The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2012
Filed:
Oct. 31, 2007
Aaron M. Hollman, Union, KY (US);
Stephane Nicolas, Fleurines, FR;
Philippe Schottland, West Chester, OH (US);
Marguerite Debacker, Court Saint Etienne, BE;
Aurelie Antonowicz, Gembloux, BE;
Hai Hui Lin, Mason, OH (US);
Aaron M. Hollman, Union, KY (US);
Stephane Nicolas, Fleurines, FR;
Philippe Schottland, West Chester, OH (US);
Marguerite Debacker, Court Saint Etienne, BE;
Aurelie Antonowicz, Gembloux, BE;
Hai Hui Lin, Mason, OH (US);
Sun Chemical Corp., Parsippany, NJ (US);
Abstract
A pearlescent pigment comprising a substrate and a first layer, wherein the first layer comprises iron oxide, wherein the iron has from about 1% to about 30% Fe(II) and from about 70% to about 99% Fe(III). A process for making these pearlescent pigment, comprise reducing a metal oxide substrate with a hydrogen source in the presence of a noble metal catalyst in a liquid medium. The pigments may be used in a variety of applications including cosmetics, plastics, automotive, or architectural coatings.