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:
Sep. 18, 2001
Filed:
Jul. 27, 1999
Ulrich Kalck, Münster, DE;
Joachim Woltering, Münster, DE;
Maximilian Bendix, Oelde, DE;
Heike Schuchmann, Vaihingen/Enz, DE;
Klaus Borho, Mutterstadt, DE;
Werner Weinle, Friedelsheim, DE;
Michael Schiessl, Hasslach, DE;
Sven Rück, Worms, DE;
Markus Antonietti, Marburg-Schröck, DE;
BASF Coatings AG, Muenster-Hiltrup, DE;
Abstract
The invention relates to a process for preparing an aqueous powder coating dispersion, which comprises introducing a liquid melt comprising binders and crosslinking agents and also, if desired, catalysts, auxiliaries and further additives such as devolatilizers, UV absorbers, free-radical scavengers and/or antioxidants into an emulsifying apparatus, preferably with the addition of water and stabilizers, and cooling and filtering the resultant emulsion.