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:
May. 02, 2000
Filed:
Mar. 08, 1999
Applicant:
Inventor:
Guoyi Fu, Richmond Hill, GA (US);
Assignee:
EM Industries, Inc., Hawthorne, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106417 ; 106415 ; 106416 ; 106436 ; 106437 ; 427380 ; 4274192 ; 4274193 ; 428403 ; 428404 ;
Abstract
Disclosed herein is a method of producing pearlescent pigments comprised of a platelet substrate and a TiO.sub.2 coating, which has a rutile structure and which does not contain foreign metal species. The method entails the deposition of Ti(III), followed by the deposition of a Ti(IV), onto the platelet substrate.