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:
Feb. 16, 1993
Filed:
Oct. 10, 1991
Applicant:
Inventors:
James A Mchenry, Washington, NJ (US);
Harry W Deckman, Clinton, NJ (US);
Wen-Yih F Lai, Fair Lawn, NJ (US);
Michael G Matturro, Lambertville, NJ (US);
Allan J Jacobson, Houston, TX (US);
Jack W Johnson, Clinton, NJ (US);
Assignee:
Exxon Research and Engineering Company, Florham Park, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
21032175 ; 21032184 ; 21050025 ; 21050026 ; 264 451 ;
Abstract
The present invention provides a novel, porous, composite membrane comprising a metallic support having large pores and a microporous ceramic membrane deposited on the support and integral therewith. Preferably, the support is steel having pores in the range of from about 0.25 .mu.m to about 50 .mu.m and the ceramic membrane is alumina having pores ranging from about 5 .ANG.to about 2500 .ANG..