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. 26, 2011
Filed:
Aug. 25, 2008
Yanshi Zhang, Shaker Heights, OH (US);
Gary William Yeager, Rexford, NY (US);
Hongyi Zhou, Niskayuna, NY (US);
Daniel Steiger, Bedminster, NJ (US);
Yanshi Zhang, Shaker Heights, OH (US);
Gary William Yeager, Rexford, NY (US);
Hongyi Zhou, Niskayuna, NY (US);
Daniel Steiger, Bedminster, NJ (US);
General Electric Company, Niskayuna, NY (US);
Abstract
A method for making a polysulfone having zwitterionic functionality comprising reacting a piperazine amine functionalized polysulfone with sultone is described as are blends with other polymers. Membranes containing polysulfones having zwitterionic functionality are also provided. Membranes thus formed are used in hemodialysis, hemofiltration, and water purification.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile