Inventor
KAPUSCINSKI MARIA M
US35 patents
⚠️ This page may combine multiple inventors who share the name “KAPUSCINSKI MARIA M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXACO INC
34 patentsUS5356999AOct 18, 1994
Multifunctional viscosity index improvers based on polymers containing sulfonamides
TEXACO INC23 citations92
US5094766AMar 10, 1992
Dispersant-antioxidant viscosity index improver
TEXACO INC30 citations92
US4941985AJul 17, 1990
Dispersant/antioxidant VII lubricant additive
TEXACO INC23 citations92
US4904404AFeb 27, 1990
Lubricating oil containing viscosity index improver
TEXACO INC28 citations92
US4812261AMar 14, 1989
Lubricating oil containing viscosity index improver
TEXACO INC24 citations92
US4715975ADec 29, 1987
Oil containing dispersant VII olefin copolymer
TEXACO INC25 citations92
US4640788AFeb 3, 1987
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC42 citations92
US5162086ANov 10, 1992
Dispersant additive and lubricating oil composition containing same
TEXACO INC20 citations82
US4820776AApr 11, 1989
Hydrocarbon compositions containing polyolefin graft polymers having amine and phenothiazine grafted moieties
TEXACO INC21 citations82
US4699723AOct 13, 1987
Dispersant-antioxidant multifunction viscosity index improver
TEXACO INC19 citations82
US5160446ANov 3, 1992
Dispersant, vi improver and antioxidant additive, and lubricating oil composition containing same
TEXACO INC10 citations74
US4769043ASep 6, 1988
Oil containing dispersant VII olefin copolymer
TEXACO INC13 citations74
US5424366AJun 13, 1995
Multifunctional viscosity index improver containing phenothiazine
TEXACO INC13 citations73
US5374364ADec 20, 1994
Multifunction viscosity index improvers
TEXACO INC8 citations73
US5200100AApr 6, 1993
Multifunctional viscosity index improver containing phenothiazine
TEXACO INC5 citations73
US5094765AMar 10, 1992
Lubricating oil composition
TEXACO INC18 citations73
US5021177AJun 4, 1991
Dispersant-antioxidant multifunctional viscosity index improver
TEXACO INC9 citations73
US4886611ADec 12, 1989
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC10 citations73
US4877415AOct 31, 1989
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC9 citations73
US4790948ADec 13, 1988
Lubricating oil containing dispersant viscosity index improver
TEXACO INC12 citations73
US4767553AAug 30, 1988
Lubricating oil containing dispersant viscosity index improver
TEXACO INC16 citations73
US4764304AAug 16, 1988
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC13 citations73
US4952637AAug 28, 1990
Hydrocarbon compositions containing polyolefin graft polymers
TEXACO INC17 citations72
US4816172AMar 28, 1989
Clear high-performance multifunction VI improvers
TEXACO INC15 citations69
US5472627ADec 5, 1995
Polymeric lubricant additive designed to enhance anti-wear, anti-oxidancy, and dispersancy thereof
TEXACO INC4 citations62
US5275746AJan 4, 1994
Multifunctional viscosity index improver containing phenothiazine
TEXACO INC6 citations62
US5135671AAug 4, 1992
Multifunctional viscosity index improver containing units from unsaturated chlorides and aromatic amines
TEXACO INC2 citations62
US4948524AAug 14, 1990
Dispersant anti-oxidant VI improver and lubricating oil composition containing same
TEXACO INC5 citations62
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
US4795577AJan 3, 1989
Lubricating oil containing dispersant viscosity index improver
TEXACO INC4 citations62
US5474693ADec 12, 1995
Modifiers for improving clarity of multifunctional VI improver oil compositions
TEXACO INC5 citations54
US5520829AMay 28, 1996
Lubricating oil containing dispersant viscosity index improver
TEXACO INC0 citations52