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:
May. 25, 2004
Filed:
Nov. 01, 2002
Applicant:
Inventors:
David Richard Corbin, West Chester, PA (US);
Henry Charles Foley, Hockessin, PA (US);
Mark Brandon Shiflett, New Castle, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 5/322 ; B01D 6/912 ; B01D 7/106 ;
U.S. Cl.
CPC ...
B01D 5/322 ; B01D 6/912 ; B01D 7/106 ;
Abstract
The invention concerns nanoporous carbon membranes which have been synthesized by pyrolysis of selected polymers on porous substrates to produce thin mixed matrix carbon film with pores for separation of small molecules.