Invention Grant
- Patent Title: Multi-colored lustrous pearlescent pigments
- Patent Title (中): 多色光泽珠光颜料
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Application No.: US11931534Application Date: 2007-10-31
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Publication No.: US08349067B2Publication Date: 2013-01-08
- Inventor: Aaron M. Hollman , Stephane Nicolas , Philippe Schottland , Marguerite Debacker , Aurelie Antonowicz , Hai Hui Lin
- Applicant: Aaron M. Hollman , Stephane Nicolas , Philippe Schottland , Marguerite Debacker , Aurelie Antonowicz , Hai Hui Lin
- Applicant Address: US NJ Parsippany
- Assignee: Sun Chemical Corp.
- Current Assignee: Sun Chemical Corp.
- Current Assignee Address: US NJ Parsippany
- Agency: McKenna Long & Aldridge LLP
- Main IPC: C09C1/00
- IPC: C09C1/00 ; C09C1/22 ; A61K8/00 ; A61K8/18 ; A01N59/16

Abstract:
A pearlescent pigment, wherein the pigment is an inorganic material and the color of a homogeneous coating of the pigment, measured over a white background, is selected from the group consisting of: a CIELAB L* value of about 30 or less and a chroma value of about 3 or less; a CIELAB hue angle, hab, from about 50 to about 80 degrees, wherein L* is not more than about 85, and the chroma value is greater than 22; a CIELAB hue angle, hab, from about 80 to about 275 degrees, wherein L* is not more than about 80, and the chroma value is greater than about 10; and a CIELAB hue angle, hab, from not less than about 275 to not more than about 50 degrees, wherein L* is not more than about 85, and the chroma value is greater than about 9. The pigments may be used in a variety of applications including cosmetics, plastics, automotive, or architectural coatings.
Public/Granted literature
- US20080115694A1 Multi-Colored Lustrous Pearlescent Pigments Public/Granted day:2008-05-22
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