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:
Dec. 31, 2013
Filed:
Jun. 20, 2012
Hua Wang, Clifton Park, NY (US);
David Allen Olson, Minneapolis, MN (US);
Jiang Ji, North Billerica, MA (US);
Michael Todd Luttrell, Clifton Park, NY (US);
Gary William Yeager, Rexford, NY (US);
Joseph Anthony Suriano, Clifton Park, NY (US);
Lawrence Charles Costa, Mansfield, MA (US);
Hua Wang, Clifton Park, NY (US);
David Allen Olson, Minneapolis, MN (US);
Jiang Ji, North Billerica, MA (US);
Michael Todd Luttrell, Clifton Park, NY (US);
Gary William Yeager, Rexford, NY (US);
Joseph Anthony Suriano, Clifton Park, NY (US);
Lawrence Charles Costa, Mansfield, MA (US);
General Electric Company, Niskayuna, NY (US);
Abstract
Improved methods for reducing boron concentration in seawater or brackish water, while simultaneously maintaining or improving the salt rejection of membrane and flow performance of polyamide reverse osmosis (RO) membranes include contacting the water with a composite membrane comprising moieties derived from an aromatic sulfonyl halide, a heteroaromatic sulfonyl halide, a sulfinyl halide; a sulfenyl halide; a sulfuryl halide; a phosphoryl halide; a phosphonyl halide; a phosphinyl halide; a thiophosphoryl halide; a thiophosphonyl halide, an isocyanate, a urea, a cyanate, an aromatic carbonyl halide, an epoxide or a mixture thereof.