Inventor
HUGHES NIGEL
GB15 patents
⚠️ This page may combine multiple inventors who share the name “HUGHES NIGEL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ICI PLC
7 patentsUS5203912AApr 20, 1993
Anionic dye
ICI PLC35 citations92
US5053495AOct 1, 1991
Anionic dye having high water-fastness
ICI PLC31 citations92
US4824948AApr 25, 1989
Substituted phthalocyanine
ICI PLC22 citations77
US4908062AMar 13, 1990
Water-soluble dye
ICI PLC11 citations66
US5189181AFeb 23, 1993
Process for preparation 2,6-dihydrobenzo[1:26, 4:5-6]-difuran dyes
ICI PLC2 citations62
US4922020AMay 1, 1990
1,1,5,5-tetra(4-aminophenyl)-pentadi-1,4-ene compounds
ICI PLC6 citations62
US5220040AJun 15, 1993
Mixed and mixed crystal benzodefuranone dyes
ICI PLC3 citations59
ZENECA LTD
4 patentsUS5625080AApr 29, 1997
Benzodifurantrione compounds and process
ZENECA LTD4 citations62
US5717112AFeb 10, 1998
Benzofuranone and benzodifuranone compounds
ZENECA LTD1 citations59
USRE35145EJan 9, 1996
Substituted phthalocyanine
ZENECA LTD2 citations57
US5374724ADec 20, 1994
Process for the preparation of substituted acetic acids
ZENECA LTD0 citations51