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. 25, 1992
Filed:
Oct. 07, 1991
Applicant:
Inventors:
Mordechai Pasternak, Spring Valley, NY (US);
Uygur Kokturk, Poughkeepsie, NY (US);
Mitri S Najjar, Wappingers Falls, NY (US);
Raymond D Malouf, Beacon, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210640 ; 21032172 ; 21050025 ; 21050026 ; 21050027 ; 264 451 ;
Abstract
Charge compositions containing aqueous mixtures of organic oxygenates may be separated by pervaporation through a membrane assembly containing a porous ceramic support bearing as separating layer, a membrane of cured polyvinyl alcohol which has been cross-linked as with glutaraldehyde.