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Patent US4753829A successfully refreshed from Google Patents.
US4753829A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Opalescent automotive paint compositions containing microtitanium dioxide pigment
Assignee: BASF Corp
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Filing: 1986-11-19
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Granted: 1988-06-28
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Expires: 2006-11-19
Abstract
Abstract Automotive coating compositions are disclosed. The compositions comprise a metallic or a metallic-like pigment and a metal oxide pigment, wherein the metal oxide pigment has a particle size of about 20 nm to about 30 nm. The coating compositions exhibit high chromaticity with excellent downflop. The coating compositions also have an opalescent appearance.
Inventors
- 👤 Sol Panush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:50
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/36; C09D5/38; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256; Y10T428/31504; Y10T428/31533
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
79 words
An exterior, automotive coating composition comprising about 24.0 wt. % to about 35.0 wt. % of a thermoplastic or thermosetting resin; about 1.1 wt. % to about 10.5 wt. % of transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or a metallic-like pigment, the composition when applied to a substrate having high chromaticity with excellent downflop, and, opalescence.
Claim 2
Dependent Claim
79 words
An exterior, automotive coating composition comprising about 24.0 wt. % to about 35.0 wt. % of a thermoplastic or thermosetting resin; about 1.1 wt. % to about 10.5 wt. % of transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or a metallic-like pigment, the composition when applied to a substrate having high chromaticity with excellent downflop, and, opalescence.
Claim 3
Dependent Claim
29 words
The coating composition of claim 1 additionally comprising up to about 70.0 wt. % of at least one color pigment on a dry weight basis of the total pigment.
Claim 4
Dependent Claim
24 words
The coating composition of claim 1 wherein the transparent metal oxide pigment has a particle size of about 20 nm to about 30 nm.
Claim 5
Dependent Claim
13 words
The coating composition of claim 1 wherein the metallic pigment comprises metal flake.
Claim 6
Dependent Claim
15 words
The coating composition of claim 1 wherein the metallic-like pigment comprises metal oxide coated mica.
Claim 7
Dependent Claim
103 words
A substrate coated with at least one layer of a pigmented exterior, automotive base coat coating composition and at least one layer of an outer exterior, automotive clear topcoat composition wherein the basecoat coating comprises about 24.0 wt. % to about 35.0 wt. % of a thermoplastic or thermosetting resin; about 1.1 wt. % to about 10.5 wt. % of a transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or metallic-like pigment, the coating having high chromaticity with excellent downflop, and, opalescence,
Claim 8
Dependent Claim
103 words
A substrate coated with at least one layer of a pigmented exterior, automotive base coat coating composition and at least one layer of an outer exterior, automotive clear topcoat composition wherein the basecoat coating comprises about 24.0 wt. % to about 35.0 wt. % of a thermoplastic or thermosetting resin; about 1.1 wt. % to about 10.5 wt. % of a transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or metallic-like pigment, the coating having high chromaticity with excellent downflop, and, opalescence,
Claim 9
Dependent Claim
35 words
The coated substrate of claim 6 wherein the base coat coating composition additionally comprises up to about 70.0 wt. % of at least one color pigment on a dry weight basis of the total pigment.
Claim 10
Dependent Claim
24 words
The coated substrate of claim 6 wherein the transparent metal oxide pigment has a particle size of about 20 nm to about 30 nm.
Claim 11
Dependent Claim
13 words
The coating composition of claim 6 wherein the metallic pigment comprises metal flake.
Claim 12
Dependent Claim
15 words
The coating composition of claim 6 wherein the metallic-like pigment comprises metal oxide coated mica.
Claim 13
Dependent Claim
110 words
An exterior, automotive multicoat coatnig composition comprising at least one layer of a pigmented base coat and at least one layer of an outer clear topcoat wherein the pigmented base coat comprises about 24.0 wt. % to about 35.0 wt. % of a thermoplastic or thermosetting resin; about 1:1 wt. % to about 10.5 wt. % of a transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or metallic-like pigment, the coating composition when applied to a substance and cured or dried having high chromaticity with deep downflop, and, opalescence.
Claim 14
Dependent Claim
110 words
An exterior, automotive multicoat coatnig composition comprising at least one layer of a pigmented base coat and at least one layer of an outer clear topcoat wherein the pigmented base coat comprises about 24.0 wt. % to about 35.0 wt. % of a thermoplastic or thermosetting resin; about 1:1 wt. % to about 10.5 wt. % of a transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or metallic-like pigment, the coating composition when applied to a substance and cured or dried having high chromaticity with deep downflop, and, opalescence.
Claim 15
Dependent Claim
30 words
The multicoat coating composition of claim 11 additionally comprising up to about 70.0 wt. % of at least one color pigment on a dry weight basis of the total pigment.
Claim 16
Dependent Claim
25 words
The multicoat coating composition of claim 11 wherein the transparent metal oxide pigment has a particle size of about 20 nm to about 30 nm.
Claim 17
Dependent Claim
14 words
The multicoat coating composition of claim 11 wherein the metallic pigment comprises metal flakes.
Claim 18
Dependent Claim
14 words
The multicoat coating composition of claim 11 wherein the metallic-like pigment comprises coated mica.
Claim 19
Independent Claim
101 words
A method of coating a substrate applying at least one layer of an exterior, automotive coating composition to the substrate and then curing or drying the coating, wherein the coating composition comprises about 24.0 wt. % to about 35 wt. % of a thermoplastic or thermosetting resin; about 1.1 wt. % to about 10.5 wt. % of a transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metal flake pigment, the coating thereby produced having high chromaticity with excellent downflop and opalescence.
Claim 20
Independent Claim
101 words
A method of coating a substrate applying at least one layer of an exterior, automotive coating composition to the substrate and then curing or drying the coating, wherein the coating composition comprises about 24.0 wt. % to about 35 wt. % of a thermoplastic or thermosetting resin; about 1.1 wt. % to about 10.5 wt. % of a transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metal flake pigment, the coating thereby produced having high chromaticity with excellent downflop and opalescence.
Claim 21
Dependent Claim
32 words
The method of claim 15 where in the coating additionally comprises up to about 70.0 wt. % of at least one color pigment on a dry weight basis of the total pigment.
Claim 22
Dependent Claim
23 words
The method of claim 16 wherein the transparent metal oxide pigment has a particle size of about 20 nm to about 30 nm.
Claim 23
Dependent Claim
12 words
The method of claim 15 wherein the metallic pigment comprises metal flake.
Claim 24
Dependent Claim
14 words
The method of claim 15 wherein the metallic-like pigment comprises metal oxide coated mica.
Claim 25
Dependent Claim
64 words
A resinous exterior, automotive coating composition comprising about 1.1 wt. % to about 10.5 wt. % of transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or metallic-like pigment, the composition when applied to a substrate having high chromaticity with excellent downflop and opalescence.
Claim 26
Dependent Claim
64 words
A resinous exterior, automotive coating composition comprising about 1.1 wt. % to about 10.5 wt. % of transparent titanium dioxide pigment having a particle size of about 10 nm to about 45 nm and, about 1.1 wt. % to about 10.5 wt. % of a metallic or metallic-like pigment, the composition when applied to a substrate having high chromaticity with excellent downflop and opalescence.
Claim 27
Dependent Claim
25 words
The resinous coating composition of claim 21 wherein the transparent metal oxide pigment has a particle size of about 20 nm to about 30 nm.
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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) | 1991-06-28 | 1991-12-28 | 1992-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-06-28 | 1995-12-28 | 1996-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-06-28 | 1999-12-28 | 2000-06-28 | $7700.00 | Window Closed / Lapsed |