| (19) |
 |
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(11) |
EP 0 813 911 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
21.04.1999 Bulletin 1999/16 |
| (43) |
Date of publication A2: |
|
29.12.1997 Bulletin 1997/52 |
| (22) |
Date of filing: 12.06.1997 |
|
| (51) |
International Patent Classification (IPC)6: B05D 5/06 |
|
| (84) |
Designated Contracting States: |
|
BE CH DE ES FR GB IT LI NL |
| (30) |
Priority: |
21.06.1996 US 21233 P
19.07.1996 US 22208 P
|
| (71) |
Applicant: Ciba Specialty Chemicals Holding Inc. |
|
4057 Basel (CH) |
|
| (72) |
Inventors: |
|
- Jaffe, Edward Ephraim
Wilmington, DE 19803 (US)
- Hilfiker, Franklin Roberts
Newark, DE 19711 (US)
- Misogianes, Milton John
Wilmington, DE 19803 (US)
|
|
| |
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| (54) |
Finishes containing light interference pigments |
(57) This application discloses two-coat and three-coat automotive finishes, articles
coated by an automotive finish and a process for their preparation wherein polychromism
is achieved in the finish by incorporating an opaque, light interference pigment into
the topcoat or a midcoat. The invention further relates to a coating composition which
contains an opaque interference pigment at a pigment to binder ratio of less than
7/100.