P

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 patents
US5633326AMay 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 patents
US4739834AApr 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.