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:
Oct. 25, 1994
Filed:
Nov. 05, 1990
Applicant:
Inventors:
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; C08F / ;
U.S. Cl.
CPC ...
106823 ; 106808 ; 106810 ; 106819 ; 524-5 ; 525 77 ; 525 78 ; 525 79 ; 525 80 ; 525 81 ; 525 82 ; 5263171 ; 5263182 ; 5263183 ; 526319 ; 526321 ; 5263285 ; 5263297 ; 562590 ;
Abstract
An aqueous solution, for use as a cement dispersing agent, of a polymer salt, which is formed by reacting a polycarboxylic acid with a nitrogenous acrylic polymer.