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US4569887A Expired / Lapsed US ⏱️ 0.0 years remaining

Metal fixative in automative paint

Assignee: BASF Corp
•
Filing: 1984-05-15
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Granted: 1986-02-11
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Expires: 2004-05-15
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Abstract

Abstract An improved coating composition containing chlorinated polyolefin to provide superior orientation of metallic pigment flakes in the coating. The invention is particularly useful in the pigmented base coat of a base coat-clear coat coating since it permits the use of a thinner base coat which, because of the improved orientation of the metallic pigment flakes, provides superior hiding or masking of the coated substrate. The coating composition comprises a solvent, a film forming resin selected from the group consisting of acrylic, alkyd, polyester and polyurethane resins, a uniformly dispersed pigment and a chlorinated polyolefin. The multilayer coating composition comprises a base coat comprising a film forming resin selected from the group consisting of acrylic, alkyd, polyester and polyurethane in a solvent, a uniformly dispersed pigment and a chlorinated polyolefin, and a topcoat comprising a transparent coating composition deposited on said basecoat, said topcoat comprising a second film-forming resin selected from the group consisting of acrylic, alkyd polyester and polyurethane resin dispersed in a volatile organic solvent.

Inventors

  • 👤 Richard A. Cowles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:34
CPC Classifications
C; C09; C09D; C09D123/00; C09D123/26; C09D123/28; C09D133/00; C09D133/04; C09D133/06; C08; C08L; C08L23/00; C08L23/26; C08L23/28; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31554; Y10T428/31565; Y10T428/31573; Y10T428/31609; Y10T428/31786; Y10T428/31797

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 79 words
A multilayer coating composition comprising (A) a base coat, said base coat comprising a film-forming resin selected from the group consisting of acrylic, polyester and polyurethane in a solvent, a pigment uniformly dispersed in the base coat and a chlorinated polyolefin; and, (B) a top coat comprising a transparent coating composition deposited on said base coat, said top coat comprising a second film-forming resin selected from the group consisting of acrylic, polyester and polyurethane resin dispersed in a solvent.
Claim 2
Dependent Claim 79 words
A multilayer coating composition comprising (A) a base coat, said base coat comprising a film-forming resin selected from the group consisting of acrylic, polyester and polyurethane in a solvent, a pigment uniformly dispersed in the base coat and a chlorinated polyolefin; and, (B) a top coat comprising a transparent coating composition deposited on said base coat, said top coat comprising a second film-forming resin selected from the group consisting of acrylic, polyester and polyurethane resin dispersed in a solvent.
Claim 3
Dependent Claim 30 words
The multilayer coating composition as recited in claim 1 wherein the film-forming resin material in the base coat is acrylic and the film-forming resin in the top coat is acrylic.
Claim 4
Dependent Claim 31 words
The multilayer coating composition as recited in claim 1 wherein the polyester resin material in the base coat is alkyd and the polyester resin material in the top coat is alkyd.
Claim 5
Dependent Claim 31 words
The multilayer coating composition as recited in claim 1 wherein the film-forming resin material in the base coat is polyester and the film-forming resin material in the top coat is polyester.
Claim 6
Dependent Claim 31 words
The multilayer coating composition as recited in claim 1 wherein the film-forming resin material in the base coat is polyurethane and the film-forming resin material in the too coat is polyurethane.
Claim 7
Dependent Claim 18 words
The multilayer coating composition as recited in claim 1 wherein the uniformly dispersed pigment further comprises metal flakes.
Claim 8
Dependent Claim 29 words
The multilayer coating composition as recited in claim 1 wherein the film-forming resin in the base coat is acrylic and the film-forming resin in the top coat is polyurethane.

References Cited (Backward Citations)

US3481767A Cited
US3676391A Cited
US4315053A Cited
US4355071A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1989-02-10 1989-08-12 1990-02-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1993-02-10 1993-08-12 1994-02-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1997-02-10 1997-08-12 1998-02-11 $7700.00 Window Closed / Lapsed

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