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:
Jun. 09, 2015
Filed:
Jul. 23, 2012
Michael Herbert, Burghausen, DE;
Jochen Ring, Herxheim, DE;
Stefan Killat, Burghausen, DE;
Bernd Gerstenberger, Burghausen, DE;
Michael Herbert, Burghausen, DE;
Jochen Ring, Herxheim, DE;
Stefan Killat, Burghausen, DE;
Bernd Gerstenberger, Burghausen, DE;
WACKER CHEMIE AG, Munich, DE;
Abstract
A process for producing dispersible powders by spray-drying aqueous polymer dispersions and adding antiblocking agent, wherein antiblocking agents present in agglomerated form and having a particle size from 10 μm to 250 μm, or having a particle size from 5 mm to 5 cm in the case of agglomerates in the form of extrudates, are fed in whole or in part by a transport gas into the spray-drying device and are comminuted to a particle size from 0.01 μm to 5 μm, or, in the case of extrudates, to a particle size from 2 μm to 60 μm.