US3170888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latices of vinylidene chloride interpolymers thickened with ethylenemaleic anhydride copolymer and article coated therewith
Assignee: Interchemical Corp
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Filing: 1962-08-31
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Granted: 1965-02-23
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Expires: 1982-08-31
Abstract
No abstract record available.
Inventors
- 👤 Kutik Leon
- 👤 Francis W Michelotti
- 👤 Sebastian T Brancato
- 👤 Alice W Pucknat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:26
CPC Classifications
C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699; Y10T428/31786; Y10T428/31797; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891; Y10T428/31895; Y10T428/31906; Y10T428/31909; Y10T428/31913; Y10T428/3192; Y10T428/31935
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A COATING COMPOSITION COMPRISING A THICKENED LATEX CONSISTING ESSENTIALLY OF AN AQUEOUS DISPERSION OF AN INTERPOLYMER MADE FROM ABOUT 80% TO ABOUT 87% BY WEIGHT OF VINYLIDENE CHLORIDE, ABOUT 9% TO ABOUT 18% BY WEIGHT OF ETHYL ACRYLATE, AND ABOUT 1% TO 4% BY WEIGHT OF METHACRYLIC ACID, THE LATEX CONTAINING ABOUT 0.6 TO 2.7 PARTS BY WEIGHT, BASED ON THE LATEX SOLIDS, OF A THICKENER CONSISTING OF A LINEAR ETHYLENE-MALEIC ACID COPOLYMER HAVING THE RECURRENT GROUP.
Claim 2
Dependent Claim
77 words
A COATING COMPOSITION COMPRISING A THICKENED LATEX CONSISTING ESSENTIALLY OF AN AQUEOUS DISPERSION OF AN INTERPOLYMER MADE FROM ABOUT 80% TO ABOUT 87% BY WEIGHT OF VINYLIDENE CHLORIDE, ABOUT 9% TO ABOUT 18% BY WEIGHT OF ETHYL ACRYLATE, AND ABOUT 1% TO 4% BY WEIGHT OF METHACRYLIC ACID, THE LATEX CONTAINING ABOUT 0.6 TO 2.7 PARTS BY WEIGHT, BASED ON THE LATEX SOLIDS, OF A THICKENER CONSISTING OF A LINEAR ETHYLENE-MALEIC ACID COPOLYMER HAVING THE RECURRENT GROUP.
References Cited (Backward Citations)
US2840491A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |