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:
May. 05, 2020
Filed:
Jun. 29, 2016
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 61/36 (2006.01); B01D 71/26 (2006.01); B01D 71/36 (2006.01); C25B 1/46 (2006.01); C25B 15/08 (2006.01); C02F 1/44 (2006.01); C02F 101/12 (2006.01); C02F 103/38 (2006.01);
U.S. Cl.
CPC ...
C02F 1/447 (2013.01); B01D 61/364 (2013.01); B01D 71/26 (2013.01); B01D 71/36 (2013.01); C25B 1/46 (2013.01); C25B 15/08 (2013.01); B01D 2311/04 (2013.01); B01D 2313/32 (2013.01); C02F 2101/12 (2013.01); C02F 2103/38 (2013.01);
Abstract
Described is an osmotic distillation process for concentrating a liquid containing sodium chloride, and in particular a treatment process for used reaction water containing sodium chloride from the production of polymers.