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. 18, 2000
Filed:
Jul. 12, 1996
Applicant:
Inventors:
Tadashi Ishida, Kanagawa-ken, JP;
Yoshio Kikuta, Kanagawa-ken, JP;
Futoshi Hoshino, Tokyo, JP;
Katsunari Matsumoto, Kanagawa-ken, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525212 ; 525218 ; 525223 ;
Abstract
Disclosed herein are a (co)polymer comprising, as an essential component, a (co)polymer containing a recurring unit in a predetermined proportion, and its production process. The recurring unit contains a specific amido group and/or a particular hydroxyl group as a pendant group. This (co)polymer is generally obtained in the form of powder and features extremely easy redispersion, and is useful especially as a cement additive for improving physical properties of cement.