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:
Aug. 02, 2022
Filed:
Mar. 09, 2020
Applicant:
Novomer, Inc., Rochester, NY (US);
Inventor:
Keith Dackson, East Aurora, NY (US);
Assignee:
Novomer, Inc., Rochester, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/22 (2006.01); C07D 305/12 (2006.01); B01D 61/24 (2006.01); B01D 63/02 (2006.01); B01D 63/08 (2006.01);
U.S. Cl.
CPC ...
C07D 305/12 (2013.01); B01D 61/246 (2013.01); B01D 63/02 (2013.01); B01D 63/082 (2013.01); B01D 2311/13 (2013.01); B01D 2311/16 (2013.01);
Abstract
Provided herein are membrane separation systems and methods suitable for use in separating carbonylation catalyst from a beta-lactone product stream. Such membrane separation systems utilize a cross flow separation technique and employ a sweep stream.