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:
Nov. 15, 2022
Filed:
May. 31, 2017
Evonik Specialty Chemicals (Shanghai) Co., Ltd., Shanghai, CN;
Evonik Specialty Chemicals (Shanghai) Co., Ltd., Shanghai, CN;
Abstract
The invention relates to a process and apparatus for separation of gas mixtures with reduced maintenance costs. The process and the apparatus consist of a feed stream separation stage (), and a retentate separation stage (), of which both are membrane separation stages, wherein the first retentate stream () is heated to temperature higher than the temperature of the feed stream (), before it is introduced to the retentate separation stage (), and the total capacity of the membranes used in the retentate separation stage () is higher than the total capacity of the membranes used in the feed stream stage ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile