Patent US4199492A successfully refreshed from Google Patents.
US4199492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Autoxidative paint composition comprising unsaturated polyether and maleic modified acrylic copolymer
Assignee: BASF Corp
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Filing: 1979-03-29
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Granted: 1980-04-22
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Expires: 1999-03-29
Abstract
Abstract A novel coating composition useful in automobile refinish air-dry paint coating compositions. The novel coating composition comprises a blend of a maleic modified acrylic copolymer and an unsaturated polyether.
Inventors
- 👤 Howard T. Roth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:58
CPC Classifications
C; C09; C09D; C09D133/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
34 words
A coating composition comprising a blend of (a) about 60 to about 80% by weight of a maleic modified acrylic copolymer and (b) about 20 to about 40% by weight of an unsaturated polyether.
Claim 2
Dependent Claim
34 words
A coating composition comprising a blend of (a) about 60 to about 80% by weight of a maleic modified acrylic copolymer and (b) about 20 to about 40% by weight of an unsaturated polyether.
Claim 3
Dependent Claim
25 words
The coating composition of claim 1 wherein the maleic modified acrylic copolymer comprises 10-25% hydroxyl functional acrylic monomer, 5-15% maleic anhydride and 60-85% acrylic monomer.
Claim 4
Dependent Claim
44 words
The coating composition of claim 1 wherein the unsaturated polyether is prepared from a glycidyl ether compound selected from the group consisting of allyl glycidyl ether, methallyl glycidyl ether, 2-propynyl glycidyl ether, the diglycidyl ether of 2-butyne-1,4-diol, cinnamyl glycidyl ether and crotyl glycidyl ether.
Claim 5
Dependent Claim
14 words
The coating composition of claim 1 wherein the composition contains a low boiling solvent.
Claim 6
Dependent Claim
53 words
An automobile paint composition of from about 60 to about 95% of a binder comprising a blend of (a) about 60 to about 80% by weight of a maleic modified acrylic copolymer and (b) about 20 to about 40% by weight of an unsaturated polyether and from about 5 to about 40% pigment.
Claim 7
Dependent Claim
53 words
An automobile paint composition of from about 60 to about 95% of a binder comprising a blend of (a) about 60 to about 80% by weight of a maleic modified acrylic copolymer and (b) about 20 to about 40% by weight of an unsaturated polyether and from about 5 to about 40% pigment.
Claim 8
Dependent Claim
14 words
The paint composition according to claim 5 wherein the composition contains low boiling solvent.
Claim 9
Dependent Claim
19 words
The paint composition according to claim 5 wherein the composition contains from about 0.05 to about 1.0% metallic drier.
References Cited (Backward Citations)
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US3626027A
Cited
FR1578678A
Cited
US3770602A
Cited
US3689592A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-22 | 1983-10-22 | 1984-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-22 | 1987-10-22 | 1988-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-22 | 1991-10-22 | 1992-04-22 | $7700.00 | Window Closed / Lapsed |