Inventor
PATEL PRAKASH
GB39 patents
⚠️ This page may combine multiple inventors who share the name “PATEL PRAKASH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJIFILM IMAGING COLORANTS LTD
17 patentsUS7575626B2Aug 18, 2009
Phthalocyanines and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD10 citations84
US7575627B2Aug 18, 2009
Phthalocyanines and their use in ink-jet printing
FUJIFILM IMAGING COLORANTS LTD10 citations84
US7449058B2Nov 11, 2008
Phthalocyanines and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD10 citations84
US7189283B2Mar 13, 2007
Phthalocyanines and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD13 citations84
US7182806B2Feb 27, 2007
Phthalocyanines and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD14 citations84
US7314273B2Jan 1, 2008
Process for preparing phthalocyanine compounds
FUJIFILM IMAGING COLORANTS LTD16 citations78
US7326287B2Feb 5, 2008
Cyan inks and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD8 citations74
US7156908B2Jan 2, 2007
Phthalocyanine compounds, ink compositions comprising said compounds, and printing process therewith
FUJIFILM IMAGING COLORANTS LTD9 citations74
US7147698B2Dec 12, 2006
Phthalocyanine compounds used in inks
FUJIFILM IMAGING COLORANTS LTD10 citations74
US7922799B2Apr 12, 2011
Phthalocyanines and their use in ink-jet printing
FUJIFILM IMAGING COLORANTS LTD5 citations63
US7678899B2Mar 16, 2010
Phthalocyanines and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD3 citations63
US7238227B2Jul 3, 2007
Magenta metal chelate dyes and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD2 citations61
US7544236B2Jun 9, 2009
Phthalocyanine compounds and their use in ink-jet printing
FUJIFILM IMAGING COLORANTS LTD4 citations60
US7641726B2Jan 5, 2010
Phthalocyanines and their use in ink-jet printing
FUJIFILM IMAGING COLORANTS LTD1 citations52
US7641725B2Jan 5, 2010
Phthalocyanines and their use in ink-jet printing
FUJIFILM IMAGING COLORANTS LTD0 citations52
US7485180B2Feb 3, 2009
Phthalocyanines and their use in ink-jet printers
FUJIFILM IMAGING COLORANTS LTD0 citations52
US7141106B2Nov 28, 2006
Ink jet printing composition comprising a dye containing hydrazine or hydrazide
FUJIFILM IMAGING COLORANTS LTD0 citations52
AVECIA LTD
5 patentsUS6979364B2Dec 27, 2005
Metal chelate compounds and inks
AVECIA LTD21 citations91
US7022171B2Apr 4, 2006
Phthalocyanine compounds and ink compositions comprising the same
AVECIA LTD25 citations86
US7014696B2Mar 21, 2006
Compounds, compositions and uses
AVECIA LTD14 citations84
US6969421B2Nov 29, 2005
Processes, compositions and compounds
AVECIA LTD12 citations83
US6635747B2Oct 21, 2003
Dyes, inks and their use in ink-jet printing
AVECIA LTD11 citations74
ZENECA LTD
5 patentsUS5755862AMay 26, 1998
Monoazo dyes useful in ink compositions for printing on substrates by ink-jet printing
ZENECA LTD7 citations74
US5281241AJan 25, 1994
Polycyclic dyes
ZENECA LTD18 citations74
US5976197ANov 2, 1999
Dyeing process and dyes
ZENECA LTD12 citations68
US5374724ADec 20, 1994
Process for the preparation of substituted acetic acids
ZENECA LTD0 citations51
US5319109AJun 7, 1994
Polycyclic dyes
ZENECA LTD0 citations42
ICI PLC
4 patentsUS5189153AFeb 23, 1993
Substituted phthalocyanines
ICI PLC8 citations74
US5189181AFeb 23, 1993
Process for preparation 2,6-dihydrobenzo[1:26, 4:5-6]-difuran dyes
ICI PLC2 citations62
US5220040AJun 15, 1993
Mixed and mixed crystal benzodefuranone dyes
ICI PLC3 citations59
US5099071AMar 24, 1992
Anthanthrone derivatives
ICI PLC0 citations42