E.i. Dupont De Nemours and Company

The Chemours Company Fc, LLC

The Penn State Research Foundation

Allison Mary Yake

Sheng Peng

Xianjun Meng

Peter Michael Murphy

Anilkumar Raghavanpillai

Jason D Feick

Michael Henry Ober

Roman B Larichev

Darrell Velegol

Cheryl Lynn Iaconelli

Cheryl Lynn Casper

Charles E Snyder

Kathleen L Kanetsky

The present invention comprises fluorinated ethoxylated polyurethanes of formula [R&#x2014;(X)&#x2014;(CHCHR&#x2014;O)&#x2014;CHCH&#x2014;O&#x2014;C(O)&#x2014;NH]-A, wherein Ris a Cto Cperfluoroalkyl; X is a divalent radical; n is 0 or 1; R1 is H or Cto Calkyl; m is 1 to 20; p is a positive integer of at least 2; and A is the residue of a polyisocyanate, and methods for altering surface behavior of liquids using such compounds.

Fluorinated ethoxylated polyurethanes

This invention is directed to a composition capable of imparting surface effects to a liquid by contacting the liquid with a partially fluorinated phosphate with an ammonium cation (NHRR)wherein Rand Rare independently linear or branched organic groups containing at least one carboxylate moiety and one amino moiety, and optionally be substituted, interrupted, or both with oxygen, sulfur, or nitrogen-containing moieties, or with cyclic alkyl or aryl moieties containing up to 10 carbon atoms.

Fluorophosphate surfactants

The present invention relates to a compound of formula (1), or mixtures thereof: wherein R, X, Y, A, p, m, n, r, q, x, M, R, R, Z, a, and Rare defined herein; wherein at least one of p or m is a positive integer; provided that, when q is 0, r is (3&#x2212;x), and when q is 1, r and x are each 1; provided that, if n is greater than 2, then p is 1; provided that, if m is 0 then Y is a single bond, and if m is a positive integer then Y is 0; and provided that when Ris greater than 8 carbons, the ratio of hetero atoms to carbon atoms is at least 1:2.

Partially fluorinated phosphates

A composition comprising a fluorinated pyridinium cationic compound of formula (I) wherein

Fluorinated cationic surfactant

The present invention comprises a compound of a compound of Formula 1 wherein

Urethane and urea fluorosurfactants

A fluorinated pyridinium cationic compound of formula (I) wherein,

Fluorinated vinylidene cationic surfactant

A compound of Formula 1R-A-OP(O)(OM)(OROH)&#x2003;&#x2003;Formula 1wherein

Phosphate surfactants

Particles having a non-uniform property, such as non-uniform charge, can be used to form complex yet controlled particle assemblies. In one method of fabrication, particles are located on a substrate, and a surface treatment applied to the exposed portion of the particle surface. The surface treatment modifies the particle properties within the exposed portion. One or more lithographed regions are not exposed to the surface treatment, providing spatial selectivity in inter-particle bonding after the particles are removed from the substrate.

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Landenberg, PA, United States of America

Allison Mary Yake