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. 02, 2021
Filed:
Dec. 04, 2018
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Assignee:
EVONIK OPERATIONS GMBH, Essen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11B 9/02 (2006.01); B01D 61/02 (2006.01); B01D 69/14 (2006.01); B01D 71/70 (2006.01);
U.S. Cl.
CPC ...
C11B 9/025 (2013.01); B01D 61/027 (2013.01); B01D 69/141 (2013.01); B01D 71/70 (2013.01); C11B 9/022 (2013.01);
Abstract
The present disclosure in general relates to a process for (1) reducing impurities, i.e. undesirable natural components such as waxes and undesirable synthetic materials such as agrochemicals and other environmental pollutants, or (2) fractionation of natural components present in an essential oil using at least one selective membrane.