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:
Oct. 31, 2000
Filed:
Aug. 26, 1999
Applicant:
Inventors:
Kazuyuki Hayashi, Hiroshima, JP;
Mineko Ohsugi, Hiroshima, JP;
Hiroshi Sumita, Okayama-ken, JP;
Hiroko Morii, Hiroshima, JP;
Assignee:
Toda Kogyo Corporation, Hiroshima-ken, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09C / ; C09C / ; C09C / ; C09C / ;
U.S. Cl.
CPC ...
106456 ; 106459 ; 428403 ; 423632 ; 423633 ;
Abstract
A fine yellow composite iron oxide hydroxide pigment of the present invention has an average major axial diameter of not less than 0.005 .mu.m and less than 0.1 .mu.m, which comprises: