Patent US2285310A successfully refreshed from Google Patents.
US3108979A
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Emulsion polymerization with amino alcohol esters as cationic comonomers
Assignee: Dow Chemical Co
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Filing: 1957-10-21
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Granted: 1963-10-29
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Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 Fevre Walter J Le
- 👤 David P Sheetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:23
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
IN A METHOD FOR MAKING SYNTHETIC POLYMER LATEXES, THE STEPS OF FORMING AN AQUEOUS DISPERSION OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL BY MIXING TOGETHER AS THE ONLY CONSTITUENTS, WATER IN AMOUNT CORRESPONDING TO FROM 40 TO 95 PERCENT BY WEIGHT OF THE WHOLE MIXTURE, POLYMERIZATION CATALYST, FROM 0.1 TO 10 PARTS BY WEIGHT OF A WATER-SOLUBLE SALT OF A MONOHYDRIC AMINO ALCOHOL ESTER OF AN A-METHYLENE MONOCARBOXYLIC ACID HAVING THE FORMULA
Claim 2
Dependent Claim
72 words
IN A METHOD FOR MAKING SYNTHETIC POLYMER LATEXES, THE STEPS OF FORMING AN AQUEOUS DISPERSION OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL BY MIXING TOGETHER AS THE ONLY CONSTITUENTS, WATER IN AMOUNT CORRESPONDING TO FROM 40 TO 95 PERCENT BY WEIGHT OF THE WHOLE MIXTURE, POLYMERIZATION CATALYST, FROM 0.1 TO 10 PARTS BY WEIGHT OF A WATER-SOLUBLE SALT OF A MONOHYDRIC AMINO ALCOHOL ESTER OF AN A-METHYLENE MONOCARBOXYLIC ACID HAVING THE FORMULA
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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |