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. 04, 2007
Filed:
Dec. 17, 2004
Applicant:
Deborah DE LA Cruz, Vista, CA (US);
Inventor:
Deborah De La Cruz, Vista, CA (US);
Assignee:
GE Osmonics, Inc., Minnetonka, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/10 (2006.01); B01D 61/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for preventing osmotic blistering in spirally-wound elements of semipermeable membrane sheet material () by applying an effective coating of a sealant () to the upstream surface of such membrane material in regions where such potential for blistering exists and thereby preventing the permeation of liquid into the surface of the semipermeable membrane in these regions.