Inventor
SWEARINGEN STEVEN H
US20 patents
⚠️ This page may combine multiple inventors who share the name “SWEARINGEN STEVEN H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
18 patentsUS5516946AMay 14, 1996
Producing CF3 CH2 CF3 and/or CF3 CH=CF2 by the conversion of fluorinated ethers
DU PONT51 citations96
US5057634AOct 15, 1991
Multistep synthesis of hexafluoropropylene
DU PONT98 citations94
US6548720B2Apr 15, 2003
Process for the manufacture of 1,1,1,3,3-pentafluoropropene, 2-chloro-pentafluoropropene and compositions comprising saturated derivatives thereof
DU PONT20 citations92
US6211135B1Apr 3, 2001
Processes for the purification and use of 2,2-dichloro-1,1,1,3,3,3-hexafluoropropane and azeotropes thereof with HF
DU PONT25 citations92
US5068472ANov 26, 1991
Multistep synthesis of hexafluoropropylene
DU PONT51 citations91
US6677493B1Jan 13, 2004
Processes for the purification and use of 2-chloro-1,1,1,2,3,3,3-heptafluoropropane and zeotropes thereof with HF
DU PONT10 citations74
US5594159AJan 14, 1997
Producing CF3 CH2 CF3 and/or CF3 CH═CF2 by the conversion of alpha-hydroperfluoroisobutyric acid compounds
DU PONT9 citations74
US5420368AMay 30, 1995
Production CF3 CH2 CF3 and/or CF3 CH═CF2 by the conversion of fluorinated ethers
DU PONT14 citations74
US5345017ASep 6, 1994
Process for reducing the fluorine content of halocarbons
DU PONT14 citations74
US5910615AJun 8, 1999
Producing CF3 CH2 CF3 and/or CF3 CH=CF2 by the conversion of α-hydroperfluoroisobutyric acid compounds
DU PONT7 citations73
US5220083AJun 15, 1993
Synthesis of perfluoropropane
DU PONT16 citations72
US5523498AJun 4, 1996
Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons
DU PONT8 citations69
US9873846B2Jan 23, 2018
Fuel compositions containing lignocellulosic biomass fermentation process syrup
DU PONT2 citations66
US5516947AMay 14, 1996
Process for converting chlorodifluoromethane and/or dichlorodifluoromethane
DU PONT5 citations60
US7253315B2Aug 7, 2007
Process for preparing fluorocarboxylic acids
DU PONT3 citations59
US5105033AApr 14, 1992
Process for preparing 1,1-dichloro-1-fluoroethane
DU PONT6 citations54
US7671111B2Mar 2, 2010
Monitoring column breakthrough in a process for removing fluorosurfactant from aqueous fluoropolymer dispersions
DU PONT1 citations51
US7659329B2Feb 9, 2010
Removing fluorosurfactant from aqueous fluoropolymer dispersions using monodisperse ion exchange resin
DU PONT1 citations51