Inventor
MAHLER BARRY ASHER
US34 patents
⚠️ This page may combine multiple inventors who share the name “MAHLER BARRY ASHER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
16 patentsUS5830325ANov 3, 1998
Separating and removing 1, 1, 1-trifluoroethane by using azeotropic distillation
DU PONT26 citations92
US5723699AMar 3, 1998
Purification process for hexafluoroethane products
DU PONT18 citations90
US8692037B2Apr 8, 2014
Compositions comprising 1,1,1,2,3-pentafluoropropane or 2,3,3,3-tetrafluoropropene
DU PONT8 citations84
US6458249B2Oct 1, 2002
Process for purifying perfluorinated products
DU PONT15 citations82
US7371309B2May 13, 2008
Purification of difluoromethane by extractive distillation
DU PONT16 citations81
US5874657AFeb 23, 1999
Process for the purification of 1,1-difluoroethane
DU PONT14 citations74
US5827492AOct 27, 1998
Hydrogen chloride purification process
DU PONT11 citations74
US5665266ASep 9, 1997
Azeotropic and azeotrope-like compositions with HCL and halocarbon
DU PONT6 citations74
US5723429AMar 3, 1998
Azeotropic or azeotrope-like compositions of tetrafluoroethane and chlorotetrafluoroethane
DU PONT11 citations73
US6303838B1Oct 16, 2001
Separating 1,1,1,3,3-pentafluoropropane from hydrogen fluoride
DU PONT7 citations71
US6221830B1Apr 24, 2001
Purification process for hexafluoroethane products
DU PONT10 citations71
US5718807AFeb 17, 1998
Purification process for hexafluoroethane products
DU PONT11 citations71
US8007677B2Aug 30, 2011
Azeotrope compositions comprising 1,1,1,2,3-pentafluoropropene and hydrogen fluoride and uses thereof
DU PONT5 citations63
US5772852AJun 30, 1998
Separating HCI and halocarbons
DU PONT3 citations63
US5789633AAug 4, 1998
Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes
DU PONT3 citations60
US6291727B1Sep 18, 2001
Azeotropic or azeotrop-like compositions of hydrofluoric acid with dihaloethanes
DU PONT0 citations50
CHEMOURS CO FC LLC
9 patentsUS10584270B2Mar 10, 2020
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC10 citations93
US10214669B2Feb 26, 2019
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC11 citations93
US9486657B2Nov 8, 2016
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC10 citations93
US11512239B2Nov 29, 2022
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC3 citations84
US11312890B2Apr 26, 2022
Compositions comprising 2,3-dichloro-1,1,1 -trifluoropropane, 2-chloro-1,1,1 -trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC5 citations84
US11001738B2May 11, 2021
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC5 citations84
USRE47862EFeb 18, 2020
Compositions comprising 1,1,1,2,3-pentafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC1 citations73
US12091607B2Sep 17, 2024
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2 chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
CHEMOURS CO FC LLC0 citations63
US11655406B2May 23, 2023
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropen
CHEMOURS CO FC LLC0 citations63
MAHLER BARRY ASHER
5 patentsUS8147709B2Apr 3, 2012
Compositions comprising 3,3,3-trifluoropropyne
MAHLER BARRY ASHER52 citations97
US8877086B2Nov 4, 2014
Compositions comprising 2,3-dichloro-1,1,1-trifluoropropane, 2-chloro-1,1,1-trifluoropropene, 2-chloro-1,1,1,2-tetrafluoropropane or 2,3,3,3-tetrafluoropropene
MAHLER BARRY ASHER31 citations96
US8333902B2Dec 18, 2012
Compositions comprising 1,1,1,2,3-pentafluoropropane or 2,3,3,3- tetrafluoropropene
MAHLER BARRY ASHER23 citations92
US8314273B2Nov 20, 2012
Production processes for making 1,1,1,2,2,3-hexafluoropropane
MAHLER BARRY ASHER0 citations51
US8066899B2Nov 29, 2011
Non-ignitable gaseous composition comprising difluoromethane and tetrafluoroethylene
MAHLER BARRY ASHER0 citations51