Inventor · disambiguated record
Ivy D. Johnson
Also filed as: JOHNSON IVY D · JOHNSON IVY DAWN
55 granted patents·18 pending applications·903 citations·filing 1985–2023
98Inventor score
Files withMOBIL OIL CORP23EXXONMOBIL RES & ENG CO15EXXONMOBIL CHEMICAL PATENTS INC10EXXONMOBIL CHEM PATENTS INC6JOHNSON IVY D6
Top patents by PatentIndex Score
73 records- 0198US4859648ALayered metal chalcogenides containing interspathic polymeric chalcogenidesMOBIL OIL CORP·Filed 1986·Granted Aug 22, 1989·93 cites·103 claims
- 0296US9597655B2Boron selectivated molecular sieves and their use in sorptive separationsBEECKMAN JEAN W·Filed 2015·Granted Mar 21, 2017·20 cites·23 claims
- 0396US9168483B2DDR type zeolites with stabilized adsorptionRAVIKOVITCH PETER I·Filed 2013·Granted Oct 27, 2015·26 cites·10 claims
- 0496US7842277B2Molecular sieve composition, a method of making and a process of using the sameEXXONMOBIL CHEM PATENTS INC·Filed 2007·Granted Nov 30, 2010·50 cites·35 claims
- 0595US9573116B2Synthesis of ZSM-58 crystals with improved diffusivity for use in gas separationsJOHNSON IVY D·Filed 2014·Granted Feb 21, 2017·22 cites·19 claims
- 0694US9737846B2Adsorbent materials and methods of useCARSTENSEN BARBARA·Filed 2015·Granted Aug 22, 2017·24 cites·31 claims
- 0793US5108725ASynthesis of mesoporous crystalline materialMOBIL OIL CORP·Filed 1990·Granted Apr 28, 1992·103 cites·37 claims
- 0893US4889615AAdditive for vanadium capture in catalytic crackingMOBIL OIL CORP·Filed 1988·Granted Dec 26, 1989·77 cites·20 claims
- 0990US5243114AOligomerization of alpha-olefins over layered silicate compositions containing pillars of silica and group VIB metal oxideMOBIL OIL CORP·Filed 1992·Granted Sep 7, 1993·73 cites·20 claims
- 1086US9079809B2High throughput process for manufacturing molecular sieves of MFI framework typeEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Jul 14, 2015·2 cites·12 claims
- 1185US11654423B2Catalyst compositions and their use in aromatic alkylation processesEXXONMOBIL CHEMICAL PATENTS INC·Filed 2018·Granted May 23, 2023·2 cites·24 claims
- 1285US5260501ACatalytic oligomerization process using modified mesoporous crystalline materialMOBIL OIL CORP·Filed 1992·Granted Nov 9, 1993·53 cites·23 claims
- 1384US6893624B2High activity small crystal ZSM-12EXXONMOBIL CHEM PATENTS INC·Filed 2002·Granted May 17, 2005·24 cites·19 claims
- 1484US5157194AHighly selective n-olefin isomerization process using microcrystalline ZSM-22MOBIL OIL CORP·Filed 1991·Granted Oct 20, 1992·23 cites·18 claims
- 1582US11986807B2Catalyst compositions and their use in aromatic alkylation processesEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2023·Granted May 21, 2024·0 cites·15 claims
- 1682US11827593B2Production of alkylaromatic compoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2020·Granted Nov 28, 2023·1 cites·21 claims
- 1781US10995286B2Catalytic dewaxing of hydrocarbon feedstocksEXXONMOBIL RES & ENG CO·Filed 2019·Granted May 4, 2021·1 cites·18 claims
- 1881US9446961B2MCM-56 manufactureJOHNSON IVY D·Filed 2012·Granted Sep 20, 2016·4 cites·15 claims
- 1981US8187569B2Process for manufacturing molecular sieve of MFS framework type and its useMERTENS MACHTELD M·Filed 2007·Granted May 29, 2012·6 cites·18 claims
- 2081US7786338B2Selective oligomerization of isobuteneEXXONMOBIL RES & ENG CO·Filed 2007·Granted Aug 31, 2010·3 cites·23 claims
- 2180US5156828AMethod for manufacturing synthetic mesoporous crystalline materialMOBIL OIL CORP·Filed 1991·Granted Oct 20, 1992·35 cites·44 claims
- 2279US5221777AIsoparaffin:olefin alkylation process employing Lewis-acid promoted pillared layered silicateMOBIL OIL CORP·Filed 1991·Granted Jun 22, 1993·16 cites·13 claims
- 2377US8816145B2Liquid phase alkylation processVINCENT MATTHEW J·Filed 2012·Granted Aug 26, 2014·2 cites·20 claims
- 2476US10435514B2Organosilica materials, methods of making, and uses thereofEXXONMOBIL RES & ENG CO·Filed 2016·Granted Oct 8, 2019·1 cites·12 claims
- 2576US8562941B2Perturbed synthesis of materialsJOHNSON IVY D·Filed 2006·Granted Oct 22, 2013·4 cites·7 claims
- 2675US9365431B2Synthesis of ZSM-58 crystals with improved morphologyJOHNSON IVY D·Filed 2013·Granted Jun 14, 2016·2 cites·20 claims
- 2775US5977420ADual-loop xylene isomerization processMOBIL OIL CORP·Filed 1998·Granted Nov 2, 1999·16 cites·10 claims
- 2874US9169173B2Liquid phase alkylation processEXXONMOBIL CHEM PATENTS INC·Filed 2014·Granted Oct 27, 2015·1 cites·18 claims
- 2974US4956517ADehydrogenation process utilizing a pillared layered silicate plus a base metal or noble metalMOBIL OIL CORP·Filed 1989·Granted Sep 11, 1990·11 cites·6 claims
- 3071US10047304B2Aromatic hydrogenation catalysts and uses thereofPODSIADLO PAUL·Filed 2015·Granted Aug 14, 2018·1 cites·25 claims
- 3171US5112589AMethod for synthesizing mesoporous crystalline material using acidMOBIL OIL CORP·Filed 1991·Granted May 12, 1992·29 cites·10 claims
- 3271US4968652APillared layered silicate compositions containing pillars of silica and metal oxide and their preparationMOBIL OIL CORP·Filed 1990·Granted Nov 6, 1990·22 cites·20 claims
- 3370US5998688AXylene isomerization process using toluene co-feedMOBIL OIL CORP·Filed 1998·Granted Dec 7, 1999·14 cites·10 claims
- 3470US5026921AAromatization process utilizing a pillared layered silicate plus gallium or zincMOBIL OIL CORP·Filed 1989·Granted Jun 25, 1991·9 cites·9 claims
- 3567US5110573ASilica-alumina-organic amine product, its synthesis and use in zeolite productionMOBIL OIL CORP·Filed 1990·Granted May 5, 1992·29 cites·14 claims
- 3665US10940467B2Synthesis of molecular sieves having MWW framework structureEXXONMOBIL CHEMICAL PATENTS INC·Filed 2019·Granted Mar 9, 2021·0 cites·21 claims
- 3765US5625103AContinuous toluene disproportionation processMOBIL OIL CORP·Filed 1995·Granted Apr 29, 1997·26 cites·11 claims
- 3864US8673263B2Hydrocarbon conversion process using a high throughput process for manufacturing molecular sieves of MFI framework typeEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Mar 18, 2014·0 cites·23 claims
- 3963US8748684B2Hydrocarbon conversion process using a high throughput process for manufacturing molecular sievesEXXONMOBIL CHEM PATENTS INC·Filed 2013·Granted Jun 10, 2014·0 cites·16 claims
- 4062US10239052B2Synthesis of molecular sieves having MWW framework structureEXXONMOBIL CHEMICAL PATENTS INC·Filed 2014·Granted Mar 26, 2019·0 cites·18 claims
- 4160US11964927B2Production of alkylaromatic compoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2020·Granted Apr 23, 2024·0 cites·15 claims
- 4259US11820723B2Production of alkylaromatic compoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2020·Granted Nov 21, 2023·0 cites·23 claims
- 4358US8557219B2High throughput process for manufacturing molecular sievesJOHNSON IVY D·Filed 2007·Granted Oct 15, 2013·0 cites·17 claims
- 4458US5283043ADirect crystallization of organic-swelled layered silicates and preparation of layered silicates containing interlayer polymeric chalcogenides therefromMOBIL OIL CORP·Filed 1992·Granted Feb 1, 1994·14 cites·19 claims
- 4557US2018282241A1Isoparaffin-olefin alkylationEXXONMOBIL RES & ENG CO·Filed 2018·Application pending·0 cites
- 4656US7528089B2High solids materials processingEXXONMOBIL RES & ENG CO·Filed 2004·Granted May 5, 2009·3 cites·12 claims
- 4756US5068216APillaring layered silicates with a mixture of swelling agent and pillar precursorMOBIL OIL CORP·Filed 1991·Granted Nov 26, 1991·17 cites·6 claims
- 4855US10661262B2Aromatic hydrogenation catalysts and uses thereofEXXONMOBIL RES & ENG CO·Filed 2018·Granted May 26, 2020·0 cites·31 claims
- 4954US2017369392A1Isoparaffin-olefin alkylationEXXONMOBIL RES & ENG CO·Filed 2017·Application pending·0 cites
- 5053US2023382827A1Production of Alkylaromatic CompoundsEXXONMOBIL CHEMICAL PATENTS INC·Filed 2021·Application pending·0 cites
Showing the top 50 of 73 patent records by PatentIndex Score.
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