Inventor
GELBEIN ABRAHAM P
US52 patents
⚠️ This page may combine multiple inventors who share the name “GELBEIN ABRAHAM P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUMMUS CO
17 patentsUS4496752AJan 29, 1985
Production of epoxy compounds from olefinic compounds
LUMMUS CO62 citations95
US4126526ANov 21, 1978
Cyclic process for production of alkylene oxide using electrolysis of brine
LUMMUS CO39 citations92
US4008133AFeb 15, 1977
Production of epoxy compounds from olefinic compounds
LUMMUS CO36 citations90
US4443620AApr 17, 1984
Production of epoxy compounds from olefinic compounds
LUMMUS CO31 citations86
US4108761AAug 22, 1978
Denitrification of carbonaceous feedstocks
LUMMUS CO21 citations82
US3963645AJun 15, 1976
Supported metal oxides
LUMMUS CO25 citations82
US4214087AJul 22, 1980
Production of carboxylic acids from nitriles
LUMMUS CO11 citations74
US4051140ASep 27, 1977
Preparation of pyridines and nicotinonitrile from piperidines
LUMMUS CO10 citations74
US4148865AApr 10, 1979
Treatment of cyanide byproduct in nitrile production
LUMMUS CO11 citations73
US4008241AFeb 15, 1977
Nicotinamide production
LUMMUS CO11 citations73
US3944598AMar 16, 1976
Production of amine salts of carboxylic acids
LUMMUS CO7 citations73
US3931243AJan 6, 1976
Production of phthalic anhydride
LUMMUS CO8 citations73
US4134910AJan 16, 1979
Recovery of isophthalonitrile
LUMMUS CO7 citations67
US4327219AApr 27, 1982
Nicotinamide production
LUMMUS CO6 citations63
US4116967ASep 26, 1978
Production of carboxylic acids from nitriles
LUMMUS CO2 citations63
US4348537ASep 7, 1982
Olefin oxidation
LUMMUS CO0 citations51
US4277630AJul 7, 1981
Catalyst and process for producing aromatic hydroxy compounds
LUMMUS CO0 citations51
CATALYTIC DISTILLATION TECH
16 patentsUS7250542B2Jul 31, 2007
Paraffin alkylation
CATALYTIC DISTILLATION TECH42 citations96
US6858770B2Feb 22, 2005
Paraffin alkylation
CATALYTIC DISTILLATION TECH33 citations96
US6392078B1May 21, 2002
Process and catalyst for making dialkyl carbonates
CATALYTIC DISTILLATION TECH70 citations96
US7288668B2Oct 30, 2007
Process for making diaryl carbonate
CATALYTIC DISTILLATION TECH21 citations93
US7319180B2Jan 15, 2008
Paraffin alkylation
CATALYTIC DISTILLATION TECH18 citations92
US6995296B2Feb 7, 2006
Paraffin alkylation
CATALYTIC DISTILLATION TECH30 citations92
US6939994B1Sep 6, 2005
Process for the production of bisphenol-A
CATALYTIC DISTILLATION TECH8 citations74
US6867338B2Mar 15, 2005
Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream
CATALYTIC DISTILLATION TECH7 citations72
US7850929B2Dec 14, 2010
Contact structures
CATALYTIC DISTILLATION TECH6 citations63
US7344692B2Mar 18, 2008
Process for regenerating spent sulfuric acid
CATALYTIC DISTILLATION TECH2 citations63
US7314947B2Jan 1, 2008
Process for making dialkyl carbonates
CATALYTIC DISTILLATION TECH3 citations63
US7279592B2Oct 9, 2007
Process for making dialkyl carbonates
CATALYTIC DISTILLATION TECH1 citations63
US7320745B2Jan 22, 2008
Energy efficient method for exothermic reactions
CATALYTIC DISTILLATION TECH4 citations61
US7977525B2Jul 12, 2011
H2SO4 alkylation by conversion of olefin feed to oligomers and sulfate esters
CATALYTIC DISTILLATION TECH1 citations52
US7368617B2May 6, 2008
Selective hydrogenation of acetylenes and dienes in a hydrocarbon stream
CATALYTIC DISTILLATION TECH0 citations52
US7494584B2Feb 24, 2009
Energy efficient method for exothermic reactions
CATALYTIC DISTILLATION TECH0 citations50
CHEM SYSTEMS
7 patentsUS4477594AOct 16, 1984
Process for the synthesis of aliphatic alcohol-containing mixtures
CHEM SYSTEMS31 citations92
US4585899AApr 29, 1986
Hydrogenation of carboxylic acid compounds to aldehydes using MnO2 on gamma alumina as catalyst
CHEM SYSTEMS15 citations74
US4261899AApr 14, 1981
Phthalic anhydride reaction system
CHEM SYSTEMS16 citations74
US4262138AApr 14, 1981
Preparation of carboxylic acid esters with BF3 complex catalyst
CHEM SYSTEMS14 citations74
US4585900AApr 29, 1986
Hydrogenation of carboxylic acid compounds to aldehydes using Cu/YtO as catalyst
CHEM SYSTEMS7 citations73
US4325803AApr 20, 1982
Process for hydrogenation/extraction of organics contained in rock
CHEM SYSTEMS8 citations66
US4439309AMar 27, 1984
Two-stage hydrogen donor solvent cracking process
CHEM SYSTEMS6 citations63
POLYSAR INT SA
2 patentsRYU J YONG
1 patentGELBEIN ABRAHAM P
1 patentGREENE MARVIN I
1 patentCHEMICAL RES & LICENSING CO
1 patentBLUM DAVID B
1 patentSMITH JR LAWRENCE A
1 patentFANELLI ANTHONY J
1 patent(unassigned)
1 patentShowing the top 50 of 52 patents by PatentIndex Score.