTANCE OF THE RESIN TO HEAT DETERIORATION WHEN HEATED AT 375*F. CONSISTING ESSENTIALLY OF THE CALCIUM SALTS OF MIXED FATTY ACIDS DERIVED FROM EDIBLE FATS AND OILS, THE ZINC SALTS OF MIXED FATTY ACIDS DERIVED FROM EDIBLE FATS AND OILS, AND SORBITOL, IN THE PROPORTIONS OF FROM ABOUT 25 TO ABOUT 40 PARTS OF THE CALCIUM SALTS, FROM ABOUT 25 TO ABOUT 40 PARTS OF THE ZINC SALTS, AND FROM ABOUT 20 TO ABOUT 50 PARTS OF SORBITOL.
Claim 2
Dependent Claim
88 words
A POLYVINYL CHLORIDE RESIN STABILIZER COMPOSITION CAPABLE OF IMPROVING THE RESISTANCE OF THE RESIN TO HEAT DETERIORATION WHEN HEATED AT 375*F. CONSISTING ESSENTIALLY OF THE CALCIUM SALTS OF MIXED FATTY ACIDS DERIVED FROM EDIBLE FATS AND OILS, THE ZINC SALTS OF MIXED FATTY ACIDS DERIVED FROM EDIBLE FATS AND OILS, AND SORBITOL, IN THE PROPORTIONS OF FROM ABOUT 25 TO ABOUT 40 PARTS OF THE CALCIUM SALTS, FROM ABOUT 25 TO ABOUT 40 PARTS OF THE ZINC SALTS, AND FROM ABOUT 20 TO ABOUT 50 PARTS OF SORBITOL.
References Cited (Backward Citations)
US2711401A
Cited
US2918451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |