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:
Mar. 13, 2001
Filed:
Apr. 27, 1999
Wolfgang Bremser, Münster, DE;
Frank Strickmann, Steinfurt, DE;
Günther Ott, Münster, DE;
Karl-Heinz Grosse-Brinkhaus, Notuln, DE;
BASF Coatings AG, Muenster-Hiltrup, DE;
Abstract
The invention relates to aqueous dispersions. They are obtainable by polymerizing an ethylenically unsaturated monomer or a mixture of ethylenically unsaturated monmers [sic] in an aqueous solution of an at least partially protonated epoxide-amine adduct. It is characterized in that the epoxide-amine adduct is for its part obtainable by reacting (A) a glycidyl ether of a polyphenol that contains on statistical average at least one epoxide group in the molecule, or a mixture of such glycidyl ethers, (B) a polygycidyl [sic] ether of a polyol that contains on statistical average more than 1.0 epoxide groups in the molecule, or a mixture of such polyglycidyl ethers, and (C) a compound that contains a primary amino group in the molecule, or a mixture of such compounds, to give the epoxide-amine adduct, components (A) and (B) being employed in a ratio of equivalents of from 1.0:0.5 to 1.0:8.0 and from 0.3 to 0.7 mol of component (C) being employed per equivalent of epoxide groups of (A) and (B).