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:
Feb. 26, 2008
Filed:
Nov. 22, 2002
Applicant:
Haitao Cheng, Wilmington, MA (US);
Inventor:
Haitao Cheng, Wilmington, MA (US);
Assignee:
Koch Membrane Systems, Inc., Wilmington, MA (US);
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/10 (2006.01); B01D 63/12 (2006.01); B01D 61/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention encompasses a leaf packet useful in forming a spiral filtration module, wherein the fold area of the leaf packet is reinforced with a UV cured adhesive. The invention further encompasses a spiral filtration module wherein the fold line, side seams and/or axial seams of the membranes utilized in the module are reinforced with a UV curable adhesive. The present invention further encompasses the method for making such leaf packet and such spiral filtration modules.