Inventor
LUNDBERG ROBERT D
US249 patents
⚠️ This page may combine multiple inventors who share the name “LUNDBERG ROBERT D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EXXON CHEMICAL PATENTS INC
36 patentsUS5633326AMay 27, 1997
Polyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositions
EXXON CHEMICAL PATENTS INC147 citations99
US5017299AMay 21, 1991
Novel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives
EXXON CHEMICAL PATENTS INC147 citations99
US4963275AOct 16, 1990
Dispersant additives derived from lactone modified amido-amine adducts
EXXON CHEMICAL PATENTS INC164 citations99
US5266223ANov 30, 1993
Ethylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additives
EXXON CHEMICAL PATENTS INC142 citations98
US5229022AJul 20, 1993
Ethylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)
EXXON CHEMICAL PATENTS INC136 citations98
US5026495AJun 25, 1991
Oil soluble dispersant additives useful in oleaginous compositions
EXXON CHEMICAL PATENTS INC123 citations98
US4849572AJul 18, 1989
Process for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647)
EXXON CHEMICAL PATENTS INC161 citations98
US5366647ANov 22, 1994
Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition (PT-796)
EXXON CHEMICAL PATENTS INC48 citations96
US5275747AJan 4, 1994
Derivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition
EXXON CHEMICAL PATENTS INC63 citations96
US5186851AFeb 16, 1993
Ethylene alpha-olefin copolymer substituted mannich base lubricant dispersant additives
EXXON CHEMICAL PATENTS INC91 citations96
US4971711ANov 20, 1990
Lactone-modified, mannich base dispersant additives useful in oleaginous compositions
EXXON CHEMICAL PATENTS INC99 citations96
US4956107ASep 11, 1990
Amide dispersant additives derived from amino-amines
EXXON CHEMICAL PATENTS INC80 citations96
US4857217AAug 15, 1989
Dispersant additives derived from amido-amines
EXXON CHEMICAL PATENTS INC61 citations96
US5484543AJan 16, 1996
Amide containing friction modifier for use in power transmission fluids
EXXON CHEMICAL PATENTS INC56 citations95
US5032653AJul 16, 1991
Direct synthesis by cationic polymerization of nitrogen-containing polymers
EXXON CHEMICAL PATENTS INC44 citations95
US6100224AAug 8, 2000
Copolymers of ethylene α-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuels
EXXON CHEMICAL PATENTS INC66 citations94
US5395539AMar 7, 1995
Amide containing friction modifier for use in power transmission fluids
EXXON CHEMICAL PATENTS INC91 citations94
US6355074B1Mar 12, 2002
Oil soluble dispersant additives useful in oleaginous compositions
EXXON CHEMICAL PATENTS INC21 citations93
US6127321AOct 3, 2000
Oil soluble dispersant additives useful in oleaginous compositions
EXXON CHEMICAL PATENTS INC38 citations93
US6051537AApr 18, 2000
Dispersant additive mixtures for oleaginous compositions
EXXON CHEMICAL PATENTS INC18 citations93
US5578237ANov 26, 1996
Gel-free α-olefin dispersant additives useful in oleaginous compositions
EXXON CHEMICAL PATENTS INC19 citations93
US5407591AApr 18, 1995
Oil soluble dispersant additives comprising the reaction product of a mannich base and a polyepoxide
EXXON CHEMICAL PATENTS INC29 citations93
US5382698AJan 17, 1995
Borated ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additives
EXXON CHEMICAL PATENTS INC21 citations93
US5345002ASep 6, 1994
Ethylene alpha-olefin copolymer substituted hydroxy aromatic compounds
EXXON CHEMICAL PATENTS INC27 citations93
US5328622AJul 12, 1994
Oil soluble dispersant additives modified with monoepoxy monounsaturated compounds
EXXON CHEMICAL PATENTS INC30 citations93
US5308364AMay 3, 1994
Fuel compositions containing improved branched amido-amine dispersant additives
EXXON CHEMICAL PATENTS INC21 citations93
US5268115ADec 7, 1993
Alkyl-substituted hydroxyaromatic compounds useful as a multifunctional viscosity index improver
EXXON CHEMICAL PATENTS INC27 citations93
US5259968ANov 9, 1993
Dispersant additive comprising the reaction product of a polyanhydride and a mannich condensation product
EXXON CHEMICAL PATENTS INC41 citations93
US5128056AJul 7, 1992
Ethylene alpha-olefin copolymer substituted amino phenol mannich base lubricant dispersant additives
EXXON CHEMICAL PATENTS INC30 citations93
US5034018AJul 23, 1991
Fuel additives derived from amido-amines (PT-731)
EXXON CHEMICAL PATENTS INC26 citations93
US4863624ASep 5, 1989
Dispersant additives mixtures for oleaginous compositions
EXXON CHEMICAL PATENTS INC31 citations93
US5792730AAug 11, 1998
Lubricating oil succinimide dispersants derived from heavy polyamine
EXXON CHEMICAL PATENTS INC49 citations92
US5759967AJun 2, 1998
Ethylene α-olefin/diene interpolymer-substituted carboxylic acid dispersant additives
EXXON CHEMICAL PATENTS INC26 citations92
US5681799AOct 28, 1997
Ethylene alpha-olefin/diene interpolymer-substituted carboxylic acid dispersant additives
EXXON CHEMICAL PATENTS INC31 citations92
US4906252AMar 6, 1990
Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in fuel oil compositions
EXXON CHEMICAL PATENTS INC26 citations92
US4839071AJun 13, 1989
Polyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositions
EXXON CHEMICAL PATENTS INC42 citations92
EXXON RESEARCH ENGINEERING CO
14 patentsUS4739834AApr 26, 1988
Controlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytes
EXXON RESEARCH ENGINEERING CO119 citations96
US4447338AMay 8, 1984
Drilling mud viscosification agents based on sulfonated ionomers
EXXON RESEARCH ENGINEERING CO76 citations96
US4425462AJan 10, 1984
Drilling fluids based on sulfonated elastomeric polymers
EXXON RESEARCH ENGINEERING CO71 citations96
US4153588AMay 8, 1979
Metal neutralized sulfonated EPDM terpolymers and compositions thereof
EXXON RESEARCH ENGINEERING CO67 citations96
US4552939ANov 12, 1985
Preparation of sulfonated copolymers by suspension copolymerization
EXXON RESEARCH ENGINEERING CO42 citations93
US4489180ADec 18, 1984
Drag reduction agent utilizing water soluble interpolymer complexes
EXXON RESEARCH ENGINEERING CO35 citations93
US4460758AJul 17, 1984
Drag reduction agents for aqueous salt solutions
EXXON RESEARCH ENGINEERING CO40 citations93
US4379914AApr 12, 1983
Polycaprolactone polymers
EXXON RESEARCH ENGINEERING CO47 citations93
US4147677AApr 3, 1979
Dry blending of neutralized sulfonated elastomeric powders
EXXON RESEARCH ENGINEERING CO33 citations93
US5292813AMar 8, 1994
Fullerene-grafted polymers and processes of making
EXXON RESEARCH ENGINEERING CO48 citations92
US5292444AMar 8, 1994
Lube oil compositions containing fullerene-grafted polymers
EXXON RESEARCH ENGINEERING CO36 citations92
US4970260ANov 13, 1990
Novel viscosifiers for salt-containing solutions based on polymer complexes
EXXON RESEARCH ENGINEERING CO40 citations92
US4442011AApr 10, 1984
Drilling mud viscosification agents based on sulfonated ionomers
EXXON RESEARCH ENGINEERING CO30 citations92
US4361672ANov 30, 1982
Hot melt adhesive compositions
EXXON RESEARCH ENGINEERING CO29 citations92
Showing the top 50 of 249 patents by PatentIndex Score.