Inventor
MATRICK HOWARD
US25 patents
Patents
25 patentsUS5169436ADec 8, 1992
Sulfur-containing penetrants for ink jet inks
DU PONT178 citations99
US5141556AAug 25, 1992
Penetrants for aqueous ink jet inks
DU PONT272 citations99
US5221334AJun 22, 1993
Aqueous pigmented inks for ink jet printers
DU PONT304 citations98
US5205861AApr 27, 1993
Aqueous ink jet inks containing alkylene oxide condensates of certain nitrogen heterocyclic compounds as cosolvents
DU PONT118 citations98
US5160372ANov 3, 1992
Aqueous ink jet inks containing ester diol and amide diol cosolvents
DU PONT126 citations98
US5356464AOct 18, 1994
Aqueous ink compositions containing anti-curl agents
DU PONT195 citations97
US5180425AJan 19, 1993
Aqueous ink jet inks containing polyol/alkylene oxide condensates as cosolvents
DU PONT168 citations97
US5085698AFeb 4, 1992
Aqueous pigmented inks for ink jet printers
DU PONT906 citations97
US5555008ASep 10, 1996
Process for alleviating bleed in printed elements
DU PONT82 citations96
US5224987AJul 6, 1993
Penetrants for aqueous ink jet inks
DU PONT102 citations96
US5169438ADec 8, 1992
Aqueous ink jet inks containing cycloaliphatic diol pluggage inhibitors
DU PONT84 citations96
US5268027ADec 7, 1993
Alkylpolyol ethers as cosolvents for ink jet inks
DU PONT72 citations95
US5250109AOct 5, 1993
Derivatives of polyoxyalkyleneamines as cosolvents for aqueous ink jet inks
DU PONT74 citations95
US5173112ADec 22, 1992
Nitrogen-containing organic cosolvents for aqueous ink jet inks
DU PONT98 citations95
US5801738ASep 1, 1998
Process for alleviating bleed and improving color in printed elements
DU PONT27 citations86
US4257951AMar 24, 1981
Two-step milling process for preparing pigmentary copper phthalocyanine
DU PONT23 citations82
US5039588AAug 13, 1991
Non-electroscopic prolonged tack toners
DU PONT7 citations74
US4965172AOct 23, 1990
Humidity-resistant proofing toners with low molecular weight polystyrene
DU PONT19 citations74
US4565773AJan 21, 1986
Dry nonelectroscopic toners surface coated with nonionic siloxane-oxyalkylene block copolymer
DU PONT11 citations74
US4561899ADec 31, 1985
Pigment toners with improved transparency
DU PONT10 citations74
US4546072AOct 8, 1985
Toners treated with polymeric quaternary ammonium salts and slip agent
DU PONT10 citations74
US5416145AMay 16, 1995
Aqueous anionic dye based ink jet inks
DU PONT17 citations73
US4869996ASep 26, 1989
Process for preparing negative images on a positive-type tonable photosensitive element
DU PONT15 citations71
US4547457AOct 15, 1985
Process of preparing toner treated with polymeric quaternary ammonium salt and slip agent
DU PONT5 citations61
US4960677AOct 2, 1990
Dry nonelectroscopic toners surface coated with organofunctional substituted fluorocarbon compounds
DU PONT5 citations54