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:
Oct. 25, 2011
Filed:
Aug. 13, 2007
Keith Ward Hutchenson, Lincoln University, PA (US);
Anilkumar Raghavanpillai, Greenville, DE (US);
Stefan Reinartz, Wilmington, DE (US);
Keith Ward Hutchenson, Lincoln University, PA (US);
Anilkumar Raghavanpillai, Greenville, DE (US);
Stefan Reinartz, Wilmington, DE (US);
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
One aspect of the invention is a compound of formula (I)R-[L-(CHS)CHR]  (I)wherein Ris a divalent organic group having 2 to 40 carbon atoms; L is a linking group selected from —NHC(O)NH— or —C(O)NH— wherein the left side of the linking group is bonded to R; p is an integer of 0 or 1; q is an integer of 2 to 10; r is an integer of 1 to 10; and Ris a linear or branched C-Cperfluoroalkyl group. Other aspects of the invention are a composite structure comprising a porous support and a porous nanoweb comprising fibrous structures comprised of one or more compositions of formula (I) and a method for making said composite structures.