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. 27, 2018
Filed:
Nov. 06, 2014
Applicant:
Evonik Roehm Gmbh, Darmstadt, DE;
Inventors:
Dominic Stoerkle, Shanghai, CN;
Andreas Weber, Frankfurt, DE;
Johannes Vorholz, Alzenau, DE;
Melanie Jungkamp, West Lafayette, IN (US);
Marcus Denger, Brensbach, DE;
Norbert Hoffmann, Griesheim, DE;
Mona Rueppel, Hoechst, DE;
Reiner Mueller, Biebesheim, DE;
Klaus Albrecht, Mainz, DE;
Assignee:
Evonik Roehm GmbH, Darmstadt, DE;
Primary Examiner:
Int. Cl.
CPC ...
C08F 6/22 (2006.01);
U.S. Cl.
CPC ...
C08F 6/22 (2013.01); C08F 6/22 (2013.01); C08L 33/12 (2013.01);
Abstract
The present invention relates to a continuous or semi-continuous freeze coagulation process for aqueous polymer dispersions, wherein said process comprises a freezing step and a solid-liquid separation step and is further characterized in that it comprises the further step of admixing water and/or water vapor between the freezing step and the solid-liquid separation step.