Inventor
Stephen Zushma
Inventor
Clinton, NJ, US
Overview
Patents· 68 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds18%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%
C10MLubricating compositions9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
C08LCompositions of macromolecular compounds7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C10LFuels not otherwise provided for5%
C07DHeterocyclic compounds4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%
Y02PClimate change mitigation technologies in the production or processing of goods4%
PatentTitleYear
10,662,388Ester compounds, lubricating oil compositions containing same and processes for making same202010,364,220Synthesis of succinimides and quaternary ammonium ions for use in making molecular sieves201910,351,506Purified plasticizers, production and use201910,322,991Selective aerobic oxidation of dimethylbiphenyls201910,287,230Selective aerobic oxidation of dimethylbiphenyls201910,233,403High viscosity index monomethyl ester lubricating oil base stocks and methods of making and use thereof201910,081,593Alkyl aromatic hydroalkylation for the production of plasticizers201810,035,762Synthesis of succinimides and quaternary ammonium ions for use in making molecular sieves20189,896,570'Indane and/or tetralin ester plasticizers, and blends therefrom'20189,815,767'Alkyl aromatic hydroalkylation for the production of plasticizers'20179,580,571'Aromatic acylation with cyclic anhydride for plasticizer production'20179,556,103'Biphenyl esters, their production and their use in the manufacture of plasticizers'20179,534,104'Plasticizer blends and use thereof'20179,512,296'Aromatic acylation with cyclic anhydride for plasticizer production'20169,422,227'Substituted naphthalenes as feedstock for plasticizer production'20169,321,898'Alkyl aromatic hydroalkylation for the production of plasticizers'20169,085,669'Alkyl aromatic hydroalkylation for the production of plasticizers'20158,969,272'Hydroxyaromatic functionalized polyalpha-olefins'20158,921,610'Oxidation of alkylbenzenes'20148,921,609'Oxidation of hydrocarbons'20148,884,065'Process for producing cycloalkylaromatic compounds'20148,859,821'Polyketone plasticizers'20148,829,093'Alkyl aromatic hydroalkylation for the production of plastisizers'20148,815,992'Tetracarboxylic ester plasticizers'20148,791,306'Oxidation of alkylaromatic compounds'20148,658,839'Oxidation of hydrocarbons'20148,658,836'Oxidation of hydrocarbons'20148,658,835'Oxidation of hydrocarbons'20148,604,110'Alkyl aromatic plasticizers and methods of making'20138,604,114'Aromatic acylation with cyclic anhydride for plasticizer production'20138,592,634'Process for producing phenol'20138,519,057'Impact modification and functionalization of copolymers of olefins and dienes'20138,487,138'Oxidation of hydrocarbons'20138,461,397'Oxidation of hydrocarbons'20138,461,398'Oxidation of alkylaromatic compounds'20138,445,730'Process for producing phenol'20138,426,529'Ethylene/dicyclopentadiene copolymers and functionalized derivatives thereof'20138,115,034'Polyketone plasticizers'20127,759,524'Process for producing phenol and methyl ethyl ketone'20107,429,684'Process for oligomerization of ethylene to linear α-olefins'20086,881,806'Geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making same'20056,864,334'Multi-dentate late transition metal catalyst complexes and polymerization methods using those complexes'20056,864,319'Geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making same'20056,809,058'Multi-dentate late transition metal catalyst complexes and polymerization methods using those complexes'20046,777,514'Geminally disubstituted olefin-carbon monoxide-ethylene polymer useful as a polyvinyl chloride plasticizer and a method of making same'20046,777,584'Selective coupling of terminal olefins with ethylene to manufacture linear -olefins'20046,743,960'Method for oligomerizing olefins to form higher olefins using sulfur-containing and sulfur-tolerant catalysts'20046,730,757'Sulfur-containing and sulfur-nitrogen-containing catalysts for polymerization of olefins and polar monomers'20046,689,928'Transition metal complexes and oligomers therefrom'20046,506,859'Polymerization using late transition metal catalyst complexes formed in situ'20036,501,000'Late transition metal catalyst complexes and oligomers therefrom'20026,444,784'Wax crystal modifiers (LAW657)'20025,919,869'Polymers having terminal hydroxyl, aldehyde, or alkylamino substituents and derivatives thereof'19995,880,219'Polymers having terminal hydroxyl, aldehyde, or alkylamino substituents and derivatives thereof'19995,872,084'Dispersants derived from heavy polyamine and second amine'19995,854,186'Lubricating oil dispersants derived from heavy polyamine'19985,783,735'Process for preparing polymeric amides useful as additives in fuels and lubricating oils'19985,780,554'Saturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereof'19985,777,041'Saturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereof'19985,756,431'Dispersants derived from heavy polyamine and second amine'19985,691,422'Saturated polyolefins having terminal aldehyde or hydroxy substituents and derivatives thereof'19975,674,950'Polymers having terminal hydroxyl aldehyde, or alkylamino substitutents and derivatives thereof'19975,639,396'Mannich base polymers'19975,627,259'Amidation of ester functionalized hydrocarbon polymers'19975,608,029'Mannich base polymers'19975,585,516'Two tail-two head and two tail-one head surfactants'19965,493,050'Diphenyl dialkyl methane surfactants'19965,393,441'Two-cycle oil additive'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2020Based in Clinton, NJ, US· patent location history
1997–1999Patents assigned to EXXON CHEMICAL PATENTS INC (13)· patent assignee history
2002–2019Patents assigned to EXXONMOBIL RES & ENG CO (22)· patent assignee history
2012–2016Patents assigned to EXXONMOBIL CHEM PATENTS INC (20)· patent assignee history
2012–2015Patents assigned to ZUSHMA STEPHEN (20)· patent assignee history
2013–2014Patents assigned to DAKKA JIHAD M (11)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| EXXONMOBIL RES & ENG CO | 22 | 2002–2019 |
| EXXONMOBIL CHEM PATENTS INC | 20 | 2012–2016 |
| ZUSHMA STEPHENself | 20 | 2012–2015 |
| EXXON CHEMICAL PATENTS INC | 13 | 1997–1999 |
| DAKKA JIHAD M | 11 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Clinton, New Jersey, US | 68 | 1995–2020 |