Inventor
RHODES ROBERT B
US17 patents
⚠️ This page may combine multiple inventors who share the name “RHODES ROBERT B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
15 patentsUS5460739AOct 24, 1995
Star polymer viscosity index improver for oil compositions
SHELL OIL CO31 citations92
US5458791AOct 17, 1995
Star polymer viscosity index improver for oil compositions
SHELL OIL CO28 citations92
US4493776AJan 15, 1985
Lubricating oil composition with supplemental rust inhibitor
SHELL OIL CO51 citations92
US5302667AApr 12, 1994
Asymmetrical radial polymer and composition of matter comprising the same
SHELL OIL CO20 citations91
US4849481AJul 18, 1989
Star shaped asymmetric block copolymer of monoalkenyl aromatic hydrocarbon and conjugated diene
SHELL OIL CO52 citations91
US5070131ADec 3, 1991
Gear oil viscosity index improvers
SHELL OIL CO57 citations89
US5458792AOct 17, 1995
Asymmetric triblock copolymer viscosity index improver for oil compositions
SHELL OIL CO15 citations73
US5360564ANov 1, 1994
Dispersant viscosity index improvers
SHELL OIL CO10 citations73
US5035820AJul 30, 1991
Oil compositions containing modified star polymers
SHELL OIL CO14 citations73
US4877836AOct 31, 1989
Viscosity index improver and composition containing same
SHELL OIL CO10 citations73
US4086171AApr 25, 1978
Lubricating composition having a selectively sulfonated and hydrogenated block copolymer viscosity-index improver
SHELL OIL CO16 citations73
US5223579AJun 29, 1993
Solid viscosity index improvers which provide excellant low temperature viscosity
SHELL OIL CO6 citations72
US4900875AFeb 13, 1990
Polymeric viscosity index additive and oil composition comprising the same
SHELL OIL CO7 citations72
US5278252AJan 11, 1994
Solid viscosity index improvers which provide excellent low temperature viscosity
SHELL OIL CO4 citations61
USH1799HAug 3, 1999
Star polymer viscosity index improver for oil compositions
SHELL OIL CO2 citations56