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:
Jan. 12, 1988
Filed:
Aug. 08, 1986
Applicant:
Inventors:
Keiichiro Koba, Tochigi, JP;
Akira Matsumoto, Tochigi, JP;
Yoshito Morita, Tochigi, JP;
Tomomi Miyamoto, Fukuoka, JP;
Assignee:
Mitsui Mining Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501133 ; 501134 ; 501153 ; 501154 ;
Abstract
Disclosed herein is an alumina-base abrasion resistant material obtained by adding, as sintering agents, 0.5-4.0 parts by weight of each of TiO.sub.2 and CuO and 0.5-4.0 parts by weight of each of 3 or 4 oxides selected from the group consisting of Fe.sub.2 O.sub.3, MnO.sub.2, ZrO.sub.2 and SiO.sub.2 to 100 parts of Al.sub.2 O.sub.3 powder and then sintering the resultant raw batch.
Koba, Keiichiro. (1988). Alumina-base abrasion resistant material (U.S. Patent No. 4719188). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4719188
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile