P

Inventor

FEIRING ANDREW E

US34 patents
⚠️ This page may combine multiple inventors who share the name “FEIRING ANDREW E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU PONT

33 patents
US5182342AJan 26, 1993

Hydrofluorocarbon solvents for fluoromonomer polymerization

DU PONT210 citations98
US6849377B2Feb 1, 2005

Photoresists, polymers and processes for microlithography

DU PONT84 citations97
US5763552AJun 9, 1998

Hydrogen-containing flourosurfacant and its use in polymerization

DU PONT174 citations96
US5637663AJun 10, 1997

Amorphous tetrafluoroethylene-hexafluoropropylene copolymers

DU PONT69 citations96
US4525539AJun 25, 1985

Vulcanizable nitrile-containing perfluoroelastomer

DU PONT61 citations96
US5260492ANov 9, 1993

Fluorinated monomers and polymers

DU PONT34 citations92
US5186985AFeb 16, 1993

Liquid crystal displays of high tilt bias angles

DU PONT40 citations92
US5175367ADec 29, 1992

Fluorine-containing diamines, polyamides, and polyimides

DU PONT22 citations92
US4650913AMar 17, 1987

Sulfinate-initiated addition of perfluorinated iodides to olefins

DU PONT31 citations92
US4258225AMar 24, 1981

TaF5 and NbF5 as fluorination catalysts

DU PONT47 citations92
US4220608ASep 2, 1980

Preparation of 3,3,3-trifluoropropene-1

DU PONT42 citations92
US5233004AAug 3, 1993

Chromium carbonyl complexes of polyamide

DU PONT29 citations90
US6899995B2May 31, 2005

Protecting groups in polymers, photoresists and processes for microlithography

DU PONT12 citations84
US6884564B2Apr 26, 2005

Fluorinated polymers having ester groups and photoresists for microlithography

DU PONT13 citations83
US5350821ASep 27, 1994

Fluorinated monomers and polymers

DU PONT16 citations82
US5286841AFeb 15, 1994

Fluorine-containing diamines, polyamides, and polyimides

DU PONT19 citations82
US5536754AJul 16, 1996

Fluorinated ion-exchange polymers and intermediates therefor

DU PONT11 citations74
US5326917AJul 5, 1994

Fluorinated monomers and polymers

DU PONT11 citations74
US5322917AJun 21, 1994

Fluorine-containing diamines polyamides, and polyimides

DU PONT9 citations74
US4157344AJun 5, 1979

Preparation of aryl trifluoromethyl ethers

DU PONT14 citations74
US7108953B2Sep 19, 2006

Dissolution inhibitors in photoresist compositions for microlithography

DU PONT7 citations73
US5185421AFeb 9, 1993

Fluorinated hydroxy-containing macromonomers

DU PONT13 citations73
US5084548AJan 28, 1992

Fluorinated poly(ether sulfone)

DU PONT6 citations73
US5120876AJun 9, 1992

Fluorinated sulfones/ketones for nonlinear optics

DU PONT7 citations70
US5198570AMar 30, 1993

Aryloxyfluoroether esters, processes for preparation thereof, and alcohols and acids formed therefrom

DU PONT5 citations63
US7264914B2Sep 4, 2007

Fluorinated polymers having polycyclic groups with fused 4-membered carbocyclic rings, useful as photoresists, and processes for microlithography

DU PONT2 citations62
US7166416B2Jan 23, 2007

Protecting groups in polymers, photoresists and processes for microlithography

DU PONT2 citations62
US5196604AMar 23, 1993

Fluorinated poly(ether sulfones)

DU PONT4 citations62
US5475143ADec 12, 1995

Fluorinated ion-exchange polymers and intermediates therefor

DU PONT1 citations52
US7408011B2Aug 5, 2008

Photoresists, fluoropolymers and processes for 157 nm microlithography

DU PONT0 citations51
US5312930AMay 17, 1994

Fluorinated sulfones/ketones for nonlinear optics

DU PONT1 citations49
US6855370B2Feb 15, 2005

Fluoropolymer interlayer dielectric by chemical vapor deposition

DU PONT1 citations45
US7326796B2Feb 5, 2008

Fluorinated monomers, fluorinated polymers having polycyclic groups with fused 4-membered heterocyclic rings, useful as photoresists, and processes for microlithography

DU PONT0 citations41

PERCEC VIRGIL

1 patent