Patent US3908170A successfully refreshed from Google Patents.
Patent US3095397A successfully refreshed from Google Patents.
US3095397A
Expired / Lapsed
US
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Stable polybutadiene latex paint containing zinc oxide and having enhanced freeze stability and wash resistance
Assignee: Bridgestone Firestone Inc
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Filing: 1957-10-03
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Granted: 1963-06-25
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Expires: 1977-10-03
Abstract
No abstract record available.
Inventors
- 👤 John H Musch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:20
CPC Classifications
C; C09; C09D; C09D109/00; C09D109/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS OF PREPARING A STABLE WATER DISPERSION PAINT OF INCREASED FREEZE-STABILITY AND INCREASED WASH RESISTANCE WHICH COMPRISES (1) HOMOPOLYMERIZING 100 PARTS BY WEIGHT OF WATER-INSOLUBLE 1,3-BUTADIENE IN AN EMULSIFIERFREE SYSTEM AT A TEMPERATURE BETWEEN ABOUT 20*C. AND 150*C, IN THE PRESENCE OF BETWEEN 75 AND 300 PARTS BY WEIGHT OF WATER AND FROM 1 TO 20 PARTS BY WEIGHT OF A WATER-SOLUBLE SALT OF PERSULFURIC ACID TO PRODUCE A LATEX, AND (2) ADMIXING SAID LATEX WITH AN ALKYLARYL POLYETHER ALCOHOL HAVING THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
85 words
A PROCESS OF PREPARING A STABLE WATER DISPERSION PAINT OF INCREASED FREEZE-STABILITY AND INCREASED WASH RESISTANCE WHICH COMPRISES (1) HOMOPOLYMERIZING 100 PARTS BY WEIGHT OF WATER-INSOLUBLE 1,3-BUTADIENE IN AN EMULSIFIERFREE SYSTEM AT A TEMPERATURE BETWEEN ABOUT 20*C. AND 150*C, IN THE PRESENCE OF BETWEEN 75 AND 300 PARTS BY WEIGHT OF WATER AND FROM 1 TO 20 PARTS BY WEIGHT OF A WATER-SOLUBLE SALT OF PERSULFURIC ACID TO PRODUCE A LATEX, AND (2) ADMIXING SAID LATEX WITH AN ALKYLARYL POLYETHER ALCOHOL HAVING THE STRUCTURAL FORMULA
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-24 | 1966-12-24 | 1967-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-24 | 1970-12-24 | 1971-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-24 | 1974-12-24 | 1975-06-25 | $7700.00 | Window Closed / Lapsed |