Inventor
POWELL RICHARD LLEWELLYN
GB13 patents
⚠️ This page may combine multiple inventors who share the name “POWELL RICHARD LLEWELLYN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ICI PLC
8 patentsUS5856593AJan 5, 1999
Process for the production of fluorine containing olefins
ICI PLC33 citations92
US6224847B1May 1, 2001
Process for the extraction of a compound by a fluorocarbon compound
ICI PLC24 citations91
US6106740AAug 22, 2000
Non-azeotropic refrigerant composition of CO2, R-125, R-143a and R-22
ICI PLC22 citations91
US5824225AOct 20, 1998
Purification process
ICI PLC21 citations87
US6183661B1Feb 6, 2001
Composition comprising a hydrofluoroalkane or hydrochlorofluoroalkane and a polyether lubricant
ICI PLC44 citations86
US5968368AOct 19, 1999
Purification process
ICI PLC13 citations68
US5902913AMay 11, 1999
Production of hydrofluoroalkanes
ICI PLC5 citations60
US5756868AMay 26, 1998
Production of hydrofluorocarbons
ICI PLC0 citations51