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:
Mar. 19, 2002
Filed:
Dec. 07, 1999
Applicant:
Inventors:
Assignee:
Taiheiyo Cement Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 2/412 ; C04B 2/416 ; C04B 2/802 ;
U.S. Cl.
CPC ...
C04B 2/412 ; C04B 2/416 ; C04B 2/802 ;
Abstract
New alkanolamine additives for improving the compressive strength, etc. of set cementitious compositions such as Portland cement concrete are described as having at least one alkanolamine or the salt thereof containing at least one alkanol group, and at least one ionic functional group other than hydroxyl group.