Inventor
YOKOZEKI AKIMICHI
US35 patents
⚠️ This page may combine multiple inventors who share the name “YOKOZEKI AKIMICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DU PONT
24 patentsUS6783691B1Aug 31, 2004
Compositions of difluoromethane, pentafluoroethane, 1,1,1,2-tetrafluoroethane and hydrocarbons
DU PONT99 citations98
US5182040AJan 26, 1993
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane
DU PONT169 citations98
US6503417B1Jan 7, 2003
Ternary compositions of ammonia, pentafluoroethane and difluoromethane
DU PONT55 citations96
US5648017AJul 15, 1997
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane and (iso) butane
DU PONT89 citations94
US7765823B2Aug 3, 2010
Hybrid vapor compression-absorption cycle
DU PONT24 citations92
US5800730ASep 1, 1998
Near-azeotropic blends for use as refrigerants
DU PONT17 citations92
US5403504AApr 4, 1995
Process for heating and cooling using substantially constant boiling compositions of fluorinated hydrocarbons
DU PONT31 citations92
US5277834AJan 11, 1994
Near-azeotropic blends for use as refrigerants
DU PONT49 citations92
US5221493AJun 22, 1993
Azeotropic compositions of 1,1,2,2,3,3,4,4-octafluorobutane and alcohols or ketones
DU PONT24 citations92
US5345013ASep 6, 1994
Safe handling of tetrafluoroethylene
DU PONT28 citations89
US4715900ADec 29, 1987
Azeotropic compositions of trichlorotrifluoroethane, dichlorodifluoroethane and methanol/ethanol
DU PONT26 citations89
US7964760B2Jun 21, 2011
Process for the separation of fluorocarbons using ionic liquids
DU PONT8 citations84
US5616276AApr 1, 1997
Azeotrope-like refrigerants with chlorodifluoromethane, pentafluoroethane, and C2 -C4 hydrocarbon
DU PONT17 citations82
US5766503AJun 16, 1998
Refrigeration process using azeotropic compositions of perfluoroethane and trifluoromethane
DU PONT7 citations74
US5387357AFeb 7, 1995
Azeotropic or azeotrope-like compositions of ammonia and hydrofluorocarbons
DU PONT12 citations74
US5725791AMar 10, 1998
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane
DU PONT7 citations73
US5516446AMay 14, 1996
Compositions of 1,1,1,2-tetrafluoroethane and dimethyl ether
DU PONT6 citations73
US5061394AOct 29, 1991
Azeotropic composition of 1-chloro-1,2,2,2-tetrafluoroethane and dimethyl ether
DU PONT8 citations73
US5968406AOct 19, 1999
Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane
DU PONT11 citations72
US5700388ADec 23, 1997
Azeotropic or azeotrope-like compositions of ammonia and tetrafluoroethane
DU PONT2 citations63
US5635099AJun 3, 1997
Near-azeotropic blends for use as refrigerants with pentafluoroethane, trifluoroethane, and tetrafluoroethane
DU PONT4 citations62
US5284596AFeb 8, 1994
Substantially constant boiling compositions of 1,1,1,2-tetra-fluoroethane and dimethyl ether
DU PONT3 citations62
US5447646ASep 5, 1995
Compositions of 2,2-dichloro-1,1,1-trifluoroethane and pentafluoropropane
DU PONT2 citations61
US5246617ASep 21, 1993
Azeotropic compositions of 1,1-dichloro-1-fluoroethane and methanol/ethanol
DU PONT1 citations52
SHIFLETT MARK BRANDON
9 patentsUS8506839B2Aug 13, 2013
Absorption cycle utilizing ionic liquids and water as working fluids
SHIFLETT MARK BRANDON21 citations92
US8715521B2May 6, 2014
Absorption cycle utilizing ionic liquid as working fluid
SHIFLETT MARK BRANDON13 citations83
US8568608B2Oct 29, 2013
Vapor compression cycle utilizing ionic liquid as compressor lubricant
SHIFLETT MARK BRANDON12 citations83
US8313558B2Nov 20, 2012
Process for separation of tetrafluoroethylene from carbon dioxide using ionic liquids
SHIFLETT MARK BRANDON9 citations83
US8707720B2Apr 29, 2014
Hybrid vapor compression-absorption cycle
SHIFLETT MARK BRANDON5 citations72
US8946442B2Feb 3, 2015
Foamed ionic compounds
SHIFLETT MARK BRANDON2 citations62
US8075777B2Dec 13, 2011
Process for the separation of diastereomers
SHIFLETT MARK BRANDON2 citations62
US8808659B2Aug 19, 2014
Process and reactor system for producing ammonia using ionic liquids
SHIFLETT MARK BRANDON1 citations51
US8771626B2Jul 8, 2014
Process for purifying perfluorinated products
SHIFLETT MARK BRANDON1 citations51