Inventor
MILLER RALPH NEWTON
US29 patents
⚠️ This page may combine multiple inventors who share the name “MILLER RALPH NEWTON”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
27 patentsUS7476771B2Jan 13, 2009
Azeotrope compositions comprising 2,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof
DU PONT23 citations93
US7423188B2Sep 9, 2008
Azeotrope compositions comprising E-1,3,3,3-tetrafluoropropene and hydrogen fluoride and uses thereof
DU PONT42 citations93
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
US5830325ANov 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
US6858762B2Feb 22, 2005
Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
DU PONT11 citations82
US6755942B1Jun 29, 2004
Process for the manufacture of halocarbons and selected compounds and azeotropes with HF
DU PONT12 citations82
US6458249B2Oct 1, 2002
Process for purifying perfluorinated products
DU PONT15 citations82
US7371309B2May 13, 2008
Purification of difluoromethane by extractive distillation
DU PONT16 citations81
US7388117B2Jun 17, 2008
Azeotrope compositions comprising 1,2,3,3,3-pentafluoropropene and hydrogen fluoride and uses thereof
DU PONT7 citations74
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
US6156161ADec 5, 2000
Extractive distillation process for separating difluoromethane and pentafluoroethane using methylene chloride
DU PONT15 citations74
US5948213ASep 7, 1999
Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products, and azeotropes with HF
DU PONT7 citations74
US5874657AFeb 23, 1999
Process for the purification of 1,1-difluoroethane
DU PONT14 citations74
US5817893AOct 6, 1998
Processes for the manufacture and purification of 1,1,2,2,3,3,4,4-octafluorobutane and by-products
DU PONT6 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
US7385094B2Jun 10, 2008
Azeotrope compositions comprising tridecafluoro-3-heptene and hydrogen fluoride and uses thereof
DU PONT3 citations63
US5772852AJun 30, 1998
Separating HCI and halocarbons
DU PONT3 citations63
US6900362B2May 31, 2005
Vapor phase production of 1,1,1,2,3,3,3-heptafluoropropane from hydrogen fluoride and hexafluoropropylene
DU PONT2 citations61
US5789633AAug 4, 1998
Azeotropic or azeotrope-like compositions of hydrofluoric acid with dihaloethanes
DU PONT3 citations60
US8377327B2Feb 19, 2013
Tetrafluoropropene production processes
DU PONT1 citations52
US7709438B2May 4, 2010
Azeotrope compositions comprising nonafluoropentene and hydrogen fluoride and uses thereof
DU PONT0 citations52
US6291727B1Sep 18, 2001
Azeotropic or azeotrop-like compositions of hydrofluoric acid with dihaloethanes
DU PONT0 citations50