Inventor · disambiguated record
Joseph J. Valcho
Also filed as: VALCHO JOSEPH · VALCHO JOSEPH J
12 granted patents·1 pending application·573 citations·filing 1977–2015
93Inventor score
Top patents by PatentIndex Score
13 records- 0198US6107257AHighly grafted, multi-functional olefin copolymer VI modifiersETHYL CORP·Filed 1997·Granted Aug 22, 2000·338 cites·12 claims
- 0289US5616153ACopolymer dispersants via vinyl terminated propene polymersETHYL CORP·Filed 1995·Granted Apr 1, 1997·73 cites·62 claims
- 0387US5496480AAshless dispersants comprising reaction product of acylating agent and aminoguanidineETHYL CORP·Filed 1995·Granted Mar 5, 1996·38 cites·10 claims
- 0483US5302304ASilver protective lubricant compositionETHYL CORP·Filed 1992·Granted Apr 12, 1994·34 cites·17 claims
- 0581US5433875AAshless mannich despersants, their preparation, and their useETHYL CORP·Filed 1993·Granted Jul 18, 1995·20 cites·14 claims
- 0674US4253974AOil recovery and mobility control in surfactant systems using the reaction product of an alkenyl succinic anhydride and a tertiary amineSTANDARD OIL CO INDIANA·Filed 1978·Granted Mar 3, 1981·24 cites·6 claims
- 0753US4614602ALubricant overbased detergent-dispersants with improved solubilityAMOCO CORP·Filed 1985·Granted Sep 30, 1986·12 cites·11 claims
- 0849US4122020AOil recovery and mobility control using succinate surfactant systemsSTANDARD OIL CO·Filed 1977·Granted Oct 24, 1978·10 cites·27 claims
- 0949US4120800AOil recovery and mobility control using succinamate surfactant systemsSTANDARD OIL CO·Filed 1977·Granted Oct 17, 1978·10 cites·27 claims
- 1048US4601837AProcess for the preparation of overbased, molybdenum-alkaline earth metal sulfonate dispersionsAMOCO CORP·Filed 1985·Granted Jul 22, 1986·10 cites·34 claims
- 1135US2016194272A1Process for the etherification of amino alcoholsBASF SE·Filed 2015·Application pending·0 cites
- 1233US4634541AColor stabilizers for zinc dithiophosphatesSTANDARD OIL CO·Filed 1985·Granted Jan 6, 1987·3 cites·11 claims
- 1331US5612296AAshless dispersants their preparation and their useETHYL CORP·Filed 1995·Granted Mar 18, 1997·1 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →