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:
May. 19, 2009
Filed:
Jun. 02, 2004
Applicants:
Paolo Iengo, Milan, IT;
Piero Gavezotti, Milan, IT;
Inventors:
Paolo Iengo, Milan, IT;
Piero Gavezotti, Milan, IT;
Assignee:
Solvay Solexis, S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H 17/11 (2006.01); D21H 21/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
Use for the oleo-repellent paper sizing of carboxylic perfluoropolyethers of formulaT-O—R-T  (I)wherein T=—CF—COOH or —CFCF—COOH and Ris a (per)fluoropolyoxyalkylene chain.