Inventor · disambiguated record
David Lumgair
Also filed as: LUMGAIR DAVID R · LUMGAIR DAVID RITCHIE · LUMGAIR JR DAVID R · LUMGAIR JR DAVID RITCHIE
28 granted patents·590 citations·filing 1996–2007
97Inventor score
Files withEXXONMOBIL CHEM PATENTS INC19EXXON CHEMICAL PATENTS INC4EXXON MOBIL CHEM PATENTS INC3EXXONMOBIL CHEMICAL PATENS INC1LUMGAIR DAVID RITCHIE1
Top patents by PatentIndex Score
28 records- 0195US5952538AUse of short contact time in oxygenate conversionEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Sep 14, 1999·78 cites·18 claims
- 0294US6049011AHydroformylation processEXXON CHEMICAL PATENTS INC·Filed 1996·Granted Apr 11, 2000·59 cites·38 claims
- 0393US6660812B2Production of olefin derivativesEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Dec 9, 2003·66 cites·56 claims
- 0492US6870072B2Heat recovery in an olefin production processEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Mar 22, 2005·27 cites·44 claims
- 0591US5960643AProduction of ethylene using high temperature demethanizationEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Oct 5, 1999·72 cites·55 claims
- 0690US7135604B2Process for separating carbon dioxide from an oxygenate-to-olefin effluent streamEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Nov 14, 2006·54 cites·50 claims
- 0790US6838587B2Method of removing oxygenate contaminants from an olefin streamEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Jan 4, 2005·22 cites·45 claims
- 0889US7115789B2Process for removal of alkynes and/or dienes from an olefin streamEXXON MOBIL CHEM PATENTS INC·Filed 2003·Granted Oct 3, 2006·18 cites·34 claims
- 0988US7214843B2Treating oxygenate containing feedstreams in the conversion of oxygenates to olefinsEXXON MOBIL CHEM PATENTS INC·Filed 2003·Granted May 8, 2007·16 cites·76 claims
- 1088US6559248B2Process of removing contaminants from an olefin stream using extractive distillationEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted May 6, 2003·22 cites·26 claims
- 1187US6212905B1Production of ethylene using high temperature demethanizationEXXON CHEMICAL PATENTS INC·Filed 1999·Granted Apr 10, 2001·26 cites·13 claims
- 1284US6855858B2Method of removing dimethyl ether from an olefin streamEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Feb 15, 2005·16 cites·28 claims
- 1380US7495141B2Minimizing corrosion in a methanol-to-olefin effluent processing systemEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Feb 24, 2009·5 cites·18 claims
- 1479US7119241B2Process for handling catalyst from an oxygenate to olefin reactionEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Oct 10, 2006·18 cites·58 claims
- 1579US6846966B2Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefinsEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Jan 25, 2005·17 cites·24 claims
- 1679US6844480B2Method of separating dimethyl ether from an olefin streamEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Jan 18, 2005·10 cites·32 claims
- 1776US7114507B2Process for removing contaminants from a compressor intercooler in a methanol to olefin separation systemEXXONMOBIL CHEM PATENTS INC·Filed 2005·Granted Oct 3, 2006·2 cites·14 claims
- 1872US7385100B2Treating oxygenate containing feedstreams in the conversion of oxygenates to olefinsEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Jun 10, 2008·1 cites·12 claims
- 1972US7208648B2Minimizing corrosion in a methanol-to-olefin effluent processing systemEXXONMOBIL CHEM PATENTS INC·Filed 2003·Granted Apr 24, 2007·5 cites·14 claims
- 2072US6448460B2Maintaining acid catalyst sites in SAPO molecular sievesEXXONMOBIL CHEM PATENTS INC·Filed 2001·Granted Sep 10, 2002·9 cites·26 claims
- 2171US7102049B2Process for operating a quench device in an oxygenate-to-olefin production unitEXXONMOBIL CHEMICAL PATENS INC·Filed 2003·Granted Sep 5, 2006·7 cites·28 claims
- 2270US6225254B1Maintaining acid catalyst sites in sapo molecular sievesEXXON MOBIL CHEM PATENTS INC·Filed 1999·Granted May 1, 2001·26 cites·26 claims
- 2369US7678958B2Method of removing dimethyl ether from an olefin streamEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Mar 16, 2010·6 cites·30 claims
- 2465US7323147B2Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefinsEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted Jan 29, 2008·2 cites·13 claims
- 2559US7048833B2Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxygenates to olefinsEXXONMOBIL CHEM PATENTS INC·Filed 2004·Granted May 23, 2006·5 cites·30 claims
- 2657US7007701B2Processor for removing contaminants from a compressor in a methanol to olefin separation systemEXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted Mar 7, 2006·1 cites·44 claims
- 2756US7378562B2Process for removal of alkynes and/or dienes from an olefin streamEXXONMOBIL CHEM PATENTS INC·Filed 2006·Granted May 27, 2008·0 cites·18 claims
- 2837US8338656B2Separating olefin streamsLUMGAIR DAVID RITCHIE·Filed 2007·Granted Dec 25, 2012·0 cites·22 claims
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