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:
Sep. 14, 1993
Filed:
Oct. 09, 1991
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 Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528171 ; 528172 ; 528173 ; 528174 ; 528129 ; 524-3 ; 524-4 ; 524-6 ; 524843 ; 106503 ; 106725 ; 106727 ; 106808 ; 106809 ;
Abstract
The present invention relates to aminoarylsulfonic acid-phenol-formaldehyde condensate useful for incorporation into cementing compositions, for example, mortar, cement paste and the like, for improving slumping characteristics.