Patent US3352820A successfully refreshed from Google Patents.
US3352820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abs polymers stabilized with a metal sulfide and one or more phenolic, amine or phosphite antioxidants
Assignee: Uniroyal Inc
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Filing: 1962-10-31
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Granted: 1967-11-14
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Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Carl V Bawn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:42
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A GUM PLASTIC COMPOSITION STABILIZED AGAINST DISCOLORATION AND THERMAL DEGRADATION, THIS COMPOSITION COMPRISING AN ACRYLONITRILE-BUTADIENE-STYRENE POLYMERIC MATERIAL, EFFECTIVE AMOUNTS OF A PHENOLIC ANTIOXIDANT AND AN ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF ORGANIC PHOSPHITES AND ORANIC AMINES, ANDA STABILIZING AMOUNT OF A SULFIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CALCIUM, BARIUM, BERYLLIUM, MAGNESIUM, STRONTIUM AND CADMIUM.
Claim 2
Dependent Claim
60 words
A GUM PLASTIC COMPOSITION STABILIZED AGAINST DISCOLORATION AND THERMAL DEGRADATION, THIS COMPOSITION COMPRISING AN ACRYLONITRILE-BUTADIENE-STYRENE POLYMERIC MATERIAL, EFFECTIVE AMOUNTS OF A PHENOLIC ANTIOXIDANT AND AN ANTIOXIDANT SELECTED FROM THE GROUP CONSISTING OF ORGANIC PHOSPHITES AND ORANIC AMINES, ANDA STABILIZING AMOUNT OF A SULFIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ZINC, CALCIUM, BARIUM, BERYLLIUM, MAGNESIUM, STRONTIUM AND CADMIUM.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |