Patent US3335100A successfully refreshed from Google Patents.
US3335100A
Expired / Lapsed
US
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Polymers of sulfonium and quaternary ammonium moieties
Assignee: Dow Chemical Co
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Filing: 1963-07-05
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Granted: 1967-08-08
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Expires: 1983-07-05
Abstract
No abstract record available.
Inventors
- 👤 Gerald R Geyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:28
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/10; G03G5/105; G03G5/107; C; C08; C08F; C08F8/00; C08F8/44; Y; Y10; Y10S; Y10S526/00; Y10S526/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A WATER-INSOLUBLE BIBULOUS FILM OBTAINED BY DRYING AN AQUEOUS FILM, AT A TEMPERATURE OF AT LEAST 50*C., OF A WATER-SOLUBLE, POLYALKANE BACKBONE POLYMER OF MONOETHYLENICALLY UNSATURATED MONOMERS CHARACTERIZED IN THAT AT LEAST 60 MOLE PERCENT OF THE POLYMERIZED MOIETIES FORMING THE POLYALKANE ARE VINYLIDENE POLYMERIZED FORMS OF HYDROPHILIC ALKENYL ARYLENE METHYLENE AMMONIUM AND ALKENYL ARYLENE METHYLENE SULFONIUM MOIETIES, THESE TWO MOIETIES BEING PRESENT IN RELATIVE PROPORTIONS OF FROM ABOUT 0.1 TO ABOUT 9 PARTS BY WEIGHT OF THE FORMER FOR EACH PART BY WEIGHT OF THE LATTER.
Claim 2
Dependent Claim
87 words
A WATER-INSOLUBLE BIBULOUS FILM OBTAINED BY DRYING AN AQUEOUS FILM, AT A TEMPERATURE OF AT LEAST 50*C., OF A WATER-SOLUBLE, POLYALKANE BACKBONE POLYMER OF MONOETHYLENICALLY UNSATURATED MONOMERS CHARACTERIZED IN THAT AT LEAST 60 MOLE PERCENT OF THE POLYMERIZED MOIETIES FORMING THE POLYALKANE ARE VINYLIDENE POLYMERIZED FORMS OF HYDROPHILIC ALKENYL ARYLENE METHYLENE AMMONIUM AND ALKENYL ARYLENE METHYLENE SULFONIUM MOIETIES, THESE TWO MOIETIES BEING PRESENT IN RELATIVE PROPORTIONS OF FROM ABOUT 0.1 TO ABOUT 9 PARTS BY WEIGHT OF THE FORMER FOR EACH PART BY WEIGHT OF THE LATTER.
References Cited (Backward Citations)
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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) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |