P

Inventor

FARNHAM WILLIAM BROWN

US28 patents
⚠️ This page may combine multiple inventors who share the name “FARNHAM WILLIAM BROWN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU PONT

24 patents
US5639837AJun 17, 1997

Process for making fluoropolymers

DU PONT78 citations96
US6140436AOct 31, 2000

Fluorinated ionomers and their uses

DU PONT50 citations95
US6133389AOct 17, 2000

Amorphous tetrafluoroethylene-hexafluoropropylene copolymers

DU PONT62 citations95
US6025092AFeb 15, 2000

Fluorinated ionomers and their uses

DU PONT81 citations95
US6399729B1Jun 4, 2002

Fluoromonomer polymerization

DU PONT58 citations94
US6486280B1Nov 26, 2002

Amorphous tetrafluoroethylene-hexafluoropropylene copolymers

DU PONT38 citations92
US6743549B1Jun 1, 2004

Nonaqueous electrolyte lithium secondary batteries

DU PONT44 citations91
US6287722B1Sep 11, 2001

Continuous melt process for fabricating ionically conductive articles

DU PONT71 citations91
US6667377B2Dec 23, 2003

Polyvinylidene fluoride ionomers containing pendant fluoroalkylsulfonyl imide or fluoroalkylsulfonyl methide groups

DU PONT50 citations90
US5969074AOct 19, 1999

Reaction of perfluoroolefins with Bis (Silyl) ethers to produce fluorinated compounds

DU PONT5 citations74
US6713567B2Mar 30, 2004

Method for forming fluorinated ionomers

DU PONT9 citations73
US5760282AJun 2, 1998

Process for the manufacture of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein

DU PONT5 citations71
US5670679ASep 23, 1997

Process for the manufacturing of selected halogenated hydrocarbons containing fluorine and hydrogen and compositions provided therein

DU PONT6 citations71
US9169383B2Oct 27, 2015

Preparation, purification and use of high-X diblock copolymers

DU PONT4 citations68
US7632966B2Dec 15, 2009

Synthesis of trithiocarbonate raft agents and intermediates thereof

DU PONT2 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
US6777515B2Aug 17, 2004

Functional fluorine-containing polymers and ionomers derived therefrom

DU PONT4 citations62
US8034534B2Oct 11, 2011

Fluorinated polymers for use in immersion lithography

DU PONT3 citations59
US7312287B2Dec 25, 2007

Fluorinated polymers useful as photoresists, and processes for microlithography

DU PONT0 citations52
US7022457B2Apr 4, 2006

Photoresists with hydroxylated, photoacid-cleavable groups

DU PONT1 citations52
US7101938B2Sep 5, 2006

Method for forming fluorinated ionomers

DU PONT0 citations51
US6583249B2Jun 24, 2003

Fluoromonomer polymerization

DU PONT0 citations50
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
US9815947B2Nov 14, 2017

Substantially symmetrical 3-arm star block copolymers

DU PONT0 citations38

COMMW SCIENT IND RES ORG

2 patents

(unassigned)

1 patent

FARNHAM WILLIAM BROWN

1 patent