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:
Jan. 04, 2005
Filed:
Nov. 22, 2002
Christopher J. Kurth, St. Louis Park, MN (US);
Steven D. Kloos, Chanhassen, MN (US);
Jessica A. Peschl, Minneapolis, MN (US);
Leonard T. Hodgins, Closter, NJ (US);
Christopher J. Kurth, St. Louis Park, MN (US);
Steven D. Kloos, Chanhassen, MN (US);
Jessica A. Peschl, Minneapolis, MN (US);
Leonard T. Hodgins, Closter, NJ (US);
GE Osmonics, Inc., Minnetonka, MN (US);
Abstract
Sulfonamide polymer matrices and their various uses are disclosed. Among the uses is the configuration of the matrix with a porous support membrane to form a semipermeable membrane of the invention. The matrix of the invention is ultrathin, dense and substantially free of defects. The matrix configuration as the semipermeable membrane shows improved permeate flux and retention values.