US2671066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions of acrylonitrile polymers containing an inorganic acid salt of an organic amine
Assignee: Solutia Inc
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Filing: 1950-09-07
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Granted: 1954-03-02
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Expires: 1970-09-07
Abstract
No abstract record available.
Inventors
- 👤 John L Justice
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:27
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08K; C08K5/00; C08K5/16; C08L; C08L33/00; C08L33/18; C08L33/20; D; D01; D01F; D01F1/00; D01F1/02; D01F1/10; D01F6/00; D01F6/02; D01F6/18; C08J2333/00; C08J2333/18; C08J2333/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A NEW COMPOSITION OF MATTER ADAPTED TO BE FORMED INTO SHAPED ARTICLES, COMPRISING AT LEAST 5 PERCENT OF AN ACRYLONITRILE POLYMER CONTAINING BY WEIGHT IN THE POLYMER MOLECULE, AT LEAST 80 PERCENT OF ACRYLONITRILE, AN ORGANIC SOLVENT FOR THE POLYMER, AND FROM 0.1 TO 5.0 PERCENT BASED ON THE WEIGHT OF THE ORGANIC SOLVENT OF AN INORGANIC ACID SALT OF AN ORGANIC AMINE SELECTED FROM THE GROUP CONSISTING OF HYDROXYLAMINE HYDROCHLORIDE, DIMETHYLAMINE HYDROCHLORIDE, PHENYLHYDRAZINE HYDROCHLORIDE, AND ANILINE SULFATE.
Claim 2
Dependent Claim
78 words
A NEW COMPOSITION OF MATTER ADAPTED TO BE FORMED INTO SHAPED ARTICLES, COMPRISING AT LEAST 5 PERCENT OF AN ACRYLONITRILE POLYMER CONTAINING BY WEIGHT IN THE POLYMER MOLECULE, AT LEAST 80 PERCENT OF ACRYLONITRILE, AN ORGANIC SOLVENT FOR THE POLYMER, AND FROM 0.1 TO 5.0 PERCENT BASED ON THE WEIGHT OF THE ORGANIC SOLVENT OF AN INORGANIC ACID SALT OF AN ORGANIC AMINE SELECTED FROM THE GROUP CONSISTING OF HYDROXYLAMINE HYDROCHLORIDE, DIMETHYLAMINE HYDROCHLORIDE, PHENYLHYDRAZINE HYDROCHLORIDE, AND ANILINE SULFATE.
References Cited (Backward Citations)
US2502030A
Cited
US2497526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |