US2744086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeable acrylonitrile fiber forming compositions
Assignee: Solutia Inc
•
Filing: 1949-11-26
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Granted: 1956-05-01
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Expires: 1969-11-26
Abstract
No abstract record available.
Inventors
- 👤 David T Mowry
- 👤 Alfred B Craig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:42
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G63/6856; B; B23; B23K; B23K35/00; B23K35/22; B23K35/36; B23K35/365; C08L; C08L33/00; C08L33/18; C08L33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A DYEABLE FIBER-FORMING COMPOSITION COMPRISING A BLEND OF 70 TO 98 PERCENT BY WEIGHT OF (A) A POLYMER OF AT LEAST 75 PERCENT BY WEIGHT OF ACRYLONITRILE AND NOT MORE THAN 25 PERCENT OF ANOTHER POLYMERIZABLE MONOOLEFINIC MONOMER COPOLYMERIZABLE THEREWITH, AND FROM 2 TO 30 PERCENT OF (B) A HIGH MOLECULAR WEIGHT LINEAR POLYESTER FORMED BY THE REACTION OF EQUIMOLECULAR PROPORTIONS OF A GLYCOL AND A MEMBER OF THE GROUP CONSISTING OF DICARBOXYLIC ACIDS AND MIXTURES OF DICARBOXYLIC ACIDS WITH MONO-HYDROXYMONOCARBOXYLIC ACIDS, AT LEAST ONE OF SAID REACTANTS CONTAINING A RADICAL OF TH GROUP CONSISTING OF TERTIARY AMINO GROUPS HAVING RADICALS ATTACHED THERETO OF THE GROUP CONSISTING OF ALKYL, ARALKYL, AND CYCLOALKYL, AND QUATERNARY AMMONIUM GROUPS.
Claim 2
Dependent Claim
116 words
A DYEABLE FIBER-FORMING COMPOSITION COMPRISING A BLEND OF 70 TO 98 PERCENT BY WEIGHT OF (A) A POLYMER OF AT LEAST 75 PERCENT BY WEIGHT OF ACRYLONITRILE AND NOT MORE THAN 25 PERCENT OF ANOTHER POLYMERIZABLE MONOOLEFINIC MONOMER COPOLYMERIZABLE THEREWITH, AND FROM 2 TO 30 PERCENT OF (B) A HIGH MOLECULAR WEIGHT LINEAR POLYESTER FORMED BY THE REACTION OF EQUIMOLECULAR PROPORTIONS OF A GLYCOL AND A MEMBER OF THE GROUP CONSISTING OF DICARBOXYLIC ACIDS AND MIXTURES OF DICARBOXYLIC ACIDS WITH MONO-HYDROXYMONOCARBOXYLIC ACIDS, AT LEAST ONE OF SAID REACTANTS CONTAINING A RADICAL OF TH GROUP CONSISTING OF TERTIARY AMINO GROUPS HAVING RADICALS ATTACHED THERETO OF THE GROUP CONSISTING OF ALKYL, ARALKYL, AND CYCLOALKYL, AND QUATERNARY AMMONIUM GROUPS.
References Cited (Backward Citations)
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Cited
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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) | 1959-05-01 | 1959-10-31 | 1960-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-01 | 1963-10-31 | 1964-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-01 | 1967-10-31 | 1968-05-01 | $7700.00 | Window Closed / Lapsed |