Inventor
BIERSCHENK THOMAS R
US31 patents
⚠️ This page may combine multiple inventors who share the name “BIERSCHENK THOMAS R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXFLUOR RES CORP
28 patentsUS5093432AMar 3, 1992
Liquid phase fluorination
EXFLUOR RES CORP141 citations98
US5322903AJun 21, 1994
Liquid-phase fluorination
EXFLUOR RES CORP38 citations96
US4755567AJul 5, 1988
Perfluorination of ethers in the presence of hydrogen fluoride scavengers
EXFLUOR RES CORP61 citations96
US5753776AMay 19, 1998
Liquid-phase fluorination
EXFLUOR RES CORP27 citations92
US5674949AOct 7, 1997
Liquid-phase fluorination
EXFLUOR RES CORP32 citations92
US5571870ANov 5, 1996
Liquid phase fluorination
EXFLUOR RES CORP21 citations92
US5539059AJul 23, 1996
Perfluorinated polyethers
EXFLUOR RES CORP35 citations92
US5322904AJun 21, 1994
Liquid-phase fluorination
EXFLUOR RES CORP20 citations92
US5202480AApr 13, 1993
Fluorination of acetals, ketals and orthoesters
EXFLUOR RES CORP24 citations92
US4859747AAug 22, 1989
Perfluorination of ethers in the presence of hydrogen fluoride scavengers
EXFLUOR RES CORP29 citations92
US4827042AMay 2, 1989
Perfluoropolyethers
EXFLUOR RES CORP43 citations92
US4803005AFeb 7, 1989
Perfluoropolyether solid fillers for lubricants
EXFLUOR RES CORP27 citations92
US4760198AJul 26, 1988
1:1 copolymer of difluoromethylene oxide and tetrafluoroethylene oxide and synthesis
EXFLUOR RES CORP22 citations82
US5557012ASep 17, 1996
Fluorination of acetals, ketals and orthoesters
EXFLUOR RES CORP5 citations74
US5543567AAug 6, 1996
Fluorination of acetals, ketals and orthoesters
EXFLUOR RES CORP8 citations74
US5461117AOct 24, 1995
Liquid phase fluorination
EXFLUOR RES CORP9 citations74
US5202501AApr 13, 1993
Perfluoropolyethers
EXFLUOR RES CORP9 citations74
US5032302AJul 16, 1991
Perfluoropolyether solid fillers for lubricants
EXFLUOR RES CORP13 citations74
US4931199AJun 5, 1990
Use of chlorofluoropolyethers as lubricants for refrigerants
EXFLUOR RES CORP12 citations74
US4925583AMay 15, 1990
Perfluoropolyether solid fillers for lubricants
EXFLUOR RES CORP12 citations74
US5506309AApr 9, 1996
Perfluorinates polyethers
EXFLUOR RES CORP18 citations73
US5332790AJul 26, 1994
Liquid-phase fluorination
EXFLUOR RES CORP8 citations73
US5300683AApr 5, 1994
Fluorination of acetals, ketals and orthoesters
EXFLUOR RES CORP7 citations73
US5053536AOct 1, 1991
Fluorination of acetals, ketals and orthoesters
EXFLUOR RES CORP19 citations73
US4894484AJan 16, 1990
Pyrolysis of perfluoropolyethers
EXFLUOR RES CORP13 citations71
US5198139AMar 30, 1993
Use of chlorofluoropolymers as lubricants for refrigerants
EXFLUOR RES CORP9 citations70
US5523496AJun 4, 1996
Fluorination of acetals, ketals and orthoesters
EXFLUOR RES CORP2 citations63
US5025093AJun 18, 1991
Pyrolysis of perfluoropolyethers
EXFLUOR RES CORP6 citations60