US2802799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Freeze resistant aqueous polymer containing paint
Assignee: Bridgestone Firestone Inc
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Filing: 1956-03-28
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Granted: 1957-08-13
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Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 Paul H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:34
CPC Classifications
C; C09; C09D; C09D125/00; C09D125/02; C09D125/04; C09D125/08; C09D125/10; C08; C08F; C08F36/00; C08F36/02; C08F36/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN IMPROVED FREEZE-STABLE WATER DISPERSION PAINT CONSISTING ESSENTIALLY OF A SYNTHETIC POLYMER LATEX, A POLYALKYLENE POLYAMINE AND WATER-DISPERSED PAINT PIGMENT, SAID LATEX BEING PRODUCED BY AQUEOUS EMULSION COPOLYMERIZATION OF A MINOR PROPORTION OF CONJUGATED DIENE WITH A MAJOR PROPORTION OF POLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND, IN THE PRESSENCE OF AT LEAST ABOUT 1.0 PART BY WEIGHT OF A SOLUBLE SALT OF PERSULFURIC ACID AND UP TO ABOUT 0.4 PARTS BY WEIGHT, OF INITIAL EMULSIFIER, BOTH PER 100 PARTS BY WEIGHT OF MONOMERS; AND SAID PAINT CONTAINING ADDITION SURFACE ACTIVE STABILIZING EMULSIFYING AGENT ADDED AFTER 50% POLYMERIZATION CONVERSION.
Claim 2
Dependent Claim
96 words
AN IMPROVED FREEZE-STABLE WATER DISPERSION PAINT CONSISTING ESSENTIALLY OF A SYNTHETIC POLYMER LATEX, A POLYALKYLENE POLYAMINE AND WATER-DISPERSED PAINT PIGMENT, SAID LATEX BEING PRODUCED BY AQUEOUS EMULSION COPOLYMERIZATION OF A MINOR PROPORTION OF CONJUGATED DIENE WITH A MAJOR PROPORTION OF POLYMERIZABLE MONOETHYLENICALLY UNSATURATED COMPOUND, IN THE PRESSENCE OF AT LEAST ABOUT 1.0 PART BY WEIGHT OF A SOLUBLE SALT OF PERSULFURIC ACID AND UP TO ABOUT 0.4 PARTS BY WEIGHT, OF INITIAL EMULSIFIER, BOTH PER 100 PARTS BY WEIGHT OF MONOMERS; AND SAID PAINT CONTAINING ADDITION SURFACE ACTIVE STABILIZING EMULSIFYING AGENT ADDED AFTER 50% POLYMERIZATION CONVERSION.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |