US3728295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dilatant latex of at least two aliphatic mono-unsaturated esters and an aliphatic mono-unsaturated carboxylic acid
Assignee: Sherwin Williams Co
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Filing: 1971-02-25
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Granted: 1973-04-17
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Expires: 1991-02-25
Abstract
Abstract THERE IS PROVIDED A DILATANT LATEX FORMED FROM A PLURALITY OF MONOMERS INCLUDING AT LEAST TWO ALIPHATIC MONOUNSATURATED ESTERS AND A SMALL AMOUNT OF AN ALIPHATIC MONO-UNSATURATED CARBOXYLIC ACID. THE POLYMER IS FORMED BY AN EMULSION POLYMERIZATION TECHNIQUE CARRIED OUT IN THE PRESENCE OF A WATER-SOLUBLE PHOYHYDRIC ALCOHOL WHICH IS A NONSOLVENT OR SUBSTANTIALLY A NONSOLVENT FOR THE POLYMER THERE ARE ALSO PROVIDED NOVEL COATING COMPOSITIONS IN WHICH THIS PODUCT MAY BE USED AS A PAINT VEHICLE COMPONENT OR USED AS AN ADDITIVE TO OTHER LATEX TYPE PAINT VEHICLES TO ADJUST THE RHEOLOGICAL PROPERTIES OF THE SYSTEM.
Inventors
- 👤 E Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:59
CPC Classifications
C; C08; C08F; C08F218/00; C08F218/02; C08F218/04; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/16; C08F220/18; C08F220/1802; C08F220/1804
Claims Analysis
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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) | 1976-04-16 | 1976-10-16 | 1977-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-16 | 1980-10-16 | 1981-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-16 | 1984-10-16 | 1985-04-17 | $7700.00 | Window Closed / Lapsed |