US3025253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vinyl acetate copolymer compositions
Assignee: Celanese Emulsions Ltd
•
Filing: 1959-03-04
•
Granted: 1962-03-13
•
Expires: 1979-03-04
Abstract
No abstract record available.
Inventors
- 👤 Mayne John Edwin Oakley
- 👤 Warson Henry
- 👤 Levine Ralph Manuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:59
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C08; C08L; C08L91/00; C08L91/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A VINYL ACETATE COPOLYMER-DRYING OIL COMPOSITION COMPRISING A COPOLYMER OF VINYL ACETATE WITH A COPOLYMERIZABLE, ESTER SELECTED FROM THE GROUP CONSISTING OF VINYL ESTERS OF SATURATED FATTY ACIDS CONTAINING AT LEAST FOUR CARBON ATOMS IN THE ACID CONTAINING AT LEAST FOUR UNSATURATED POLYCARBOXYLIC ACIDS CONTAINING AT LEAST FOUR CARBON ATOMS IN EACH ALKYL RADICAL AND ALKYL ESTERS OF MONOCARBOXYLIC UNSATURATED ALIPHATIC ACIDS CONTAINING AT LEAST FOUR CARBON ATOMS IN THE ALKYL RADICAL IN ADMIXTURE WITH A DRYING OIL, THE RATIO OF THE VINYL ACETATE UNITS IN SAID COPOLYMER TO THE UNITS OF SAID COPOLYMERIZABLE ESTER BEING SUCH THAT THE AVERAGE NUMBER OF CARBON ATOMS IN THE SATURATED SIDE CHAINS TO THE LINEAR CHAIN OF SAID COPOLYMER IS GREATER THAN 2 BUT NOT GREATER THAN 6, IN ADMIXTURE WITH AN AMOUNT OF A DRYING OIL SUCH AS TO PRODUCE A SUBSTANTIALLY COMPATIBLE FILM ON DRYING OF THE COPOLYMER-DRYING OIL COMPOSITION.
Claim 2
Dependent Claim
149 words
A VINYL ACETATE COPOLYMER-DRYING OIL COMPOSITION COMPRISING A COPOLYMER OF VINYL ACETATE WITH A COPOLYMERIZABLE, ESTER SELECTED FROM THE GROUP CONSISTING OF VINYL ESTERS OF SATURATED FATTY ACIDS CONTAINING AT LEAST FOUR CARBON ATOMS IN THE ACID CONTAINING AT LEAST FOUR UNSATURATED POLYCARBOXYLIC ACIDS CONTAINING AT LEAST FOUR CARBON ATOMS IN EACH ALKYL RADICAL AND ALKYL ESTERS OF MONOCARBOXYLIC UNSATURATED ALIPHATIC ACIDS CONTAINING AT LEAST FOUR CARBON ATOMS IN THE ALKYL RADICAL IN ADMIXTURE WITH A DRYING OIL, THE RATIO OF THE VINYL ACETATE UNITS IN SAID COPOLYMER TO THE UNITS OF SAID COPOLYMERIZABLE ESTER BEING SUCH THAT THE AVERAGE NUMBER OF CARBON ATOMS IN THE SATURATED SIDE CHAINS TO THE LINEAR CHAIN OF SAID COPOLYMER IS GREATER THAN 2 BUT NOT GREATER THAN 6, IN ADMIXTURE WITH AN AMOUNT OF A DRYING OIL SUCH AS TO PRODUCE A SUBSTANTIALLY COMPATIBLE FILM ON DRYING OF THE COPOLYMER-DRYING OIL COMPOSITION.
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) | 1965-03-12 | 1965-09-11 | 1966-03-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-12 | 1969-09-11 | 1970-03-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-12 | 1973-09-11 | 1974-03-13 | $7700.00 | Window Closed / Lapsed |