Paul J Resnick, 48101 Montgomery Dr, Harleysville, PA 19438

6620899, Sep 16, 2003

Apr 9, 2001

09/807253

Peter Arnold Morken - Wilmington DE
Paul R. Resnick - Cary NC
Lin Wang - Hockessin DE

E. I. du Pont de Nemours and Company - Wilmington DE

C08F13004

526240, 526120, 526243

This invention pertains to olefins having a terminally disposed fluorocyclobutyl ring bearing a sulfonyl, sulfonic acid or sulfonate salt, a process for the production thereof, and polymers, especially ionomers, formed therefrom. The invention further pertains to ionically conductive compositions formed by the combination of a liquid and the ionomer of the invention, and electrochemical devices such as electrodes, sensors, and solid polymer electrolytes comprising those conductive compositions. The polymers of the invention arc useful in the formation of films and coatings with high chemical resistance and good physical properties. The ionomers of the invention are useful in electrochemical applications, particularly in lithium batteries. The polymeric compositions of the invention are useful for strong acid catalysis, such as Friedel-Crafts alkylation.

6703533, Mar 9, 2004

Nov 21, 2001

09/979783

Gennadii Gerskovich BelenKii - Moscow, RU
Viacheslav Alexandrovich Petrov - Hockessin DE
Sergei ArnolDovich Postovoi - Moscow, RU
Paul Raphael Resnick - Cary NC
Yurii Vilovich Zeifman - Moscow, RU

E. I. du Pont de Nemours and Company - Wilmington DE

C07C 1700

570156, 570136

A process is disclosed for producing (CF ) C CH , CF CH CF , CF C(CF )OCF CHF and C H C(CF ) CF. The process involves contacting the corresponding fluorocarbon starting material selected from (CF ) CFCH F, (CF ) CHF, (CF ) CFOCF CHF and C H CF(CF ) , in the vapor phase, with a defluorination reagent selected from carbon, copper, iron nickel and zinc at an elevated temperature of at least 300 Â C.

7071346, Jul 4, 2006

May 1, 2003

10/427542

Peter Arnold Morken - Wilmington DE, US
Paul R. Resnick - Cary NC, US
Lin Wang - Hockessin DE, US

E. I. du Pont de Nemours and Company - Wilmington DE

C07C 301/00

558 59, 526240, 526243, 558 61

This invention concerns olefins having a terminally disposed fluorocyclobutyl ring bearing an ionic functionality or a precursor thereto, a process for the production thereof, and polymers formed therefrom.

7087788, Aug 8, 2006

Aug 11, 2004

10/916355

Allen C. Sievert - Elkton MD, US
Mario J. Nappa - Newark DE, US
Velliyur Nott Mallikarjuna Rao - Wilmington DE, US
Paul R. Resnick - Cary NC, US

E.I. du Pont de Nemours and Company - Wilmington DE

C07C 315/00
C07C 317/00

568 35, 568 32, 568 28

The present invention relates to new fluorosulfone compounds. These fluorosulfone compounds have utility in preventing, controlling and extinguishing fire.

7301059, Nov 27, 2007

Mar 22, 2007

11/726449

Victor Filippovich Cherstkov - Moscow, RU
Nina Ivanova Delyagina - Moscow, RU
Viacheslav A. Petrov - Hockessin DE, US
Weiming Qiu - Wilmington DE, US
Paul R. Resnick - Cary NC, US

E.I. du Pont de Nemours and Company - Wilmington DE

C07C 19/08
C07C 21/18
C07C 23/00

570124

Hexafluoroisobutylene and its higher homologs are easily reacted with SOto give fluorosulfates of the formula CH═C(R)CFOSOF, wherein R is a linear branched or cyclic fluoroalkyl group comprised of 1 to 10 carbon atoms and may contain ether oxygen. These compounds react under mild conditions with many nucleophiles to give CH═C(R)CFX, where X is derived from the nucleophile. This reaction provides a route to many substituted hexafluoroisobutylenes, which copolymerize easily with other fluoro- and hydrocarbon monomers such as vinylidene fluoride and ethylene.

2005005, Mar 10, 2005

Aug 11, 2004

10/916360

Allen Sievert - Elkton MD, US
Mario Nappa - Newark, DE
Valliyur Rao - Wilmington, DE
Paul Resnick - Cary NC, US

A62D001/00

252002000

The present invention relates to methods of using fluorosulfones for i) extinguishing fire by applying to the fire such a fluorosulfone, ii) preventing fire in an air-containing enclosed area containing combustible materials by introducing into the area such a fluorosulfone and maintaining the fluorosulfone in an amount sufficient to suppress combustion of combustible materials in the enclosed area, and iii) reducing or eliminating the flammability of a flammable working fluid, by mixing between about 0.1 to about 99 percent by weight of such a fluorosulfone with the flammable working fluid.

5286825, Feb 15, 1994

Jun 14, 1993

8/076063

Douglas R. Anton - Claymont DE
William B. Farnham - Hockessin DE
Ming-Hong Hung - Wilmington DE
Ronald J. McKinney - Wilmington DE
Paul R. Resnick - Wilmington DE

E. I. Du Pont de Nemours and Company - Wilmington DE

C08F22400

526247

Partially fluorinated compounds of specified formulas that are useful as chemical intermediates and monomers are disclosed. Partially fluorinated polymers prepared from one of these compounds are also disclosed. Fluoro-2,2-dimethyldioxolanes and copolymers thereof are further disclosed.

5353368, Oct 4, 1994

Nov 9, 1993

8/149402

Paul R. Resnick - Wilmington DE

E. I. Du Pont de Nemours and Company - Wilmington DE

G02B 600

385145

An optical fiber cladding made of copolymers of perfluoro( 1,3 -dimethyl-2,2-dioxole) with perfluoro(butenyl vinyl ether) and, optionally, with a third comonmer are amorphous in all monomer proportions, and soluble in perfluoro(2-butyl tetrahydrofuran). Dipolymers of the present invention have lower glass transition temperatures than dipolymers of perfluoro(1,3-dimethyl-2,2-dioxole) with tetrafluoroethylene having the same monomer proportions.