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. 12, 2002
Filed:
Mar. 17, 1999
Applicant:
Inventors:
Philippe Perrona, Montluel, FR;
Lionel Sever, Lyons, FR;
Assignee:
Rhodia Fiber & Resin Intermediates, Courbevoie Cedex, FR;
Primary Examiner:
Int. Cl.
CPC ...
B01D 6/100 ;
U.S. Cl.
CPC ...
B01D 6/100 ;
Abstract
A method for filtering a three phase reaction mixture comprising a liquid phase, an undissolved solid catalytic phase and a gas phase includes tangentially filtering through a membrane filter at least part of the three phased reaction mixture, and recycling the catalyst while recuperating at least part of the filtrate comprising the reaction products.