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. 21, 2017
Filed:
Dec. 18, 2013
Applicant:
Sulzer Chemtech Ag, Winterthur, CH;
Inventors:
Halbe Jansen, Wiesendangen, CH;
Mathias Pfeil, Winterthur, CH;
Assignee:
Sulzer Chemtech AG, Winterthur, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C30B 7/00 (2006.01); B01D 9/00 (2006.01); C01B 25/234 (2006.01); C01B 25/237 (2006.01);
U.S. Cl.
CPC ...
B01D 9/0059 (2013.01); B01D 9/0036 (2013.01); B01D 9/0045 (2013.01); C01B 25/234 (2013.01); C01B 25/237 (2013.01); C01P 2006/80 (2013.01);
Abstract
A process to purify a compound comprising a suspension crystallization step and additionally comprises a layer crystallization step and a storage step of an intermediate product obtained from the layer crystallization step before to its further purification in the suspension crystallization step.