US3088932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acrylonitrile polymer composition and stabilized with zinc oxalate, zinc acetate, or chromium acetate
Assignee: Monsanto Chemicals Ltd
•
Filing: 1960-12-02
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Granted: 1963-05-07
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Expires: 1980-12-02
Abstract
No abstract record available.
Inventors
- 👤 Terry W Tarkington
- 👤 Carlton D Whitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:27
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/31; C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A NEW COMPOSITION OF MATTER COMPRISING A POLYMER CONTAINING IN POLYMERIZED FORM AT LEAST 80 PERCENT OF ACRYLONITRILE AND UP TO 20 PERCENT OF AT LEAST ONE COPOLYMERIZED MONO-OLEFINIC MONOMER AND, AS A LIGHT STABILIZING AGENT FROM 0.025 TO 2.0 PERCENT, BASED ON THE WEIGHT OF THE POLYMER, OF A COMPOUND TAKEN FROM THE GROUP CONSISTING OF ZINC ACETATE, ZINC OXALATE AND CHROMIUM ACETATE.
Claim 2
Dependent Claim
64 words
A NEW COMPOSITION OF MATTER COMPRISING A POLYMER CONTAINING IN POLYMERIZED FORM AT LEAST 80 PERCENT OF ACRYLONITRILE AND UP TO 20 PERCENT OF AT LEAST ONE COPOLYMERIZED MONO-OLEFINIC MONOMER AND, AS A LIGHT STABILIZING AGENT FROM 0.025 TO 2.0 PERCENT, BASED ON THE WEIGHT OF THE POLYMER, OF A COMPOUND TAKEN FROM THE GROUP CONSISTING OF ZINC ACETATE, ZINC OXALATE AND CHROMIUM ACETATE.
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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) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |