US2878200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized acrylonitrile polymer composition and method of preparing same
Assignee: Solutia Inc
•
Filing: 1956-05-23
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Granted: 1959-03-17
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Expires: 1976-05-23
Abstract
No abstract record available.
Inventors
- 👤 Richard R Holmes
- 👤 Lloyd T Jenkins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:05
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
94 words
A NEW COMPOSITION OF MATTER COMPRISING A POLYMER CONTAINING AT LEAST 80% OF ACRYLONITRILE, A SOLVENT THEREFOR, AND AN INHIBITING AGENT CONTAINING SUBSTANTIALLY EQUAL PROPORTIONS BY WEIGHT OF AN INORGANIC ACID HAVING AN IONIZATION CONSTANT GREATER THAN 1X10-4 AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCOLIC ACID. ETHYLENE DIAMINE TETRAACETIC ACID, THE SODIUM SALT AND THE SODIUM ACID SALTS OF ETHYLENE DIAMINE TETRAACETIC ACID, MIXTURES OF GLYCOLIC ACID AND ETHYLENE DIAMINE TETRAACETIC ACID, AND MIXTURES OF GLYCOLIC ACID AND THE SODIUM SALT AND THE SODIUM ACID SALTS OF ETHYLENE DIAMINE TETRAACETIC ACID.
Claim 2
Dependent Claim
94 words
A NEW COMPOSITION OF MATTER COMPRISING A POLYMER CONTAINING AT LEAST 80% OF ACRYLONITRILE, A SOLVENT THEREFOR, AND AN INHIBITING AGENT CONTAINING SUBSTANTIALLY EQUAL PROPORTIONS BY WEIGHT OF AN INORGANIC ACID HAVING AN IONIZATION CONSTANT GREATER THAN 1X10-4 AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF GLYCOLIC ACID. ETHYLENE DIAMINE TETRAACETIC ACID, THE SODIUM SALT AND THE SODIUM ACID SALTS OF ETHYLENE DIAMINE TETRAACETIC ACID, MIXTURES OF GLYCOLIC ACID AND ETHYLENE DIAMINE TETRAACETIC ACID, AND MIXTURES OF GLYCOLIC ACID AND THE SODIUM SALT AND THE SODIUM ACID SALTS OF ETHYLENE DIAMINE TETRAACETIC ACID.
References Cited (Backward Citations)
US2502030A
Cited
US2648593A
Cited
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 |