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:
Oct. 10, 1995
Filed:
Jul. 22, 1991
Applicant:
Inventor:
Kechia J Chou, Wappingers Falls, NY (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210638 ; 210640 ; 21050037 ;
Abstract
Aqueous solutions of organic oxygenates, such as ethylene glycol may be dehydrated by pervaporation through a poly(vinyl pyridine) membrane which has been quaternized and cross-linked.
Chou, Kechia. (1995). Method of dehydrating organic oxygenates (U.S. Patent No. 5456839). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5456839
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile