Patent US2878231A successfully refreshed from Google Patents.
US2878231A
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Acrylonitrile polymer composition stabilized with metal formaldehyde sulfoxylate, phosphorus pentroxide, and sulfuric acid and method of making same
Assignee: Solutia Inc
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Filing: 1957-01-09
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Granted: 1959-03-17
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Expires: 1977-01-09
Abstract
No abstract record available.
Inventors
- 👤 Charles H Campbell
- 👤 Lloyd T Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5398; C08K13/00; C08K13/02; C08K3/00; C08K3/18; C08K3/24; C08K3/30; C08K3/32; C08K5/0008; C08K5/01; C08K5/04; C08K5/07; C08K5/09; C08K5/10; C08K5/101; C08K5/13; C08K5/15; C08K5/151; C08K5/1535; C08K5/16; C08K5/17; C08K5/175; C08K5/34; C08K5/3412; C08K5/3415; C08K5/3432; C08K5/3435; C08K5/3442; C08K5/3462; C08K5/35; C08K5/36; C08K5/41; C08K5/42; C08K5/51; C08K5/52; C08K5/521; C08K5/523; C08K5/524; C08K5/53; C08K5/5317; C08K5/5393; C08K5/5397; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A NEW COMPOSITION OF MATTER COMPRISING A POLYMER CONTAINING AT LEAST 80 PERCENT OF POLYMERIZED ACRYLONITRILE AND UP TO 20 PERCENT OF ANOTHER POLYMERIZABLE MONO-OLEFINIC MONOMER COPOLYMERIZABLE THEREWITH, A SOLVENT THEREFOR, AND AN INHIBITING AGENT CONTAINING SUBSTANTIALLY EQUAL PROPORTIONS BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA
Claim 2
Dependent Claim
48 words
A NEW COMPOSITION OF MATTER COMPRISING A POLYMER CONTAINING AT LEAST 80 PERCENT OF POLYMERIZED ACRYLONITRILE AND UP TO 20 PERCENT OF ANOTHER POLYMERIZABLE MONO-OLEFINIC MONOMER COPOLYMERIZABLE THEREWITH, A SOLVENT THEREFOR, AND AN INHIBITING AGENT CONTAINING SUBSTANTIALLY EQUAL PROPORTIONS BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA
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) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |