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:
Oct. 08, 2013
Filed:
Jul. 27, 2012
Jacquana T. Diep, San Jose, CA (US);
Young-hye NA, San Jose, CA (US);
Ankit Vora, San Jose, CA (US);
Jacquana T. Diep, San Jose, CA (US);
Young-Hye Na, San Jose, CA (US);
Ankit Vora, San Jose, CA (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A method of photo-grafting onto a separation membrane a copolymer includes at least one of: and; For example, in Structure 1A, x≧2 and y≧1; Rand Rare independently selected from the group consisting of CHand H; Ris independently selected from the group consisting of poly(oxyalkylene), quaternary ammonium salts, pyridinium salts, sulfonium salts, sulfobetaines, carboxybetaines, alcohols, phenols, tertiary amines, aryl groups; linear, branched and cyclic alkylenes; linear, branched and cyclic heteroalkylenes; linear, branched and cyclic fluoroalkylenes; and siloxyl; Ris independently selected from the group consisting of linear, branched, and cyclic alkylenes; linear, branched and cyclic hetroalkylenes; linear, branched and cyclic fluoroalkylenes; phenyl; and siloxyl; and Zis 0 or 1.
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