Patent US3205188A successfully refreshed from Google Patents.
US3205188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint dispersion
Assignee: Occidental Chemical Corp
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Filing: 1961-10-03
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Granted: 1965-09-07
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Expires: 1981-10-03
Abstract
No abstract record available.
Inventors
- 👤 Albert J Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:18
CPC Classifications
C; C08; C08F; C08F259/00; C08F259/02; C08F259/04; C09; C09D; C09D151/00; C09D151/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN AIR-DRYING AQUEOUS PAOINT DISPERSION WITH A PH OF NO MORE THAN ABOUT 6.5, WHICH CONTAINS 40 TO 60 PERCENT SOLIDS CONTENT, AND OF THIS SOLIDS CONTENT THE PIGMENT CONSTITUTES 10 TO 40 PERCENT BASED ON THE WEIGHT OF THE DISPERSION, AND THE REMAINING SOLIDS CONTENT IS GRAFT COPOLYMER COMPOSED ESSENTIALLY OF 55 TO 75 PERCENT POLYVINYLCHLORIDE SUBSTRATE, AND 5 TO 35 PERCENT BUTADIENE AND 5 TO 35 PERCENT 2-ETHYLHEXYL ACRYLATE AS SUPERSTRATE.
Claim 2
Dependent Claim
73 words
AN AIR-DRYING AQUEOUS PAOINT DISPERSION WITH A PH OF NO MORE THAN ABOUT 6.5, WHICH CONTAINS 40 TO 60 PERCENT SOLIDS CONTENT, AND OF THIS SOLIDS CONTENT THE PIGMENT CONSTITUTES 10 TO 40 PERCENT BASED ON THE WEIGHT OF THE DISPERSION, AND THE REMAINING SOLIDS CONTENT IS GRAFT COPOLYMER COMPOSED ESSENTIALLY OF 55 TO 75 PERCENT POLYVINYLCHLORIDE SUBSTRATE, AND 5 TO 35 PERCENT BUTADIENE AND 5 TO 35 PERCENT 2-ETHYLHEXYL ACRYLATE AS SUPERSTRATE.
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) | 1968-09-06 | 1969-03-08 | 1969-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-06 | 1973-03-08 | 1973-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-06 | 1977-03-08 | 1977-09-07 | $7700.00 | Window Closed / Lapsed |