Inventor
SUTHERLAND ROBERT J
US13 patents
⚠️ This page may combine multiple inventors who share the name “SUTHERLAND ROBERT J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
10 patentsUS5247026ASep 21, 1993
Randomly epoxidized small star polymers
SHELL OIL CO59 citations96
US5486563AJan 23, 1996
Process for making dispersant viscosity index improvers
SHELL OIL CO26 citations92
US5338802AAug 16, 1994
Low temperature conversion of polymerized esters
SHELL OIL CO20 citations92
US5428114AJun 27, 1995
Randomly epoxidized small star polymers
SHELL OIL CO8 citations74
US5496898AMar 5, 1996
Star polymers of dienes, vinylarenes and alkyl methacrylates as modified viscosity index improvers
SHELL OIL CO10 citations73
US5397841AMar 14, 1995
Grafted polymers having reactive groups at the base
SHELL OIL CO8 citations73
US5360564ANov 1, 1994
Dispersant viscosity index improvers
SHELL OIL CO10 citations73
US5272211ADec 21, 1993
Block copolymers of dienes, vinylarenes, and alkylmethacrylates as modified viscosity index improvers
SHELL OIL CO16 citations73
US5344887ASep 6, 1994
Star polymers of dienes, vinylarenes and alkyl methacrylates as modiied viscosity index improvers
SHELL OIL CO7 citations65
US5616542AApr 1, 1997
Oil with asymmetric radial polymer having block copolymer arm
SHELL OIL CO5 citations62