US4317895A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating compositions of thermoplastic acrylic-urethane copolymers
Assignee: BASF Corp
•
Filing: 1980-06-25
•
Granted: 1982-03-02
•
Expires: 2000-06-25
Abstract
Abstract A coating composition based on a thermoplastic copolymer prepared by polymerizing one or more ethylenically unsaturated monomers in the presence of a fully reacted polyurethane. The resulting copolymer can be coated as a clear film, air dried and has particular utility, when combined with pigments and metallics, in automotive finishes.
Inventors
- 👤 Matthew Guagliardo
- 👤 Edward Stone
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:47
CPC Classifications
C; C08; C08F; C08F283/00; C08F283/006
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
44 words
A thermoplastic coating composition comprising (a) about 2 to about 7 parts by weight acrylic monomer, polymerized in the presence of (b) one part by weight fully reacted hydroxy terminated polyurethane containing no terminal unsaturation wherein said coating composition contains no free unreacted monomer.
Claim 2
Dependent Claim
44 words
A thermoplastic coating composition comprising (a) about 2 to about 7 parts by weight acrylic monomer, polymerized in the presence of (b) one part by weight fully reacted hydroxy terminated polyurethane containing no terminal unsaturation wherein said coating composition contains no free unreacted monomer.
Claim 3
Dependent Claim
18 words
The coating composition of claim 1 containing pigment in a pigment volume concentration of about 0.1 to 14%.
Claim 4
Dependent Claim
20 words
The pigmented coating composition of claim 2 in which the acrylic monomer is selected from acrylic and methyl methacrylic monomers.
Claim 5
Dependent Claim
46 words
The pigmented coating composition of claim 2 wherein the polyurethane is formed from the reaction product of a diisocyanate component selected from the group consisting of isophorone diisocyanate, 1,6-hexamethylene diisocyanate, methylcyclohexylene diisocyanate and bis (4-isocyanatocyclohexyl) methane and a mixture of high and low molecular weight polyols.
Claim 6
Dependent Claim
39 words
The pigmented coating composition of claim 4 in which the fully reacted polyurethane is formed in a final step by capping with a difunctional hydroxyl compound selected from the group consisting of 1,4 butanediol, ethylene glycol and propylene glycol.
Claim 7
Dependent Claim
36 words
A thermoplastic coating composition comprising (a) 3 parts by weight methyl methacrylic monomer, polymerized in the presence of (b) 1 part by weight 1,4 butanediol capped polyurethane wherein said coating composition contains no free unreacted monomer.
Claim 8
Dependent Claim
36 words
A thermoplastic coating composition comprising (a) 3 parts by weight methyl methacrylic monomer, polymerized in the presence of (b) 1 part by weight 1,4 butanediol capped polyurethane wherein said coating composition contains no free unreacted monomer.
Claim 9
Dependent Claim
18 words
The coating composition of claim 6 containing pigment in a pigment volume concentration of about 0.1 to 14%.
Claim 10
Dependent Claim
20 words
The pigmented coating composition of claim 7 in which the acrylic monomer is selected from acrylic and methyl methacrylic monomers.
Claim 11
Dependent Claim
47 words
The pigmented coating composition of claim 7 wherein the polyurethane is formed from the reaction product of a diisocyanate component selected from the group consisting of isophorone diisocyanate, 1,6 hexamethylene diisocyanate, methylcyclohexylene diisocyanate and bis (4-isocyanateocyclohexyl) methane and a mixture of high and low molecular weight polyols.
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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) | 1985-03-01 | 1985-08-31 | 1986-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-03-01 | 1989-08-31 | 1990-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-03-01 | 1993-08-31 | 1994-03-02 | $7700.00 | Window Closed / Lapsed |