Patent US2867602A successfully refreshed from Google Patents.
US2867602A
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Dye receptive fiber forming acrylonitrile polymer containing 2-alkyleneoxy substituted imidazolines and blends thereof with acrylonitrile polymer
Assignee: Solutia Inc
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Filing: 1954-12-15
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Granted: 1959-01-06
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Expires: 1974-12-15
Abstract
No abstract record available.
Inventors
- 👤 George E Ham
- 👤 Alfred B Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:56
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F220/44; C07; C07D; C07D233/00; C07D233/04; C07D233/20; C07D233/22; C08F16/00; C08F16/12; C08F16/14; C08F16/28; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A FIBER-FORMING COPOLYMER OF FROM 90 TO 98% BY WEIGHT OF ARCYLONITRILE AND FROM 2 TO 10% BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA:
Claim 2
Dependent Claim
26 words
A FIBER-FORMING COPOLYMER OF FROM 90 TO 98% BY WEIGHT OF ARCYLONITRILE AND FROM 2 TO 10% BY WEIGHT OF A COMPOUND HAVING THE GENERAL FORMULA:
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |