US3061883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymers of carboxylic modified copolymers of butadiene-1, 3 hydrocarbons and acrylic nitriles
Assignee: EIDP Inc
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Filing: 1959-12-07
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Granted: 1962-11-06
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Expires: 1979-12-07
Abstract
No abstract record available.
Inventors
- 👤 Erich K Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:22
CPC Classifications
C; C07; C07C; C07C255/00; C07C255/45; C08; C08J; C08J5/00; C08J5/04; C08J5/046; C08L; C08L13/00; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/31; C08J2313/00; Y; Y10; Y10S; Y10S260/00; Y10S260/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESSD WHICH COMPRISES COMPOUNDING AT LEAST ONE COPOLYMER OF ABOUT FROM 50 TO 80% BY WEIGHT OF BUTADIENE-1,3 AND ABOUT FROM 10 TO 45% BY WEIGHT OF ACRYLONITRILE CONTAINING ABOUT FROM 0.01 TO 0.3 CARBOXYL EQUIVALENT, PER 100 PARTS BY WEIGHT OF COPOLYMER, OFAT LEAST ONE OF THE CLASS CONSISTING OF ACRYLIC AND METHACRYLIC ACID WITH ZINC OXIDE, COATING A BABRIC WITH THE RESULTING COMPOUNDED COPOLYMER, EXPOSING THE COATED FABRIC TO AN ATMOSPHERE SATURATED WITH WATER AND AT A TEMPERATURE OF ABOUT FROM 150 TO 180*F. FOR ABOUT FROM 1 TO 6 HOURS UNTIL THE MOONEY VISCOSITY OF SAID COMPOUNDED COPOLYMER INCREASES ABOUT FROM 100 TO 200% AND MOLDING AND CRUING THE RESULTING PRODUCT.
Claim 2
Dependent Claim
115 words
A PROCESSD WHICH COMPRISES COMPOUNDING AT LEAST ONE COPOLYMER OF ABOUT FROM 50 TO 80% BY WEIGHT OF BUTADIENE-1,3 AND ABOUT FROM 10 TO 45% BY WEIGHT OF ACRYLONITRILE CONTAINING ABOUT FROM 0.01 TO 0.3 CARBOXYL EQUIVALENT, PER 100 PARTS BY WEIGHT OF COPOLYMER, OFAT LEAST ONE OF THE CLASS CONSISTING OF ACRYLIC AND METHACRYLIC ACID WITH ZINC OXIDE, COATING A BABRIC WITH THE RESULTING COMPOUNDED COPOLYMER, EXPOSING THE COATED FABRIC TO AN ATMOSPHERE SATURATED WITH WATER AND AT A TEMPERATURE OF ABOUT FROM 150 TO 180*F. FOR ABOUT FROM 1 TO 6 HOURS UNTIL THE MOONEY VISCOSITY OF SAID COMPOUNDED COPOLYMER INCREASES ABOUT FROM 100 TO 200% AND MOLDING AND CRUING THE RESULTING PRODUCT.
References Cited (Backward Citations)
US2662874A
Cited
US2710292A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-05 | 1966-05-07 | 1966-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-05 | 1970-05-07 | 1970-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-05 | 1974-05-07 | 1974-11-06 | $7700.00 | Window Closed / Lapsed |