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. 01, 1990
Filed:
Sep. 18, 1989
Applicant:
Inventors:
Chung-Jen Hou, So. Windsor, CT (US);
James Disbrow, Meriden, CT (US);
Kenneth C Hou, Glastonbury, CT (US);
Assignee:
Cuno, Incorporated, Meriden, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E01D / ;
U.S. Cl.
CPC ...
264 455 ; 264 48 ;
Abstract
A modified microporous membrane comprising an organic polymeric microporous membrane having microporous surfaces and having hydroxyl, mercapto, carboxyl, or amino functionality on the surfaces modified by a reactive modifying polymer having a polymer chain and having along the polymer chain epoxy or epithio functional groups capable of reacting with the functionality on the surface of the membrane and terminal neutral chemical functionality. The preferred reactive modifying polymer is made from a free radical polymerization of: