Inventor
MALFER DENNIS J
US22 patents
⚠️ This page may combine multiple inventors who share the name “MALFER DENNIS J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ETHYL CORP
8 patentsUS6048373AApr 11, 2000
Fuels compositions containing polybutenes of narrow molecular weight distribution
ETHYL CORP88 citations98
US5697988ADec 16, 1997
Fuel compositions
ETHYL CORP147 citations98
US5752989AMay 19, 1998
Diesel fuel and dispersant compositions and methods for making and using same
ETHYL CORP106 citations97
US5725612AMar 10, 1998
Additives for minimizing intake valve deposits, and their use
ETHYL CORP155 citations97
US6866690B2Mar 15, 2005
Friction modifier additives for fuel compositions and methods of use thereof
ETHYL CORP24 citations92
US6800103B2Oct 5, 2004
Secondary amine mannich detergents
ETHYL CORP43 citations89
US5411559AMay 2, 1995
Succinimides
ETHYL CORP6 citations74
US5030436AJul 9, 1991
Spent acid purification process
ETHYL CORP7 citations66
ETHYL PETROLEUM ADDITIVES INC
4 patentsUS5312555AMay 17, 1994
Succinimides
ETHYL PETROLEUM ADDITIVES INC10 citations74
US5122616AJun 16, 1992
Succinimides
ETHYL PETROLEUM ADDITIVES INC16 citations74
US4997456AMar 5, 1991
Fuel compositions
ETHYL PETROLEUM ADDITIVES INC11 citations74
US5106975AApr 21, 1992
Hexahydropyrimidine derivatives
ETHYL PETROLEUM ADDITIVES INC6 citations61