Patent US5008143A successfully refreshed from Google Patents.
US5008143A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Decorative objects with multi-color effects
Assignee: BASF Catalysts LLC
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Filing: 1989-12-07
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Granted: 1991-04-16
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Expires: 2009-12-07
Abstract
Abstract An article exhibiting a multicolor effect is obtained by combining a transparent substrate, an interference pigment and an absorption colorant, the pigment and colorant preferably united in the form of a combination pigment, in which the absorption colorant is of a color which is different from the transmission color of the interference pigment or the complement thereof.
Inventors
- 👤 Louis Armanini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:05
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; B44; B44F; B44F1/00; B44F1/08; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893; Y10T428/24901; Y10T428/25; Y10T428/256; Y10T428/257; Y10T428/29; Y10T428/2982; Y10T428/2991
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
61 words
An article exhibiting a multicolor effect consisting essentially of a transparent body, an interference pigment and an absorption colorant in which said absorption colorant is of a color which is different from the reflection color of the interference pigment or the complement thereof and in which the interference pigment and absorption colorant have the same order of magnitude of color intensity.
Claim 2
Dependent Claim
61 words
An article exhibiting a multicolor effect consisting essentially of a transparent body, an interference pigment and an absorption colorant in which said absorption colorant is of a color which is different from the reflection color of the interference pigment or the complement thereof and in which the interference pigment and absorption colorant have the same order of magnitude of color intensity.
Claim 3
Dependent Claim
20 words
An article according to claim 1 wherein the interference pigment and absorption colorant are united to form a combination pigment.
Claim 4
Dependent Claim
19 words
An article according to claim 1 wherein the interference pigment and absorption colorant are independently dispersed in said body.
Claim 5
Dependent Claim
25 words
An article according to claim 1 wherein the absorption colorant is selected from the group consisting of iron oxide, carmine, iron blue and chrome oxide.
Claim 6
Dependent Claim
14 words
The article of claim 4 wherein the interference pigment is titanium dioxide coated mica.
Claim 7
Dependent Claim
36 words
The article of claim 4 wherein the interference pigment is titanium dioxide coated mica and the amount of absorption colorant is between about 2 and 5% by weight based on the weight of the interference pigment.
Claim 8
Dependent Claim
21 words
The article of claim 1 wherein the interference pigment exhibits a gold color and the absorption colorant exhibits a purple color.
Claim 9
Dependent Claim
23 words
The article of claim 1 wherein the interference pigment exhibits a red color and the absorption colorant exhibits a yellow or green color.
Claim 10
Dependent Claim
23 words
The article of claim 1 wherein the interference pigment exhibits a blue color and the absorption colorant exhibits a red or green color.
Claim 11
Dependent Claim
23 words
The article of claim 1 wherein the interference pigment exhibits a green color and the absorption colorant exhibits a yellow or blue color.
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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) | 1994-04-15 | 1994-10-15 | 1995-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-04-15 | 1998-10-15 | 1999-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-04-15 | 2002-10-15 | 2003-04-16 | $7700.00 | Window Closed / Lapsed |