Inventor · disambiguated record
Maher Y. Elsheikh
Also filed as: ELSHEIKH MAHER · ELSHEIKH MAHER Y · ELSHEIKH MAHER Y A I · ELSHEIKH MAHER YOUSEF
71 granted patents·14 pending applications·1,128 citations·filing 1981–2016
99Inventor score
Files withARKEMA INC34ATOCHEM NORTH AMERICA ELF22ELSHEIKH MAHER Y9ATOFINA CHEM INC5ATOCHEM NORTH AMERICA4
Top patents by PatentIndex Score
85 records- 0198US8648123B2Hydrofluoropropene blowing agents for thermoplasticsVAN HORN BRETT L·Filed 2012·Granted Feb 11, 2014·19 cites·21 claims
- 0298US8454853B2Halogenated alkene heat transfer composition with improved oil returnVAN HORN BRETT L·Filed 2009·Granted Jun 4, 2013·35 cites·16 claims
- 0398US8076521B2Process for the manufacture of hydrofluoroolefinsELSHEIKH MAHER Y·Filed 2008·Granted Dec 13, 2011·43 cites·20 claims
- 0498US7442321B1Azeotrope-like composition of 1,1,1-trifluoro-3-chloropropene and trans-1,2-dichloroethyleneARKEMA INC·Filed 2008·Granted Oct 28, 2008·93 cites·13 claims
- 0598US5811603AGas phase fluorination of 1230zaATOCHEM NORTH AMERICA ELF·Filed 1997·Granted Sep 22, 1998·108 cites·2 claims
- 0697US8618338B2Process for the manufacture of hydrofluoroolefinsELSHEIKH MAHER Y·Filed 2011·Granted Dec 31, 2013·17 cites·13 claims
- 0797US5895825APreparation of 1,1,1,3,3-pentafluoropropaneATOCHEM NORTH AMERICA ELF·Filed 1997·Granted Apr 20, 1999·118 cites·5 claims
- 0896US6124510A1234ze preparationATOCHEM NORTH AMERICA ELF·Filed 1998·Granted Sep 26, 2000·214 cites·3 claims
- 0995US8772364B2Blowing agent compositions of hydrofluoroolefins and hydrochlorofluoroolefinsARKEMA INC·Filed 2013·Granted Jul 8, 2014·8 cites·17 claims
- 1095US8563789B2Process for the manufacture of hydrofluoroolefinsELSHEIKH MAHER Y·Filed 2011·Granted Oct 22, 2013·12 cites·19 claims
- 1195US7485598B2High pressure catalyst activation method and catalyst produced therebyARKEMA INC·Filed 2006·Granted Feb 3, 2009·29 cites·12 claims
- 1293US9303900B2Halogenated alkene heat transfer compositions with improved oil returnARKEMA INC·Filed 2013·Granted Apr 5, 2016·6 cites·19 claims
- 1393US9254468B2Stable formulated systems with chloro-3,3,3-trifluoropropeneARKEMA INC·Filed 2013·Granted Feb 9, 2016·8 cites·12 claims
- 1493US8388857B2Stabilized hydrochlorofluoroolefins and hydrofluoroolefinsELSHEIKH MAHER Y·Filed 2008·Granted Mar 5, 2013·25 cites·6 claims
- 1593US5877359AUncatalyzed liquid phase fluorination of 1230ZAATOCHEM NORTH AMERICA ELF·Filed 1998·Granted Mar 2, 1999·52 cites·1 claims
- 1692US8314159B2Blowing agent composition of hydrochlorofluoroolefinCHEN BENJAMIN BIN·Filed 2008·Granted Nov 20, 2012·13 cites·9 claims
- 1791US9228071B2Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefinARKEMA INC·Filed 2014·Granted Jan 5, 2016·3 cites·6 claims
- 1891US6166274ACatalyzed liquid phase fluorination of 1230zaATOFINA CHEM INC·Filed 1999·Granted Dec 26, 2000·46 cites·3 claims
- 1990US5714651AUse of polymerization inhibitor to prolong the life of a Lewis acid catalystATOCHEM NORTH AMERICA ELF·Filed 1995·Granted Feb 3, 1998·40 cites·11 claims
- 2089US5208395AManufacture of hydrofluorocarbonsATOCHEM NORTH AMERICA ELF·Filed 1992·Granted May 4, 1993·29 cites·3 claims
- 2188US9809515B2Dehydrofluorination of pentafluoroalkanes to form tetrafluoroolefinsARKEMA INC·Filed 2016·Granted Nov 7, 2017·3 cites·14 claims
- 2287US8691107B2Stabilized hydrochlorofluoroolefins and hydrofluoroolefinsARKEMA INC·Filed 2013·Granted Apr 8, 2014·5 cites·3 claims
- 2387US8642819B2Process for the manufacture of hydrochlorofluoroolefinsELSHEIKH MAHER Y·Filed 2009·Granted Feb 4, 2014·6 cites·8 claims
- 2486US5169996AStabilized 141bATOCHEM NORTH AMERICA ELF·Filed 1991·Granted Dec 8, 1992·26 cites·3 claims
- 2584US8895788B2Process for the manufacture of hydrofluoroolefinsARKEMA INC·Filed 2014·Granted Nov 25, 2014·2 cites·10 claims
- 2684US6479718B1Liquid phase process for HCFC-123ATOFINA CHEM INC·Filed 2002·Granted Nov 12, 2002·15 cites·7 claims
- 2779US9206297B2Blowing agent compositions of hydrochlorofluoroolefinsARKEMA INC·Filed 2014·Granted Dec 8, 2015·1 cites·32 claims
- 2879US6074985AFluorination catalystsATOCHEM NORTH AMERICA ELF·Filed 1999·Granted Jun 13, 2000·19 cites·2 claims
- 2979US5099082ASolvent extraction of I-141B from I-365ATOCHEM NORTH AMERICA·Filed 1991·Granted Mar 24, 1992·16 cites·3 claims
- 3078US9725384B2Method for separating organofluorine compounds using membraneARKEMA INC·Filed 2014·Granted Aug 8, 2017·3 cites·16 claims
- 3177US9279039B2Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefinCHEN BENJAMIN BIN·Filed 2008·Granted Mar 8, 2016·1 cites·6 claims
- 3277US9234070B2Blowing agent composition of hydrochlorofluoroolefinARKEMA INC·Filed 2012·Granted Jan 12, 2016·1 cites·10 claims
- 3377US8987534B2Process for the manufacture of hydrochlorofluoroolefinsARKEMA INC·Filed 2014·Granted Mar 24, 2015·1 cites·8 claims
- 3477US8895635B2Blowing agent compositions of hydrochlorofluoroolefinsARKEMA INC·Filed 2013·Granted Nov 25, 2014·1 cites·16 claims
- 3576US9492816B2Dehydrofluorination of pentafluoroalkanes to form tetrafluoroolefinsELSHEIKH MAHER Y·Filed 2011·Granted Nov 15, 2016·2 cites·16 claims
- 3676US8445736B2Catalytic gas phase fluorination of 1230xa to 1234yfELSHEIKH MAHER Y·Filed 2009·Granted May 21, 2013·2 cites·19 claims
- 3776US5169995AInhibited 141bATOCHEM NORTH AMERICA ELF·Filed 1991·Granted Dec 8, 1992·18 cites·13 claims
- 3875US5099081ASolvent extraction of I-365 from I-141bATOCHEM NORTH AMERICA·Filed 1991·Granted Mar 24, 1992·13 cites·3 claims
- 3972US9914815B2Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefinARKEMA INC·Filed 2016·Granted Mar 13, 2018·0 cites·2 claims
- 4072US2014336293A1Blowing agent composition of hydrofluoropropene and hydrochlorofluoroolefinARKEMA INC·Filed 2014·Application pending·0 cites
- 4171US2016362531A1Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefinARKEMA INC·Filed 2016·Application pending·0 cites
- 4270US10022576B2Methods for purifying and stabilizing hydrofluoroolefins and hydrochlorofluoroolefinsARKEMA INC·Filed 2014·Granted Jul 17, 2018·1 cites·23 claims
- 4369US10072192B2Stable formulated systems with chloro-3,3,3-trifluoropropeneARKEMA INC·Filed 2015·Granted Sep 11, 2018·0 cites·12 claims
- 4469US9181154B2Method of obtaining a combination of Z and E stereoisomers of hydrofluoroolefinsARKEMA INC·Filed 2013·Granted Nov 10, 2015·0 cites·1 claims
- 4569US4827055AProcess for preparing vinylidene fluoride by the direct fluorination of vinylidene chloridePENNWALT CORP·Filed 1988·Granted May 2, 1989·8 cites·15 claims
- 4669US2016090462A1Blowing agent composition of hydrochlorofluoroolefin and hydrofluoroolefinARKEMA INC·Filed 2015·Application pending·0 cites
- 4768US2014213678A1Blowing agent compositions of hydrofluoroolefins and hydrochlorofluoroolefinsARKEMA INC·Filed 2014·Application pending·0 cites
- 4867US5531867AInhibition of 141B decompositionATOCHEM NORTH AMERICA ELF·Filed 1993·Granted Jul 2, 1996·6 cites·4 claims
- 4967US4329482APreparation of mixed cyclotetrasiloxanes and aliphatic chlorides and/or acyl chloridesDOW CORNING·Filed 1981·Granted May 11, 1982·7 cites·18 claims
- 5067US2011001080A1Stable formulated systems with chloro-3,3,3-trifluoropropeneARKEMA INC·Filed 2009·Application pending·0 cites
Showing the top 50 of 85 patent records by PatentIndex Score.
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