Inventor
JOHNSON IVY D
US53 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON IVY D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOBIL OIL CORP
23 patentsUS5260501ANov 9, 1993
Catalytic oligomerization process using modified mesoporous crystalline material
MOBIL OIL CORP53 citations96
US5243114ASep 7, 1993
Oligomerization of alpha-olefins over layered silicate compositions containing pillars of silica and group VIB metal oxide
MOBIL OIL CORP73 citations96
US5108725AApr 28, 1992
Synthesis of mesoporous crystalline material
MOBIL OIL CORP103 citations96
US4889615ADec 26, 1989
Additive for vanadium capture in catalytic cracking
MOBIL OIL CORP77 citations96
US4859648AAug 22, 1989
Layered metal chalcogenides containing interspathic polymeric chalcogenides
MOBIL OIL CORP93 citations96
US5112589AMay 12, 1992
Method for synthesizing mesoporous crystalline material using acid
MOBIL OIL CORP29 citations93
US5110573AMay 5, 1992
Silica-alumina-organic amine product, its synthesis and use in zeolite production
MOBIL OIL CORP29 citations93
US5625103AApr 29, 1997
Continuous toluene disproportionation process
MOBIL OIL CORP26 citations92
US5156828AOct 20, 1992
Method for manufacturing synthetic mesoporous crystalline material
MOBIL OIL CORP35 citations92
US5157194AOct 20, 1992
Highly selective n-olefin isomerization process using microcrystalline ZSM-22
MOBIL OIL CORP23 citations92
US4968652ANov 6, 1990
Pillared layered silicate compositions containing pillars of silica and metal oxide and their preparation
MOBIL OIL CORP22 citations82
US5283043AFeb 1, 1994
Direct crystallization of organic-swelled layered silicates and preparation of layered silicates containing interlayer polymeric chalcogenides therefrom
MOBIL OIL CORP14 citations74
US5221777AJun 22, 1993
Isoparaffin:olefin alkylation process employing Lewis-acid promoted pillared layered silicate
MOBIL OIL CORP16 citations74
US5073655ADec 17, 1991
Method for preparing diarylalkanes
MOBIL OIL CORP12 citations74
US5026921AJun 25, 1991
Aromatization process utilizing a pillared layered silicate plus gallium or zinc
MOBIL OIL CORP9 citations74
US4960745AOct 2, 1990
Layered aluminum compounds containing phosphorus or arsenic and pendant organic groups
MOBIL OIL CORP9 citations74
US4956517ASep 11, 1990
Dehydrogenation process utilizing a pillared layered silicate plus a base metal or noble metal
MOBIL OIL CORP11 citations74
US5068216ANov 26, 1991
Pillaring layered silicates with a mixture of swelling agent and pillar precursor
MOBIL OIL CORP17 citations73
US5015360AMay 14, 1991
Production of hydrocarbon fractions by hydrocracking
MOBIL OIL CORP7 citations73
US5977420ANov 2, 1999
Dual-loop xylene isomerization process
MOBIL OIL CORP16 citations72
US5998688ADec 7, 1999
Xylene isomerization process using toluene co-feed
MOBIL OIL CORP14 citations71
US5008481AApr 16, 1991
Aromatization process utilizing a pillared layered silicate plus a base metal or noble metal
MOBIL OIL CORP2 citations63
US5237121AAug 17, 1993
Highly selective N-olefin isomerization process using microcrystalline ZSM-22
MOBIL OIL CORP4 citations62
EXXONMOBIL CHEMICAL PATENTS INC
6 patentsUS11654423B2May 23, 2023
Catalyst compositions and their use in aromatic alkylation processes
EXXONMOBIL CHEMICAL PATENTS INC2 citations72
US10940467B2Mar 9, 2021
Synthesis of molecular sieves having MWW framework structure
EXXONMOBIL CHEMICAL PATENTS INC0 citations61
US11827593B2Nov 28, 2023
Production of alkylaromatic compounds
EXXONMOBIL CHEMICAL PATENTS INC1 citations57
US11820723B2Nov 21, 2023
Production of alkylaromatic compounds
EXXONMOBIL CHEMICAL PATENTS INC0 citations57
US11964927B2Apr 23, 2024
Production of alkylaromatic compounds
EXXONMOBIL CHEMICAL PATENTS INC0 citations52
US10239052B2Mar 26, 2019
Synthesis of molecular sieves having MWW framework structure
EXXONMOBIL CHEMICAL PATENTS INC0 citations51
JOHNSON IVY D
5 patentsUS9573116B2Feb 21, 2017
Synthesis of ZSM-58 crystals with improved diffusivity for use in gas separations
JOHNSON IVY D22 citations93
US9446961B2Sep 20, 2016
MCM-56 manufacture
JOHNSON IVY D4 citations71
US9365431B2Jun 14, 2016
Synthesis of ZSM-58 crystals with improved morphology
JOHNSON IVY D2 citations60
US8562941B2Oct 22, 2013
Perturbed synthesis of materials
JOHNSON IVY D4 citations60
US8557219B2Oct 15, 2013
High throughput process for manufacturing molecular sieves
JOHNSON IVY D0 citations51
EXXONMOBIL CHEM PATENTS INC
5 patentsUS6893624B2May 17, 2005
High activity small crystal ZSM-12
EXXONMOBIL CHEM PATENTS INC24 citations93
US7842277B2Nov 30, 2010
Molecular sieve composition, a method of making and a process of using the same
EXXONMOBIL CHEM PATENTS INC50 citations92
US9169173B2Oct 27, 2015
Liquid phase alkylation process
EXXONMOBIL CHEM PATENTS INC1 citations52
US8748684B2Jun 10, 2014
Hydrocarbon conversion process using a high throughput process for manufacturing molecular sieves
EXXONMOBIL CHEM PATENTS INC0 citations52
US8673263B2Mar 18, 2014
Hydrocarbon conversion process using a high throughput process for manufacturing molecular sieves of MFI framework type
EXXONMOBIL CHEM PATENTS INC0 citations52
EXXONMOBIL RES & ENG CO
5 patentsUS7786338B2Aug 31, 2010
Selective oligomerization of isobutene
EXXONMOBIL RES & ENG CO3 citations63
US10435514B2Oct 8, 2019
Organosilica materials, methods of making, and uses thereof
EXXONMOBIL RES & ENG CO1 citations62
US10995286B2May 4, 2021
Catalytic dewaxing of hydrocarbon feedstocks
EXXONMOBIL RES & ENG CO1 citations61
US7528089B2May 5, 2009
High solids materials processing
EXXONMOBIL RES & ENG CO3 citations60
US10661262B2May 26, 2020
Aromatic hydrogenation catalysts and uses thereof
EXXONMOBIL RES & ENG CO0 citations48
RAVIKOVITCH PETER I
1 patentBEECKMAN JEAN W
1 patentUNIV MICHIGAN STATE
1 patentMERTENS MACHTELD M
1 patentEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY
1 patentVINCENT MATTHEW J
1 patentShowing the top 50 of 53 patents by PatentIndex Score.