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. 02, 2016
Filed:
Apr. 08, 2008
Applicants:
Ugo DE Patto, Cogliate, IT;
Giuseppe Marchionni, Milan, IT;
Pier Antonio Guarda, Arese, IT;
Inventors:
Assignee:
SOLVAY SOLEXIS S.P.A., Bollate, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 43/30 (2006.01); C07C 53/46 (2006.01); C08G 65/00 (2006.01); C08G 65/322 (2006.01);
U.S. Cl.
CPC ...
C08G 65/007 (2013.01); C08G 65/322 (2013.01);
Abstract
A process for preparing perfluoropolyethers of formulaT-O—(R)-T'  (I)wherein: