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:
Apr. 17, 1990
Filed:
Sep. 26, 1988
Applicant:
Inventors:
Assignee:
Toda Kogyo Corp., Hiroshima, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428403 ; 42840224 ; 428404 ; 428928 ; 428937 ; 252519 ;
Abstract
Disclosed herein are electroconductive iron oxide particles having a volume resistivity less than 5.times.10.sup.6 .OMEGA.-cm, and comprising iron oxide particles selected from hematite and maghemite, and SnO.sub.2 particles containing Sb as a solid solution deposited on the surfaces of the iron oxide particles, and a process for producing the same.