Inventor
DIETZ JEFFRY G
US33 patents
⚠️ This page may combine multiple inventors who share the name “DIETZ JEFFRY G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LUBRIZOL CORP
28 patentsUS6165235ADec 26, 2000
Low chlorine content compositions for use in lubricants and fuels
LUBRIZOL CORP287 citations98
US6114547ASep 5, 2000
Hydroxy-substituted monolactones and use thereof as intermediates for preparing lubricating oil and fuel additives
LUBRIZOL CORP54 citations96
US6020500AFeb 1, 2000
Hydroxy-substituted monolactones useful as intermediates for preparing lubricating oil and fuel additives
LUBRIZOL CORP63 citations96
US5786490AJul 28, 1998
Process for preparing compositions useful as intermediates for preparing lubricating oil and fuel additives
LUBRIZOL CORP58 citations96
US5777142AJul 7, 1998
Unsaturated hydroxycarboxylic compounds useful as intermediates for preparing lubricant and fuel additives
LUBRIZOL CORP54 citations96
US5739356AApr 14, 1998
Lactones useful as intermediates for preparing lubricating oil and fuel additives
LUBRIZOL CORP71 citations96
US7238650B2Jul 3, 2007
Low-chlorine, polyolefin-substituted, with amine reacted, alpha-beta unsaturated carboxylic compounds
LUBRIZOL CORP138 citations95
US6077909AJun 20, 2000
Low chlorine content compositions for use in lubricants and fuels
LUBRIZOL CORP61 citations95
US5413725AMay 9, 1995
Pour point depressants for high monounsaturated vegetable oils and for high monounsaturated vegetable oils/biodegradable base and fluid mixtures
LUBRIZOL CORP100 citations95
US11214756B2Jan 4, 2022
Lubricant compositions for direct injection engine
LUBRIZOL CORP16 citations93
US5851966ADec 22, 1998
Reaction products of substituted carboxylic acylating agents and carboxylic reactants for use in fuels and lubricants
LUBRIZOL CORP41 citations93
US5696060ADec 9, 1997
Acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions
LUBRIZOL CORP33 citations93
US5696067ADec 9, 1997
Hydroxy-group containing acylated nitrogen compounds useful as additives for lubricating oil and fuel compositions
LUBRIZOL CORP37 citations93
US5912213AJun 15, 1999
Substituted carboxylic acylating agent compositions and derivatives thereof for use in lubricants and fuels
LUBRIZOL CORP43 citations92
US5885944AMar 23, 1999
Low chlorine polyalkylene substituted carboxylic acylating agent compositions and compounds derived therefrom
LUBRIZOL CORP43 citations92
US6407170B1Jun 18, 2002
Dispersants prepared from high polydispersity olefin polymers
LUBRIZOL CORP16 citations90
US11034910B2Jun 15, 2021
Lubricant compositions for direct injection engines
LUBRIZOL CORP15 citations85
US10669505B2Jun 2, 2020
Lubricant compositions for direct injection engines
LUBRIZOL CORP15 citations85
US10800992B2Oct 13, 2020
Lubricant compositions for direct injection engine
LUBRIZOL CORP8 citations83
US6117941ASep 12, 2000
Intermediates useful for preparing dispersant-viscosity improvers for lubricating oils
LUBRIZOL CORP9 citations74
US6258761B1Jul 10, 2001
Lubricating oil additives
LUBRIZOL CORP12 citations73
US11608478B2Mar 21, 2023
Lubricant compositions for direct injection engine
LUBRIZOL CORP2 citations72
US10494584B2Dec 3, 2019
Lubricant compositions for direct injection engines
LUBRIZOL CORP6 citations72
US6211122B1Apr 3, 2001
Carboxylic compositions and derivatives thereof and use as lubricating oil and fuel additives
LUBRIZOL CORP2 citations63
US12275912B2Apr 15, 2025
Lubricant compositions for direct injection engine
LUBRIZOL CORP0 citations62
US9279093B2Mar 8, 2016
Lubricating composition containing an aromatic compound
LUBRIZOL CORP2 citations62
US6500898B2Dec 31, 2002
Dispersants prepared from high polydispersity olefin polymers
LUBRIZOL CORP2 citations60
US9777240B2Oct 3, 2017
Lubricating composition containing an aromatic compound
LUBRIZOL CORP0 citations52