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. 29, 1977
Filed:
Mar. 31, 1976
Applicant:
Inventors:
Yutaka Harada, Musashino, JA;
Noriyuki Itai, Musashino, JA;
Hiroshi Ucikawa, Funabashi, JA;
Hajime Kato, Yokohama, JA;
Katutoshi Sato, Adachi, JA;
Akira Itoh, Adachi, JA;
Assignees:
Japanese National Railways, Tokyo, JA;
Onoda Cement Company Limited, Yamaguchi, JA;
Nichireki Chemical Industry Company Limited, Tokyo, JA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106 90 ; 106 94 ; 106 96 ; 106104 ; 106314 ; 106315 ; 260 / ; 260 / ; 260 / ; 260 / ; 260745 ;
Abstract
This invention relates to a super rapid hardening mixture comprising