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. 19, 1985
Filed:
Mar. 18, 1983
Applicant:
Inventors:
Assignee:
Montedison S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
568677 ; 2041 / ; 2605 / ;
Abstract
Perfluoropolyether comprising, besides --CF.sub.2 -- and --CF.sub.2 F.sub.4 units, also a third fluoroalkylene unit containing three or more carbon atoms, said units being connected to each other through --O-ether bridges, and process for obtaining above said polyether, consisting in reacting a mixture of polyperoxidic perfluoropolyether and a fluorinated olefin, in the presence of U.V. radiations.