Patent US3109828A successfully refreshed from Google Patents.
US3109828A
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Dimethyl sulfoxide-aromatic hydrocarbon solvent system for vinyl chloride copolymers
Assignee: Mobil Finishes Co Inc
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Filing: 1959-12-30
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Granted: 1963-11-05
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Expires: 1979-12-30
Abstract
No abstract record available.
Inventors
- 👤 Gerald P Roeser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:03
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/09; C08J3/091; C08J2327/00; C08J2327/02; C08J2327/04; C08J2327/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A RESIN COMPOSITION COMPRISING A COPOLYMER OF FROM 80 WEIGHT PERCENT UP TO 93 MOL PERCENT OF VINYL CHLORIDE WITH VINYL FATTY ACID ESTER IN WHICH THE ACID FORMING THE ESTER CONTAINS FROM 1-4 CARBON ATOMS, SAID COPOLYMER HAVING AN INTRINSIC VISCOSITY MEASURED IN A 1% SOLUTION IN CYCLOHEXANONE AT 80*F. OF 0.2-1.0, SAID COPOLYMER BEING DISSOLVED IN A SOLVENT COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID MIXTURE OF DIMETHYL SULFOXIDE AND LIQUID MONONUCLEAR AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF BENZENE AND LOWER ALKYL-SUBSTITUTED PRODUCTS THEREOF SAID DIMETHYL SULFOXIDE BEING PRESENT IN SAID MIXTURE IN AN AMOUNT OF FROM 8-40% BY WEIGHT.
Claim 2
Dependent Claim
103 words
A RESIN COMPOSITION COMPRISING A COPOLYMER OF FROM 80 WEIGHT PERCENT UP TO 93 MOL PERCENT OF VINYL CHLORIDE WITH VINYL FATTY ACID ESTER IN WHICH THE ACID FORMING THE ESTER CONTAINS FROM 1-4 CARBON ATOMS, SAID COPOLYMER HAVING AN INTRINSIC VISCOSITY MEASURED IN A 1% SOLUTION IN CYCLOHEXANONE AT 80*F. OF 0.2-1.0, SAID COPOLYMER BEING DISSOLVED IN A SOLVENT COMPOSITION CONSISTING ESSENTIALLY OF A LIQUID MIXTURE OF DIMETHYL SULFOXIDE AND LIQUID MONONUCLEAR AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF BENZENE AND LOWER ALKYL-SUBSTITUTED PRODUCTS THEREOF SAID DIMETHYL SULFOXIDE BEING PRESENT IN SAID MIXTURE IN AN AMOUNT OF FROM 8-40% BY WEIGHT.
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |