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. 08, 1994
Filed:
Feb. 24, 1994
Applicant:
Inventors:
Tiziano Cerulli, Milan, IT;
Paolo Clemente, Milan, IT;
Mario Collepardi, Milan, IT;
Giorgio Ferrari, Milan, IT;
Pasquale Zaffaroni, Milan, IT;
Assignee:
MAPEI S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
106823 ; 106696 ; 106724 ; 106802 ; 106819 ; 524-2 ; 524650 ;
Abstract
A superplasticizing additive for concrete and other cementitious mixes with high retention of workability (low 'slump loss') and low air-entraining effect, is made by terpolymers of a) (meth)acrylic acid and its salts, b)polyethyleneglycolmonomethylether-(meth)acrylate and c) polypropyleneglycol-di(meth)acrylate.