Inventor · disambiguated record
Robert D. Lundberg
Also filed as: BOCK JAN · KLEIN ROBERT R · LUNDBERG ROBERT D · LUNDBERG ROBERT DEAN
256 granted patents·5,533 citations·filing 1971–1998
99Inventor score
Files withEXXON RESEARCH ENGINEERING CO141EXXON CHEMICAL PATENTS INC112EXXON PRODUCTION RESEARCH CO1LUNDBERG ROBERT D1NALCO EXXON ENERGY CHEM LP1
Top patents by PatentIndex Score
256 records- 0199US5266223AEthylene alpha-olefin polymer substituted mono-and dicarboxylic acid dispersant additivesEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Nov 30, 1993·142 cites·121 claims
- 0298US5633326APolyolefin-substituted amines grafted with poly(aromatic-N-monomers) for oleaginous compositionsEXXON CHEMICAL PATENTS INC·Filed 1996·Granted May 27, 1997·147 cites·10 claims
- 0398US5229022AEthylene alpha-olefin polymer substituted mono- and dicarboxylic acid dispersant additives (PT-920)EXXON CHEMICAL PATENTS INC·Filed 1992·Granted Jul 20, 1993·136 cites·94 claims
- 0498US5017299ANovel ethylene alpha-olefin copolymer substituted Mannich base lubricant dispersant additivesEXXON CHEMICAL PATENTS INC·Filed 1988·Granted May 21, 1991·147 cites·25 claims
- 0598US4963275ADispersant additives derived from lactone modified amido-amine adductsEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Oct 16, 1990·164 cites·45 claims
- 0697US5186851AEthylene alpha-olefin copolymer substituted mannich base lubricant dispersant additivesEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Feb 16, 1993·91 cites·8 claims
- 0797US5026495AOil soluble dispersant additives useful in oleaginous compositionsEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Jun 25, 1991·123 cites·24 claims
- 0897US4849572AProcess for preparing polybutenes having enhanced reactivity using boron trifluoride catalysts (PT-647)EXXON CHEMICAL PATENTS INC·Filed 1987·Granted Jul 18, 1989·161 cites·30 claims
- 0996US4971711ALactone-modified, mannich base dispersant additives useful in oleaginous compositionsEXXON CHEMICAL PATENTS INC·Filed 1989·Granted Nov 20, 1990·99 cites·112 claims
- 1095US5395539AAmide containing friction modifier for use in power transmission fluidsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Mar 7, 1995·91 cites·10 claims
- 1195US5275747ADerivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous compositionEXXON CHEMICAL PATENTS INC·Filed 1990·Granted Jan 4, 1994·63 cites·85 claims
- 1294US4956107AAmide dispersant additives derived from amino-aminesEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Sep 11, 1990·80 cites·37 claims
- 1394US4739834AControlled hydraulic fracturing via nonaqueous solutions containing low charge density polyampholytesEXXON RESEARCH ENGINEERING CO·Filed 1987·Granted Apr 26, 1988·119 cites·14 claims
- 1493US5484543AAmide containing friction modifier for use in power transmission fluidsEXXON CHEMICAL PATENTS INC·Filed 1994·Granted Jan 16, 1996·56 cites·10 claims
- 1593US5366647ADerivatized ethylene alpha-olefin polymer useful as multifunctional viscosity index improver additive for oleaginous composition (PT-796)EXXON CHEMICAL PATENTS INC·Filed 1993·Granted Nov 22, 1994·48 cites·8 claims
- 1693US4447338ADrilling mud viscosification agents based on sulfonated ionomersEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted May 8, 1984·76 cites·10 claims
- 1793US4153588AMetal neutralized sulfonated EPDM terpolymers and compositions thereofEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted May 8, 1979·67 cites·16 claims
- 1892US5292813AFullerene-grafted polymers and processes of makingEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Mar 8, 1994·48 cites·17 claims
- 1992US4425462ADrilling fluids based on sulfonated elastomeric polymersEXXON RESEARCH ENGINEERING CO·Filed 1982·Granted Jan 10, 1984·71 cites·15 claims
- 2091US5756428AHigh functionality low molecular weight oil soluble dispersant additives useful in oleaginous compositionEXXON CHEMICAL PATENTS INC·Filed 1988·Granted May 26, 1998·68 cites·30 claims
- 2191US5259968ADispersant additive comprising the reaction product of a polyanhydride and a mannich condensation productEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Nov 9, 1993·41 cites·17 claims
- 2291US4857217ADispersant additives derived from amido-aminesEXXON CHEMICAL PATENTS INC·Filed 1987·Granted Aug 15, 1989·61 cites·39 claims
- 2391US4379914APolycaprolactone polymersEXXON RESEARCH ENGINEERING CO·Filed 1981·Granted Apr 12, 1983·47 cites·6 claims
- 2490US6127321AOil soluble dispersant additives useful in oleaginous compositionsEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Oct 3, 2000·38 cites·35 claims
- 2589US6100224ACopolymers of ethylene α-olefin macromers and dicarboxylic monomers and derivatives thereof, useful as additives in lubricating oils and in fuelsEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Aug 8, 2000·66 cites·36 claims
- 2689US5032653ADirect synthesis by cationic polymerization of nitrogen-containing polymersEXXON CHEMICAL PATENTS INC·Filed 1988·Granted Jul 16, 1991·44 cites·22 claims
- 2789US4552939APreparation of sulfonated copolymers by suspension copolymerizationEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Nov 12, 1985·42 cites·4 claims
- 2888US5345002AEthylene alpha-olefin copolymer substituted hydroxy aromatic compoundsEXXON CHEMICAL PATENTS INC·Filed 1992·Granted Sep 6, 1994·27 cites·19 claims
- 2988US5292444ALube oil compositions containing fullerene-grafted polymersEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Mar 8, 1994·36 cites·13 claims
- 3088US4460758ADrag reduction agents for aqueous salt solutionsEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Jul 17, 1984·40 cites·12 claims
- 3188US4183406AMethod of treating a borehole using gellable polymersEXXON PRODUCTION RESEARCH CO·Filed 1978·Granted Jan 15, 1980·43 cites·28 claims
- 3288US4157432ABulk sulfonation processEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Jun 5, 1979·37 cites·24 claims
- 3388US4130517AMultiphase block and graft copolymers comprising a hydrophilic continuous phase and hydrophobic domainsEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Dec 19, 1978·40 cites·6 claims
- 3488US3974241ABlends of sulfonated elastomers with crystalline polyolefinsEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Aug 10, 1976·38 cites·10 claims
- 3587US4193899AElastomeric systems having unusual memory characteristicsEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Mar 18, 1980·47 cites·16 claims
- 3686US5792730ALubricating oil succinimide dispersants derived from heavy polyamineEXXON CHEMICAL PATENTS INC·Filed 1997·Granted Aug 11, 1998·49 cites·20 claims
- 3786US4627926AThermally stable borehole fluidsEXXON RESEARCH ENGINEERING CO·Filed 1984·Granted Dec 9, 1986·47 cites·8 claims
- 3885US4839071APolyolefinic succinimide polyamine alkyl acetoacetate adducts as dispersants in lubricating oil compositionsEXXON CHEMICAL PATENTS INC·Filed 1987·Granted Jun 13, 1989·42 cites·37 claims
- 3985US4489180ADrag reduction agent utilizing water soluble interpolymer complexesEXXON RESEARCH ENGINEERING CO·Filed 1983·Granted Dec 18, 1984·35 cites·10 claims
- 4084US5407591AOil soluble dispersant additives comprising the reaction product of a mannich base and a polyepoxideEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Apr 18, 1995·29 cites·18 claims
- 4184US4970260ANovel viscosifiers for salt-containing solutions based on polymer complexesEXXON RESEARCH ENGINEERING CO·Filed 1988·Granted Nov 13, 1990·40 cites·1 claims
- 4284US3974240AThermoplastic elastomer compositionsEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Aug 10, 1976·31 cites·12 claims
- 4384US3931021AMethod for controlling viscosity of lubricating oilsEXXON RESEARCH ENGINEERING CO·Filed 1974·Granted Jan 6, 1976·20 cites·38 claims
- 4483US4741956ABiodegradable coatings of ionomer polymerEXXON RESEARCH ENGINEERING CO·Filed 1986·Granted May 3, 1988·24 cites·10 claims
- 4582US5336745ATerminally-substituted polymeric compositions from cationically polymerizable monomers and initiatorsEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Aug 9, 1994·33 cites·17 claims
- 4682US4104824AMultiphase block and graft copolymers comprising a hydrophilic continuous phase and hydrophobic domainsEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Aug 8, 1978·29 cites·9 claims
- 4781US5328622AOil soluble dispersant additives modified with monoepoxy monounsaturated compoundsEXXON CHEMICAL PATENTS INC·Filed 1993·Granted Jul 12, 1994·30 cites·33 claims
- 4881US4147677ADry blending of neutralized sulfonated elastomeric powdersEXXON RESEARCH ENGINEERING CO·Filed 1977·Granted Apr 3, 1979·33 cites·33 claims
- 4980US5128056AEthylene alpha-olefin copolymer substituted amino phenol mannich base lubricant dispersant additivesEXXON CHEMICAL PATENTS INC·Filed 1991·Granted Jul 7, 1992·30 cites·46 claims
- 5080US4863624ADispersant additives mixtures for oleaginous compositionsEXXON CHEMICAL PATENTS INC·Filed 1987·Granted Sep 5, 1989·31 cites·33 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →