US2509857A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compatibilized resin compositions
Assignee: EIDP Inc
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Filing: 1945-07-09
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Granted: 1950-05-30
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Expires: 1965-07-09
Abstract
No abstract record available.
Inventors
- 👤 Gerald T Borcherdt
- 👤 Henry S Rothrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:30
CPC Classifications
C; C08; C08L; C08L33/00; C08L33/04; C08L33/06; C08L2201/00; C08L2201/50; C08L29/00; C08L29/02; C08L29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
A COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF WATER-INSOLUBLE, FILM-FORMING LINEAR POLYMER CONTAINING MORE THAN ONE CARBALKOXY GROUP FOR EVERY FIFTY CARBON ATOMS OF THE LINEAR POLYMER CHAIN AND SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF METHYL METHACRYLATE, METHYL ACRYLATE AND ETHYL ACRYLATE, AND COPOLYMERS WITH VINYL CHLORIDE OF METHYL METHACRYLATE, METHYL ACRYLATE, ETHYL ACRYLATE, DIMETHYL FUMARATE AND DIMETHYL MALEATE, BLENDED WITH AN AQUEOUS SOLUTION OF A SUBSTANTIALLY COMPLETELY HYDROLYZED INTERPOLYMER OF ETHYLENE AND VINYL ACETATE THAT IS SOLUBLE IN WATER AT 80*C. AND CONTAINS BETWEEN 0.5% AND 10% BY WEIGHT OF ETHYLENE, THE WEIGHT RATIO OF SAID HYDROLYZED INTERPOLYMER TO SAID WATER-INSOLUBLE POLYMER BEING WITHIN THE RANGE OF FROM 15/85 TO 80/20, THE CONCENTRATION OF SAID WATER-INSOLUBLE POLYMER IN THE AQUEOUS PHASE BEING FROM 10% TO 50% AND THE CONCENTRATION OF SAID HYDROLYZED INTERPOLYMER IN THE AQUEOUS PHASE BEING FROM 5% TO 30%.
Claim 2
Dependent Claim
144 words
A COMPOSITION COMPRISING AN AQUEOUS DISPERSION OF WATER-INSOLUBLE, FILM-FORMING LINEAR POLYMER CONTAINING MORE THAN ONE CARBALKOXY GROUP FOR EVERY FIFTY CARBON ATOMS OF THE LINEAR POLYMER CHAIN AND SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS OF METHYL METHACRYLATE, METHYL ACRYLATE AND ETHYL ACRYLATE, AND COPOLYMERS WITH VINYL CHLORIDE OF METHYL METHACRYLATE, METHYL ACRYLATE, ETHYL ACRYLATE, DIMETHYL FUMARATE AND DIMETHYL MALEATE, BLENDED WITH AN AQUEOUS SOLUTION OF A SUBSTANTIALLY COMPLETELY HYDROLYZED INTERPOLYMER OF ETHYLENE AND VINYL ACETATE THAT IS SOLUBLE IN WATER AT 80*C. AND CONTAINS BETWEEN 0.5% AND 10% BY WEIGHT OF ETHYLENE, THE WEIGHT RATIO OF SAID HYDROLYZED INTERPOLYMER TO SAID WATER-INSOLUBLE POLYMER BEING WITHIN THE RANGE OF FROM 15/85 TO 80/20, THE CONCENTRATION OF SAID WATER-INSOLUBLE POLYMER IN THE AQUEOUS PHASE BEING FROM 10% TO 50% AND THE CONCENTRATION OF SAID HYDROLYZED INTERPOLYMER IN THE AQUEOUS PHASE BEING FROM 5% TO 30%.
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) | 1953-05-29 | 1953-11-28 | 1954-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-29 | 1957-11-28 | 1958-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-29 | 1961-11-28 | 1962-05-30 | $7700.00 | Window Closed / Lapsed |