Patent DE260185C successfully refreshed from Google Patents.
Patent US2773849A successfully refreshed from Google Patents.
US2773849A
Expired / Lapsed
US
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Freeze stabilized latex coatings
Assignee: Sherwin Williams Co
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Filing: 1952-10-10
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Granted: 1956-12-11
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Expires: 1972-10-10
Abstract
No abstract record available.
Inventors
- 👤 Victor M Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:02
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/02; C09D5/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A PIGMENTED OIL-IN-WATER EMULSION TYPE COATING COMPOSITION VEHICLE, THE SOLIDS PHASE OF WHICH IS CAPABLE OF DEPOSITING A CONTINUOUS FILM WHEN DRY, CONTAINING A DISPERSED PHASE CONSISTING ESSENTIALLY OF AN EMULSION POLYMER CONTAINING AT LEAST 40 MOL PER CENT, OF A MONOVINYL AROMATIC COMPOUND OF THE BENZENE SERIES HAVING A SINGLE CENTER OF UNSATURATION AND BETWEEN 22 AND 60 MOL PER CENT OF AN ALIPHATIC CONJUGATED DIOLEFINE OF THE CLASS CONSISTING OF BUTADIENE AND ISOPRENE IN CHEMICAL COMBINATION AND A CONTINUOUS AQUEOUS PHASE, THE IMPROVEMENT WHICH COMPRISES INCLUDING IN THE AQUEOUS PHASE THEREOF AT LEAST 6 PARTS AND NOT MORE THAN 10 PARTS PER HUNDRED PARTS OF LATEX SOLIDS BY WEIGHT OF SIAD EMULSION POLYMER AND FROM 1% TO NOT MORE THAN ABOUT 5% BY WEIGHT OF THE TOTAL AQUEOUS PHASE OF A WATER SOLUBLE ALKALINE SALT OF AN ASYMMETRICAL, POLYSUBSTITUTED PHENATE, WHEREIN SAID POLYSUBSTITUENTS ARE LIMITED TO CHORINE AND PHENYL GROUPS.
Claim 2
Dependent Claim
153 words
IN A PIGMENTED OIL-IN-WATER EMULSION TYPE COATING COMPOSITION VEHICLE, THE SOLIDS PHASE OF WHICH IS CAPABLE OF DEPOSITING A CONTINUOUS FILM WHEN DRY, CONTAINING A DISPERSED PHASE CONSISTING ESSENTIALLY OF AN EMULSION POLYMER CONTAINING AT LEAST 40 MOL PER CENT, OF A MONOVINYL AROMATIC COMPOUND OF THE BENZENE SERIES HAVING A SINGLE CENTER OF UNSATURATION AND BETWEEN 22 AND 60 MOL PER CENT OF AN ALIPHATIC CONJUGATED DIOLEFINE OF THE CLASS CONSISTING OF BUTADIENE AND ISOPRENE IN CHEMICAL COMBINATION AND A CONTINUOUS AQUEOUS PHASE, THE IMPROVEMENT WHICH COMPRISES INCLUDING IN THE AQUEOUS PHASE THEREOF AT LEAST 6 PARTS AND NOT MORE THAN 10 PARTS PER HUNDRED PARTS OF LATEX SOLIDS BY WEIGHT OF SIAD EMULSION POLYMER AND FROM 1% TO NOT MORE THAN ABOUT 5% BY WEIGHT OF THE TOTAL AQUEOUS PHASE OF A WATER SOLUBLE ALKALINE SALT OF AN ASYMMETRICAL, POLYSUBSTITUTED PHENATE, WHEREIN SAID POLYSUBSTITUENTS ARE LIMITED TO CHORINE AND PHENYL GROUPS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |