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. 04, 2000
Filed:
Apr. 20, 1998
Applicant:
Inventors:
Didier Martin, Givry, FR;
Oliver J Poncelet, Chalon sur Saone, FR;
Jeannine Rigola, Chalon sur Saone, FR;
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
210653 ; 210650 ; 210651 ; 210652 ; 210638 ; 2103216 ; 210490 ; 2102572 ; 21032175 ; 21050028 ; 21050025 ; 21050026 ;
Abstract
The present invention concerns a separative membrane, as well as a separation device containing this membrane, and a method for using this device. The membrane of the present invention comprises a support, the hydrophobicity of one of whose faces has been modified, the opposite face having an active layer comprising an inorganic hydrogel material and an ion carrier. This membrane has improved selectivity.