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:
Nov. 14, 1978
Filed:
May. 03, 1976
Applicant:
Inventors:
Junichi Kawamoto, Aichi, JP;
Yasuo Ito, Nagoya, JP;
Akio Ito, Nagoya, JP;
Tamotsu Nakamua, Aichi, JP;
Motoyuki Nakamura, Nagoya, JP;
Yoshiaki Yamaoto, Nagoya, JP;
Koji Yonekura, Nagoya, JP;
Assignee:
Toyota Jidosha Kogyo Kabushiki Kaisha, Toyota, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B22C / ;
U.S. Cl.
CPC ...
164-4 ; 164138 ; 250302 ; 250391 ;
Abstract
The present invention relates to a refractory materials used in processing molten metals comprising combining at least one of the refractory materials selected from the group consisting of SiO.sub.2, Al.sub.2 O.sub.3, MgO, ZrO.sub.2 with an activatable element for labeling which has an activation cross section of over 1 barnand apparatus made from a plurality of differently labeled refractory components.