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:
Apr. 12, 2016
Filed:
Jun. 30, 2014
Applicant:
Pall Corporation, Port Washington, NY (US);
Inventors:
Lixiang Xiao, Huntington Station, NY (US);
Hassan Ait-Haddou, Melville, NY (US);
Frank Onyemauwa, Pace, FL (US);
Assignee:
Pall Corporation, Port Washington, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 9/06 (2006.01); C08J 9/00 (2006.01);
U.S. Cl.
CPC ...
C08J 9/0061 (2013.01); C08J 2301/12 (2013.01); C08J 2381/06 (2013.01);
Abstract
Disclosed is a porous membrane comprising a cellulosic material and a copolymer of the formula: A-B-A (I) or A-B (II), wherein block A, for example, polyglycerol, a polymer of allyl glycidyl ether, or a copolymer of glycidol and allyl glycidyl ether, or a polymer of allyl glycidyl ether or a copolymer of glycidol and allyl glycidyl ether wherein one or more allyl groups having been replaced by hydrophilic groups. Also disclosed is a method for preparing such a membrane.