Inventor
VALCHO JOSEPH J
12 patents
⚠️ This page may combine multiple inventors who share the name “VALCHO JOSEPH J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ETHYL CORP
6 patentsUS6107257AAug 22, 2000
Highly grafted, multi-functional olefin copolymer VI modifiers
ETHYL CORP338 citations97
US5496480AMar 5, 1996
Ashless dispersants comprising reaction product of acylating agent and aminoguanidine
ETHYL CORP38 citations95
US5302304AApr 12, 1994
Silver protective lubricant composition
ETHYL CORP34 citations92
US5616153AApr 1, 1997
Copolymer dispersants via vinyl terminated propene polymers
ETHYL CORP73 citations91
US5433875AJul 18, 1995
Ashless mannich despersants, their preparation, and their use
ETHYL CORP20 citations91
US5612296AMar 18, 1997
Ashless dispersants their preparation and their use
ETHYL CORP1 citations61
STANDARD OIL CO
3 patentsUS4122020AOct 24, 1978
Oil recovery and mobility control using succinate surfactant systems
STANDARD OIL CO10 citations72
US4120800AOct 17, 1978
Oil recovery and mobility control using succinamate surfactant systems
STANDARD OIL CO10 citations72
US4634541AJan 6, 1987
Color stabilizers for zinc dithiophosphates
STANDARD OIL CO3 citations61