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:
Nov. 02, 1999
Filed:
Jun. 04, 1997
Applicant:
Inventors:
Alain Blanc, Saint Denis, FR;
Catherine Fontaine, Chambourcy, FR;
Assignee:
Axim, Guerville, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C04B / ;
U.S. Cl.
CPC ...
106727 ; 106808 ;
Abstract
A hydraulic-cement setting retarder included in concrete, mortars, or grouts to control setting time as a function of the retarder dosage. Specifically, the retarder is a cyclic amino resin of formula (I): ##STR1## where (a) R1 is a hydrogen atom, a hydroxymethal radial or a group of formula (II)