Inventor

Paul R. Resnick

Inventor

Wilmington, DE, US

Overview

1976–2013

Patent span

Chemistry

Primary field (CPC C)

Patents· 72 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C08Fprimary

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds22%

C07CAcyclic or carbocyclic compounds22%

C07DHeterocyclic compounds8%

C08JWorking-up8%

Y10TTechnical subjects covered by former us classification7%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals4%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%

G02BOptical elements, systems or apparatus3%

B01DSeparation3%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%

PatentTitleYear

8,444,899'Methods and materials for fabricating microfluidic devices'2013 8,158,728'Methods and materials for fabricating microfluidic devices'2012 7,579,499'Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives'2009 7,531,689'Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives'2009 7,301,059'Fluorosulfates of hexafluoroisobutylene and its higher homologs and their derivatives'2007 7,276,624'Fluorosulfates of hexafluoroisobutylene and its higher homologs'2007 7,087,788'Fluorosulfone compounds'2006 7,071,346'Polymers, containing a fluorocyclobutyl ring and their preparation'2006 6,703,533'Preparation of selected fluoroolefins'2004 6,620,899'Polymers, containing a fluorocyclobutyl ring and their preparation'2003 6,388,139'Production of perfluoro (alkyl vinyl) ethers'2002 6,184,426'Addition of hydrofluorocarbons to fluoroolefins'2001 5,910,615'Producing CF.sub.3 CH.sub.2 CF.sub.3 and/or CF.sub.3 CH=CF.sub.2 by the conversion of .alpha.-hydroperfluoroisobutyric acid compounds'1999 5,777,179'Co-production of perfluoromethyl perfluorovinyl ether and perfluoroethyl perfluorovinyl ether'1998 5,597,323'RF connector jack and plug assembly'1997 5,594,159'Producing CF.sub.3 CH.sub.2 CF.sub.3 and/or CF.sub.3 CH.dbd.CF.sub.2 by the conversion of alpha-hydroperfluoroisobutyric acid compounds'1997 5,523,422'Monomer precursor isomerization'1996 5,516,946'Producing CF.sub.3 CH.sub.2 CF.sub.3 and/or CF.sub.3 CH=CF.sub.2 by the conversion of fluorinated ethers'1996 5,475,165'Trifluoromethylation process'1995 5,420,368'Production CF.sub.3 CH.sub.2 CF.sub.3 and/or CF.sub.3 CH.dbd.CF.sub.2 by the conversion of fluorinated ethers'1995 5,410,095'Process for the production of pentaflourodimethyl ether'1995 5,408,020'Copolymers of perhalo-2,2-di-loweralkyl-1,3-dioxole, and perfluoro-2-methylene-4-methyl-1,3-dioxolane'1995 5,354,910'Functional fluoropolymers'1994 5,353,368'Optical fiber comprising a cladding made of amorphous copolymers of two fluorinated ring monomers'1994 5,338,608'Amorphous copolymers of two fluorinated ring monomers'1994 5,334,731'Polyhalodihydrodioxins and polyhalodioxoles'1994 5,326,839'Amorphous copolymers of two fluorinated ring monomers'1994 5,324,889'Amorphous copolymers of two fluorinated ring monomers'1994 5,322,453'RF connector jack and plug assembly'1994 5,310,838'Functional fluoropolymers'1994 5,286,825'Partially fluorinated compounds and polymers'1994 5,286,824'Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes'1994 5,276,121'Amorphous copolymers of two fluorinated ring monomers'1994 5,214,167'Epoxides and their preparation'1993 5,182,342'Hydrofluorocarbon solvents for fluoromonomer polymerization'1993 5,177,224'Process for the preparation of halogenated 2,2-bis(trifluoromethyl)-1,3-dioxolanes'1993 5,068,472'Multistep synthesis of hexafluoropropylene'1991 5,043,491'Multistep synthesis of hexafluoropropylene'1991 5,026,801'Polyhalodihydrodioxins and polyhalodioxoles'1991 5,011,954'Epoxides and their preparation'1991 4,675,453'Process and intermediates for fluorinated vinyl ether monomer'1987 4,594,399'Cyclic monomers derived from trifluoropyruvate esters, amended to polymers and polymer films from dioxoles'1986 4,590,015'Fluorinated polyether carboxylic acid fluorides'1986 4,567,003'2,3-Dibromo-pentafluoropropyl fluorosulfate'1986 4,565,855'Polymers of dioxolanes'1986 4,556,747'Fluorinated vinyl ethers, copolymers thereof, and precursors thereto'1985 4,544,458'Fluorinated ion exchange polymer containing carboxylic groups, process for making same, and film and membrane thereof'1985 4,526,948'Fluorinated vinyl ethers, copolymers thereof, and precursors thereto'1985 4,496,750'Cyclic monomers derived from trifluoropyruvate esters'1985 4,487,668'Fluorinated ion exchange polymer containing carboxylic groups, and film and membrane thereof'1984 4,474,899'Process for preparing ester fluorinated ion exchange polymer precursor by acid treatment of ether'1984 4,454,247'Ion exchange membranes'1984 4,446,269'Solvents of carboxyl ester compounds and fluoropolymers'1984 4,440,917'Vinyl ethers monomers and polymers therefrom'1984 4,437,951'Membrane, electrochemical cell, and electrolysis process'1984 4,429,143'Cyclic monomers derived from trifluoropyruvate esters'1984 4,414,159'Vinyl ether monomers and polymers therefrom'1983 4,414,280'Membranes and composites from fluoropolymer solutions'1983 4,390,720'Alkyl-.omega.-fluoroformyl ester and process'1983 4,360,601'Process for extraction of fluorinated copolymers with fluorocarbons'1982 4,348,310'Solutions of sulfonyl fluoride compounds and fluoropolymers'1982 4,345,092'Process for alkyl perfluoro(4,7-dioxa-5-methyl-8-fluoroformylnonanoate'1982 4,334,082'Dialkyl perfluoro-.omega.-fluoroformyl diesters and monomers and polymers therefrom'1982 4,267,364'Fluorinated ion exchange polymer containing carboxylic groups, process for making same, and film and membrane thereof'1981 4,255,240'Ion-exchange structures of copolymer blends'1981 4,176,215'Ion-exchange structures of copolymer blends useful in electrolytic cells'1979 4,113,585'Method and apparatus for electrolysis of alkali or alkaline earth metal halide'1978 4,085,071'Ion exchange polymer film, consisting of fluorinated polymer with N-monosubstituted sulfonamido groups method and apparatus for electrolysis of alkali or alkaline earth metal halide'1978 4,081,467'Catalytic dimerization of hexafluoropropylene epoxide to form perfluoro-2-(n-propoxy) propionyl fluoride'1978 4,081,466'Catalytic reaction of hexafluoropropylene epoxide with a ketone or acid fluoride'1978 RE029534'Purification of perfluorosulfonyl fluoride perfluorovinyl ethers by thermal decomposition of unstable isomers'1978 3,978,030'Polymers of fluorinated dioxoles'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2009Patents assigned to DU PONT (66)· patent assignee history

1976–1997Based in Wilmington, DE, US· patent location history

1994Based in Boxborough, MA, US· patent location history

1997Based in Roxborough, MA, US· patent location history

1998–2013Based in Cary, NC, US· patent location history

2012–2013Patents assigned to DESIMONE JOSEPH M (2)· patent assignee history

2012–2013Patents assigned to RESNICK PAUL (2)· patent assignee history

2012–2013Patents assigned to ROLLAND JASON P (2)· patent assignee history

2012–2013Patents assigned to ROTHROCK GINGER M DENISON (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DU PONT	66	1976–2009
DESIMONE JOSEPH M	2	2012–2013
RESNICK PAULself	2	2012–2013
ROLLAND JASON P	2	2012–2013
ROTHROCK GINGER M DENISON	2	2012–2013

Locations

Location	Patents	Span
Wilmington, Delaware, US	56	1976–1997
Cary, NC, US	14	1998–2013
Roxborough, Massachusetts, US	1	1997
Boxborough, Massachusetts, US	1	1994