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:
Jul. 28, 1992
Filed:
May. 17, 1991
Applicant:
Inventors:
Johan G Bitter, Amsterdam, NL;
Richard H Clark, Chester, GB;
Johannes L Den Boestert, Amsterdam, NL;
Jayantilal B Rajani, Amsterdam, NL;
Assignee:
Shell Oil Company, Houston, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C02F / ; C10G / ; B01D / ; C07C / ;
U.S. Cl.
CPC ...
2082 / ; 2083 / ; 210652 ; 210653 ; 585818 ;
Abstract
Process for reducing the metal content of a hydrocarbon feed mixture by reverse osmosis, comprising contacting the feed mixture substantially boiling in the range between about 100.degree. and about 350.degree. C. and containing at most about 1000 parts per billion by weight (ppbw) of metal(s) with a metal-selective membrane to give a hydrocarbon permeate stream having a metal content which is less.