US2632750A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solutions of acrylonitrile polymers containing an alkali or alkaline earth metal salt
Assignee: Solutia Inc
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Filing: 1950-09-07
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Granted: 1953-03-24
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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
2026-10-25 05:08
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; 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
80 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 A SUBSTANCE SELECTED FROM ALKALI AND ALKALINE EARTH METAL SALTS SELECTED FROM THE GROUP CONSISTING OF CALCIUM CHLORIDE, LITHIUM BROMIDE, SODIUM THIOCYANATE, AND MAGNESIUM BROMIDE.
Claim 2
Dependent Claim
80 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 A SUBSTANCE SELECTED FROM ALKALI AND ALKALINE EARTH METAL SALTS SELECTED FROM THE GROUP CONSISTING OF CALCIUM CHLORIDE, LITHIUM BROMIDE, SODIUM THIOCYANATE, AND MAGNESIUM BROMIDE.
References Cited (Backward Citations)
US2451420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |