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. 06, 1993
Filed:
May. 06, 1992
Applicant:
Inventors:
Wilhelm F Beckerle, Bobenheim-Roxheim, DE;
Rolf Dersch, Frankenthal, DE;
Gernot Franzmann, Bobenheim, DE;
Brigitte Gareiss, Ludwigshafen, DE;
Ludger Leber, Dannstadt-Schauernheim, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ; C08F / ; C08J / ;
U.S. Cl.
CPC ...
524510 ; 524595 ; 525136 ; 528129 ; 528150 ;
Abstract
Polymer powders which are redispersible in water and are obtainable by atomizing aqueous polymer dispersions to which from 3 to 50% by weight, based on the polymer, of a water-soluble alkali metal salt or alkaline earth metal salt of a phenolsulfonic acid/formaldehyde condensate has been added are used as additives in hydraulic binders.