Inventor
GREGORY PETER
GB87 patents
⚠️ This page may combine multiple inventors who share the name “GREGORY PETER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ZENECA LTD
27 patentsUS5486274AJan 23, 1996
Poly-substituted phthalocyanines
ZENECA LTD22 citations93
US5891230AApr 6, 1999
Bisazo ink-jet dyes
ZENECA LTD20 citations92
US5888286AMar 30, 1999
Bisazo ink-jet dyes
ZENECA LTD20 citations92
US5516899AMay 14, 1996
Phthalocyanines
ZENECA LTD31 citations92
US5374301ADec 20, 1994
Inks suitable for use in ink jet printing
ZENECA LTD50 citations92
US5296023AMar 22, 1994
Phthalocyanine colorants and their use in ink jet printing
ZENECA LTD21 citations92
US6290763B1Sep 18, 2001
AZO dyes and compositions comprising such dyes
ZENECA LTD23 citations91
US5820661AOct 13, 1998
Ink compositions containing disazo dyes
ZENECA LTD29 citations91
US6336721B1Jan 8, 2002
Multicolor ink jet printing method
ZENECA LTD32 citations90
US5882392AMar 16, 1999
Bisazo inkjet dyes
ZENECA LTD17 citations84
US6293667B1Sep 25, 2001
Process for producing an image on a substrate
ZENECA LTD16 citations82
US6059870AMay 9, 2000
Ink compositions, processes for making them and uses thereof
ZENECA LTD14 citations74
US5882391AMar 16, 1999
Bisazo inkjet dyes
ZENECA LTD13 citations74
US5847114ADec 8, 1998
Poly-substituted phthalocyantines
ZENECA LTD12 citations74
US5779780AJul 14, 1998
Ink and toner compositions containing a mixture of bis-azo dyes
ZENECA LTD11 citations74
US5772745AJun 30, 1998
Monoazo compounds
ZENECA LTD9 citations74
US5759247AJun 2, 1998
Ink compositions processes and uses
ZENECA LTD8 citations74
US5755862AMay 26, 1998
Monoazo dyes useful in ink compositions for printing on substrates by ink-jet printing
ZENECA LTD7 citations74
US5756693AMay 26, 1998
Disazo Compound
ZENECA LTD9 citations74
US5608053AMar 4, 1997
Poly-substituted phthalocyanines
ZENECA LTD9 citations74
US6075131AJun 13, 2000
Monoazocompounds with an indanyl moiety
ZENECA LTD7 citations73
US5629417AMay 13, 1997
Phthalocyanines
ZENECA LTD10 citations73
US5423906AJun 13, 1995
Trisazo dyes, inks comprising same and their use in ink jet printing
ZENECA LTD12 citations73
US5383960AJan 24, 1995
Ink jet printing inks
ZENECA LTD12 citations73
US5779778AJul 14, 1998
Ink composition containing a mixture of benzodifuranone dyes
ZENECA LTD9 citations72
US5779781AJul 14, 1998
Ink and toner compositions containing substituted phenyl AZO thiophene dye
ZENECA LTD10 citations72
US5370730ADec 6, 1994
Dye composition and aqueous ink derived therefrom
ZENECA LTD16 citations72
ICI PLC
15 patentsUS5177195AJan 5, 1993
Disazo dyes
ICI PLC238 citations98
US4764178AAug 16, 1988
Thermal transfer printing: hetero-aromatic azo dye
ICI PLC46 citations96
US5279656AJan 18, 1994
Xanthene dyes for ink jet printing
ICI PLC21 citations92
US5268459ADec 7, 1993
Azo dyes suitable for ink jet printing
ICI PLC36 citations92
US5262527ANov 16, 1993
Disazo dyes suitable for use in ink jet printing
ICI PLC28 citations92
US5160171ANov 3, 1992
Security coding
ICI PLC43 citations90
US5189153AFeb 23, 1993
Substituted phthalocyanines
ICI PLC8 citations74
US5055566AOct 8, 1991
Amine salts of disazo black dyes having good solubility in polar organic solvents
ICI PLC7 citations74
US4968657ANov 6, 1990
Thermal transfer printing
ICI PLC8 citations74
US4908435AMar 13, 1990
Aromatic disazo compounds having strong infra-red absorption
ICI PLC15 citations74
US4824437AApr 25, 1989
Thermal transfer printing sheet and process
ICI PLC6 citations74
US4808568AFeb 28, 1989
Thermal transfer printing
ICI PLC15 citations74
US4743581AMay 10, 1988
Thermal transfer printing
ICI PLC7 citations74
US5281263AJan 25, 1994
Azo dyes containing a carboxy group
ICI PLC11 citations73
US4725284AFeb 16, 1988
Thermal transfer printing with z-alkyl-phenoxy anthraquinone dye mixture
ICI PLC6 citations71
AVECIA LTD
6 patentsUS6632858B1Oct 14, 2003
Colored polyurethanes
AVECIA LTD27 citations92
US6455611B1Sep 24, 2002
Colored polyurethanes
AVECIA LTD25 citations92
US7056376B2Jun 6, 2006
Printing process using specified AZO compounds
AVECIA LTD22 citations90
US6235097B1May 22, 2001
Phthalocyanine compounds used in inks for ink jet printing
AVECIA LTD16 citations84
US6727296B1Apr 27, 2004
Ink-jet ink compositions
AVECIA LTD18 citations83
US6964701B2Nov 15, 2005
Azo dyes containing a barbituric acid moiety, ink-jet printing inks and processes
AVECIA LTD7 citations69
FIBERSENSE TECHNOLOGY CORP
1 patentICI LTD
1 patentShowing the top 50 of 87 patents by PatentIndex Score.