US2914499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emulsion polymerization with acrylictype acid esters of hydroxysulfonic acids and composition therefrom
Assignee: Dow Chemical Co
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Filing: 1957-03-25
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Granted: 1959-11-24
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 David P Sheetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:01
CPC Classifications
C; C08; C08F; C08F28/00; C08F236/00; C08F236/02; C08F236/04; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
32 words
IN A METHOD FOR MAKING SYNTHETIC POLYMER LATEXES, THE STEPS OF FORMING AN AQUEOUS DISPERISON OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL BY MIXING TOGETHER IN AN AQUEOUS MEDIUM, FROM 0.1 TO
Claim 2
Dependent Claim
32 words
IN A METHOD FOR MAKING SYNTHETIC POLYMER LATEXES, THE STEPS OF FORMING AN AQUEOUS DISPERISON OF A POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMERIC MATERIAL BY MIXING TOGETHER IN AN AQUEOUS MEDIUM, FROM 0.1 TO
Claim 3
Dependent Claim
11 words
PARTS BY WEIGHT OF A WATER-SOLUBLE SULFO ESTER HAVING THE FORMULA
Claim 4
Dependent Claim
11 words
PARTS BY WEIGHT OF A WATER-SOLUBLE SULFO ESTER HAVING THE FORMULA
References Cited (Backward Citations)
US1881172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |