Patent US3075935A successfully refreshed from Google Patents.
US3075935A
Expired / Lapsed
US
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Coating compositions of aqueous vinyl acetate polymer emulsions modified with ketone-aldehyde resins
Assignee: Shawinigan Resins Corp
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Filing: 1959-12-17
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Granted: 1963-01-29
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Expires: 1979-12-17
Abstract
No abstract record available.
Inventors
- 👤 Shay Robert V De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:09
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04; C09D161/00; C09D161/02; C08; C08L; C08L61/00; C08L61/02; C08L71/00; C08L71/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
A COATING COMPOSITION COMPRISING THE ADMIXTURE, IN PARTS BY WEIGHT, OF (A) AN AQUEOUS EMULSION OF A FILM FORMING VINYL ACETATE POLYMER IN PARTICLES WITH A DIAMETER RANGING FROM 0.1 TO 0.4 MICRON, SAID EMULSION CONTAINING 100 PARTS VINYL ACETATE POLYMER FORMED BY AQUEOUS EMULSION POLYMERIZATION OF 100 PARTS VINYL ACETATE IN THE PRESENCE OF 3 TO 15 PARTS OF A POLYALKYLENE GLYCOL EMULSIFIER SELECTED FROM THE GROUP CONSISTING OF SOLID BLOCK COPOLYMERS OF PROPYLENE OXIDE AND ETHYLENE OXIDE AND OF ETHYLENE OXIDE HOMOPOLYMERS, WITH (B) A WATER MISCIBLE ORGANIC LIQUID SOLUTION OF 3 TO 300 PARTS OF A WATER INSOLUBLE KETONE-ALDEHYDE RESIN HAVING A RING AND BALL MELTING POINT OF 90 TO 110*C., SAID RESIN BEING THE CONDENSATE OF FORMALDEHYDE WITH A KETONE SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYL, DIETHYL, METHYL ISOBUTYL KETONES AND CYCLOHEXANONE; THE TOTAL POLYMERIC SOLIDS CONSTITUTING FROM ABOUT 30 TO 65% BY WEIGHT OF SAID ADMIXTURE.
Claim 2
Dependent Claim
153 words
A COATING COMPOSITION COMPRISING THE ADMIXTURE, IN PARTS BY WEIGHT, OF (A) AN AQUEOUS EMULSION OF A FILM FORMING VINYL ACETATE POLYMER IN PARTICLES WITH A DIAMETER RANGING FROM 0.1 TO 0.4 MICRON, SAID EMULSION CONTAINING 100 PARTS VINYL ACETATE POLYMER FORMED BY AQUEOUS EMULSION POLYMERIZATION OF 100 PARTS VINYL ACETATE IN THE PRESENCE OF 3 TO 15 PARTS OF A POLYALKYLENE GLYCOL EMULSIFIER SELECTED FROM THE GROUP CONSISTING OF SOLID BLOCK COPOLYMERS OF PROPYLENE OXIDE AND ETHYLENE OXIDE AND OF ETHYLENE OXIDE HOMOPOLYMERS, WITH (B) A WATER MISCIBLE ORGANIC LIQUID SOLUTION OF 3 TO 300 PARTS OF A WATER INSOLUBLE KETONE-ALDEHYDE RESIN HAVING A RING AND BALL MELTING POINT OF 90 TO 110*C., SAID RESIN BEING THE CONDENSATE OF FORMALDEHYDE WITH A KETONE SELECTED FROM THE GROUP CONSISTING OF METHYL ETHYL, DIETHYL, METHYL ISOBUTYL KETONES AND CYCLOHEXANONE; THE TOTAL POLYMERIC SOLIDS CONSTITUTING FROM ABOUT 30 TO 65% BY WEIGHT OF SAID ADMIXTURE.
References Cited (Backward Citations)
US2859192A
Cited
US2956973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |