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. 12, 1999
Filed:
Aug. 07, 1997
Applicant:
Inventors:
Assignee:
Competitive Technologies of PA, Inc., Bethlehem, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K / ; B05D / ;
U.S. Cl.
CPC ...
522 83 ; 528503 ; 524 81 ; 522 84 ; 522 86 ; 522146 ; 522162 ; 427444 ; 427532 ; 427539 ; 427542 ; 427553 ; 427581 ; 427595 ;
Abstract
A method is disclosed for modifying a fluoropolymer including the following steps: providing a fluoropolymer surface, adding a solution including a a reactive species to the fluoropolymer surface, and exposing the reduced fluoropolymer surface to ultraviolet radiation in the presence of ozone or oxygen. The method reduces the discoloration of the fluoropolymer.