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:
Sep. 06, 2005
Filed:
Aug. 09, 2002
Applicants:
Aldo Sanguineti, Milan, IT;
Andrea Perego, Milan, IT;
Inventors:
Aldo Sanguineti, Milan, IT;
Andrea Perego, Milan, IT;
Assignee:
Solvay Solexis S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D003/02 ;
U.S. Cl.
CPC ...
Abstract
An impregnation process of a porous support including immersing the support in an aqueous colloidal dispersion of ionomeric (per)fluorinated polymer, containing suiphonyl fluoride groups and having a concentration greater than 15% by weight, thermal treatment at 200° C. or less, conversion of the ionomer sulphonyl groups into the corresponding salts, ionomer crosslinking when ionomer equivalent weight is less than 650 g/eq.