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:
May. 20, 1997
Filed:
Nov. 15, 1995
Applicant:
Inventors:
Wolfgang Burger, 81825 M unchen, DE;
Klaus Lunkwitz, 01187 Dresden, DE;
Heide-Marie Buchhammer, 01237 Dresden, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ;
U.S. Cl.
CPC ...
210490 ; 21050027 ; 21050036 ; 4283157 ;
Abstract
A permanent hydrophilic modification for fluoropolymer substrates is described in which the substrate is coated with a film of a charged polyelectrolyte complex. The film has cationic and anionic components in which the charges on the components interact to form stable electrolytic bonds.