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:
Jun. 26, 1990
Filed:
Nov. 15, 1989
Applicant:
Inventors:
Takahiro Furuhashi, Suita, JP;
Kazushige Kawada, Takarazuka, JP;
Susumu Tahara, Tsukuba, JP;
Toru Takeuchi, Tsukuba, JP;
Yuji Takahashi, Tsukuba, JP;
Toshikazu Adachi, Ibaragi, JP;
Tsutomu Teraji, Osaka, JP;
Assignee:
Fujisawa Pharmaceutical Company, Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106808 ; 106503 ; 106725 ;
Abstract
The present invention relates to aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same for incorporation in cementing composition, for example, concrete, motar, cement paste and the like, for improving slumping characteristics.