US2739910A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of improving the scrub resistance of polyvinyl acetate coating compositions
Assignee: Armstrong World Industries Inc
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Filing: 1953-12-01
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Granted: 1956-03-27
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Expires: 1973-12-01
Abstract
No abstract record available.
Inventors
- 👤 Alan R Mcgarvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:44
CPC Classifications
C; C09; C09D; C09D131/00; C09D131/02; C09D131/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A METHOD OF IMPROVING THE SCRUB RESISTANCE OF DRIED POLYVINYL ACETATE COATINGS COMPRISING FORMING A DISPERSION OF (A) POLYVINYL ACETATE IN WHICH THE PARTICLES OF POLYVINYL ACETATE HAVE A MAXIMUM AVERAGE PARTICLE SIZE OF 3 MICRONS IN (B) A WATER SOLUTION OF SODIUM METHYL SILICONATE WHICH CONSTITUTES THE CONTINUOUS PHASE OF SAID DISPERSION, APPLYING A FILM OF SAID SOLUTION TO A SURFACE, AND DRYING THE FILM TO REMOVE WATER THEREFROM AND TO DEPOSIT ON SAID SURFACE SAID POLYVINYL ACETATE MATERIAL INTIMATELY PROTECTED BY SAID SODIUM METHYL SILICONATE.
Claim 2
Independent Claim
87 words
A METHOD OF IMPROVING THE SCRUB RESISTANCE OF DRIED POLYVINYL ACETATE COATINGS COMPRISING FORMING A DISPERSION OF (A) POLYVINYL ACETATE IN WHICH THE PARTICLES OF POLYVINYL ACETATE HAVE A MAXIMUM AVERAGE PARTICLE SIZE OF 3 MICRONS IN (B) A WATER SOLUTION OF SODIUM METHYL SILICONATE WHICH CONSTITUTES THE CONTINUOUS PHASE OF SAID DISPERSION, APPLYING A FILM OF SAID SOLUTION TO A SURFACE, AND DRYING THE FILM TO REMOVE WATER THEREFROM AND TO DEPOSIT ON SAID SURFACE SAID POLYVINYL ACETATE MATERIAL INTIMATELY PROTECTED BY SAID SODIUM METHYL SILICONATE.
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) | 1959-03-27 | 1959-09-26 | 1960-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-27 | 1963-09-26 | 1964-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-27 | 1967-09-26 | 1968-03-27 | $7700.00 | Window Closed / Lapsed |