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:
Jan. 20, 2009
Filed:
Feb. 13, 2002
Ralf Nickolaus, Drensteinfurt, DE;
Heinz-peter Rink, Münster, DE;
Reinhold Clauss, Steinfurt, DE;
Elisabeth Wessling, Emsdetten, DE;
Wilma Löcken, Haltern, DE;
Maximilian Bendix, Münster, DE;
Dunja Mikolajetz, Ascheberg, DE;
Ralf Nickolaus, Drensteinfurt, DE;
Heinz-Peter Rink, Münster, DE;
Reinhold Clauss, Steinfurt, DE;
Elisabeth Wessling, Emsdetten, DE;
Wilma Löcken, Haltern, DE;
Maximilian Bendix, Münster, DE;
Dunja Mikolajetz, Ascheberg, DE;
BASF Coatings AG, Munster, DE;
Abstract
An aqueous coating material, substantially or completely free from volatile organic compounds and preparable by mixing with one another (A) at least one aqueous primary dispersion comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a diameter ≦500 nm, preparable by free-radical microemulsion or miniemulsion polymerization of at least one olefinically unsaturated monomer in the presence of at least one hydrophobic additive, and (B) at least one secondary aqueous polyurethane dispersion comprising at least one polyurethane and at least one light stabilizer selected from the group of the regenerable free-radical scavengers, a process for preparing it and its use.