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:
Jul. 06, 1999
Filed:
Jun. 25, 1997
Applicant:
Inventors:
Mitsuo Kinoshita, Aichi, JP;
Yoshimasa Miura, Aichi, JP;
Takeshi Arashima, Aichi, JP;
Tomoo Takahashi, Aichi, JP;
Kazuhide Saito, Aichi, JP;
Assignee:
Takemoto Yushi Kabushiki Kaisha, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08K / ;
U.S. Cl.
CPC ...
526287 ; 526271 ; 5263182 ; 526320 ; 524-3 ; 524-5 ;
Abstract
Water-soluble vinyl copolymers with number average molecular weight 500-20000, having two specified repetition units at a specified molar ratio and a specified end group can serve as an effective agent for reducing a drop in the fluidity of hydraulic cement compositions.