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. 11, 1976
Filed:
Jan. 31, 1974
Applicant:
Inventors:
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106292 ; 106297 ; 106299 ; 106300 ; 106306 ; 1062 / ;
Abstract
A white composite pigment, containing isometric rutile pigment particles and acicular modified potassium hexatitanate, is produced by reacting titanium dioxide or a titanium compound which can be converted into titanium dioxide under the reaction conditions in the presence of rutile seeds with a potassium compound which reacts basically under the reaction conditions, a mineralizer and a polyvalent metal fluoride at a temperature of about 700.degree. to 1100.degree.C.