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:
Aug. 02, 1994
Filed:
Jul. 07, 1993
Applicant:
Inventors:
Markus A Schafheutle, Hochheim, DE;
Heinz-Peter Klein, Mainz, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
528 71 ;
Abstract
Polyurethane dispersions, obtained by reacting an ionic polyester polyol, polycarbonate polyol or polyether polyol or mixture thereof with a polyisocyanate or mixtures of polyisocyanates. Such polyurethane dispersions, whose special feature is that the ionic groups are present in the polyol required for synthesizing the polyurethane molecule, are suitable in particular as binders for coatings, adhesives or printing inks.