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:
Mar. 21, 2000
Filed:
Jun. 10, 1997
Applicant:
Inventors:
Tatiana Temtchenko, Alessandria, IT;
Massimo Malavasi, Milan, IT;
Assignee:
Ausimont S.p.A., Milan, IT;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 70 ; 528 45 ; 4273881 ; 4273882 ; 4273883 ; 4284258 ;
Abstract
Use of crosslinked polymers for coil coating based on perfluoropolyethereal polymers, comprising as repeating units sequences of one or more oxyfluoroalkylenic units such as --CF.sub.2 CF.sub.2 O--, --CR.sub.4 R.sub.5 CF.sub.2 CF.sub.2 O-- wherein R.sub.4 and R.sub.5 equal to or different from each other are chosen among H, Cl, F or perfluoroalkyl from 1 to 4 carbon atoms, --CF.sub.2 CF(CF.sub.3)O--, --CFYO--, wherein Y is equal to F or CF.sub.3, having hydroxylic bifunctional termination, crosslinking being carried out with blocked polyisocyanates having at least 3 NCO groups.