Inventor
GRINA LARRY D
US14 patents
Patents
14 patentsUS4904404AFeb 27, 1990
Lubricating oil containing viscosity index improver
TEXACO INC28 citations92
US4812261AMar 14, 1989
Lubricating oil containing viscosity index improver
TEXACO INC24 citations92
US4640788AFeb 3, 1987
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC42 citations92
US4780230AOct 25, 1988
Lubricating oil containing a mannich base
TEXACO INC31 citations90
US4820776AApr 11, 1989
Hydrocarbon compositions containing polyolefin graft polymers having amine and phenothiazine grafted moieties
TEXACO INC21 citations82
US4886611ADec 12, 1989
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC10 citations73
US4877415AOct 31, 1989
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC9 citations73
US4952637AAug 28, 1990
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC17 citations72
US4877834AOct 31, 1989
Lubricating oil containing a Mannich base
TEXACO INC18 citations71
US4816172AMar 28, 1989
Clear high-performance multifunction VI improvers
TEXACO INC15 citations69
US4842756AJun 27, 1989
Multifunctional viscosity index improver
TEXACO INC6 citations62
US4836943AJun 6, 1989
Anti-oxidant system
TEXACO INC4 citations62
US4798678AJan 17, 1989
Hydrocarbon containing anti-oxidant system
TEXACO INC4 citations62
US5520829AMay 28, 1996
Lubricating oil containing dispersant viscosity index improver
TEXACO INC0 citations52