Patent US2710847A successfully refreshed from Google Patents.
US2710847A
Expired / Lapsed
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Acrylonitrile polymers dissolved in dimethyl methanephosphonate
Assignee: Solutia Inc
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Filing: 1953-10-07
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Granted: 1955-06-14
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Expires: 1973-10-07
Abstract
No abstract record available.
Inventors
- 👤 George E Ham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:34
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J3/098; C08L; C08L33/00; C08L33/18; C08L33/20; C08J2333/00; C08J2333/18; C08J2333/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A NEW COMPOSITION OF MATTER COMPRISING A GENEOUS MISCIBLE MIXTURE OF FROM 65 TO 95 PERCENT BY WEIGHT OF DIMETHYL METHANEPHOSPHONATE AND FROM FIVE OF ACRYLONITRILE AND UP TO ABOUT 30 PERCENT OF ANOTHER TO 35 PERCENT OF A POLYMER OF AT LEAST ABOUT 70 PERCENT COPOLYMERIZABLE MONOMER.
Claim 2
Dependent Claim
48 words
A NEW COMPOSITION OF MATTER COMPRISING A GENEOUS MISCIBLE MIXTURE OF FROM 65 TO 95 PERCENT BY WEIGHT OF DIMETHYL METHANEPHOSPHONATE AND FROM FIVE OF ACRYLONITRILE AND UP TO ABOUT 30 PERCENT OF ANOTHER TO 35 PERCENT OF A POLYMER OF AT LEAST ABOUT 70 PERCENT COPOLYMERIZABLE MONOMER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-13 | 1958-12-13 | 1959-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-13 | 1962-12-13 | 1963-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-13 | 1966-12-13 | 1967-06-14 | $7700.00 | Window Closed / Lapsed |