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. 10, 1990
Filed:
Sep. 24, 1987
Applicant:
Inventors:
Etsuo Sakai, Ichikawa, JP;
Tutomu Kida, Machida, JP;
Yasuhito Fushii, Omuta, JP;
Yukio Sasagawa, Omuta, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106104 ;
Abstract
A hydraulic material composition having high strength contains a hydraulic material containing as main ingredients an alkaline earth metal oxide and aluminum oxide (Al.sub.2 O.sub.3), ultra-fine particles having a mean particle size smaller by one order or more than that of the hydraulic material, a metal aggregate and a plasticizer.