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. 13, 2001
Filed:
May. 22, 1998
Applicant:
Inventors:
Peter Konstantin, Neunkirchen, DE;
Oscar-Werner Reif, Hannover, DE;
Jürgen Rupp, Göttingen, DE;
Peter Soelkner, Göttingen, DE;
Assignee:
Sartorius AG, Gottingen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 2/900 ;
U.S. Cl.
CPC ...
B01D 2/900 ;
Abstract
The hydrophilicity of porous separation membranes is maintained by bonding the membranes to thermoplastic fiber substrates at least on their peripheries before the membrane peripheries are sealed in a thermoplastic resin. The membranes are capable of being integrity tested.