US2864803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alpha-beta unsaturated dicarboxylic acid-vinyl alkyl ether copolymers stabilized with a water soluble thioamide
Assignee: Goodrich Corp
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Filing: 1954-11-30
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Granted: 1958-12-16
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Expires: 1974-11-30
Abstract
No abstract record available.
Inventors
- 👤 John F Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/39
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A COMPOSITION COMPRISING A MEMBER SELECTED FROM THE CLASS CONSISTING OF (A) INTERPOLYMERS OF SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF (1) ALPHA-BETA UNSATURATED DICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF AND (2) VINYL ALKYL ETHERS IN WHICH THE ALKYL GROUP HAS FROM 1 TO 10 CARBON ATOMS AND (B) INTERPOLYMERS OF SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF (1) AND (2) AND FROM 0.1 TO ABOUT 10% BY WEIGHT OF THE COMBINED WEIGHT OF SAID (1) AND (2) OF AN INGREDIENT HAVING A PLURALITY OF CH2=C<GROUPS WHICH INGREDIENT IS COPOLYMERIZABLE WITH (1) AND (2) TO FORM CROSS-LINKED INTERPOLYMES, PARTIAL AMIDES, PARTIAL ESTERS OF MONOHYDRIC ALCOHOLS AND PARTIAL ALKALI METAL SALTS OF (A) AND (B), AND A STABILIZING INGREDIENT FROM ABOUT 6% TO ABOUT 120% BY WEIGHT BASED ON SAID INTERPOLYMERS OF A WATER-SOLUBLE THIOAMIDE.
Claim 2
Dependent Claim
127 words
A COMPOSITION COMPRISING A MEMBER SELECTED FROM THE CLASS CONSISTING OF (A) INTERPOLYMERS OF SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF (1) ALPHA-BETA UNSATURATED DICARBOXYLIC ACIDS AND ANHYDRIDES THEREOF AND (2) VINYL ALKYL ETHERS IN WHICH THE ALKYL GROUP HAS FROM 1 TO 10 CARBON ATOMS AND (B) INTERPOLYMERS OF SUBSTANTIALLY EQUIMOLAR PROPORTIONS OF (1) AND (2) AND FROM 0.1 TO ABOUT 10% BY WEIGHT OF THE COMBINED WEIGHT OF SAID (1) AND (2) OF AN INGREDIENT HAVING A PLURALITY OF CH2=C<GROUPS WHICH INGREDIENT IS COPOLYMERIZABLE WITH (1) AND (2) TO FORM CROSS-LINKED INTERPOLYMES, PARTIAL AMIDES, PARTIAL ESTERS OF MONOHYDRIC ALCOHOLS AND PARTIAL ALKALI METAL SALTS OF (A) AND (B), AND A STABILIZING INGREDIENT FROM ABOUT 6% TO ABOUT 120% BY WEIGHT BASED ON SAID INTERPOLYMERS OF A WATER-SOLUBLE THIOAMIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |