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:
Sep. 20, 1983
Filed:
Nov. 16, 1981
Applicant:
Inventors:
Mamoru Matsunaga, Yokkaichi, JP;
Teruo Usami, Yokkaichi, JP;
Haruo Okuda, Yokkaichi, JP;
Hideo Futamata, Yokkaichi, JP;
Assignee:
Ishihara Sangyo Kaisha, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09C / ;
U.S. Cl.
CPC ...
106300 ; 1063 / ; 1063 / ; 1063 / ;
Abstract
This invention provides a titanium dioxide pigment improved in durability and dispersibility which a comprises pigmentary titanium dioxide core particle, an inner coating of hydrous oxides of tin and zirconium and an outer coating of hydrous oxide of aluminum, and a process for producing said titanium dioxide pigment.