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:
Jan. 13, 2009
Filed:
May. 19, 2005
Martial Jean-jacques Pabon, Neauphlette, FR;
Romain Severac, La Roche Guyon, FR;
Emmanuel Abel Jean-mark Puchois, Epone, FR;
Matthieu Perdon, Seraincourt, FR;
Martial Jean-Jacques Pabon, Neauphlette, FR;
Romain Severac, La Roche Guyon, FR;
Emmanuel Abel Jean-Mark Puchois, Epone, FR;
Matthieu Perdon, Seraincourt, FR;
E.I. DuPont De Nemours, Wilmington, DE (US);
Abstract
A composition useful to provide oil repellency, water repellency, and stain resistance to substrates comprising a polymer prepared by contacting a polyfluoroalkyl sulfonyl halide with a compound of Formula II, III or IV(E-(O))Si—O—(Si(R)—O)—[Si(R—NHR)(R)O]—Si—((O)-E)  Formula IIHRN—R—Si(R)—O—[Si(R)—O]—[Si(R—NHR)(R)O]—Si(R)—R—NHR  Formula IIIHRN—R—Si(R)—O—[Si(R)—O]—Si—((O)-E)  Formula IVwherein