Inventor · disambiguated record
Hans Joachim Metz
Also filed as: METZ HANS J · METZ HANS JOACHIM
39 granted patents·9 pending applications·369 citations·filing 1985–2015
97Inventor score
Files withCLARIANT GMBH17HOECHST AG12CLARIANT PRODUKTE DEUTSCHLAND5CLARIANT INT LTD2GANSCHOW MATTHIAS2
Top patents by PatentIndex Score
48 records- 0192US6028178APigment for electrophotographic toners and developersCLARIANT GMBH·Filed 1999·Granted Feb 22, 2000·39 cites·10 claims
- 0288US6207240B1Laser marking of effect coatingsCLARIANT GMBH·Filed 1999·Granted Mar 27, 2001·49 cites·16 claims
- 0387US6504045B2Crystal polymorphs of a yellow disazo colorant, and their preparationCLARIANT GMBH·Filed 2001·Granted Jan 7, 2003·23 cites·18 claims
- 0487US5559216ASingle-step process for the preparation of bis-(acetoacetylamino) benzene disazo pigmentsHOECHST AG·Filed 1993·Granted Sep 24, 1996·30 cites·18 claims
- 0586US7029818B2Use of coated pigment granules in electrophotographic toners and developers, powder coatings and inkjet inksCLARIANT GMBH·Filed 2001·Granted Apr 18, 2006·26 cites·17 claims
- 0685US6485558B1Process for the preparation of pigment granulesCLARIANT GMBH·Filed 2000·Granted Nov 26, 2002·22 cites·19 claims
- 0783US8703865B2Method for production of polymer-encapsulated pigmentsGANSCHOW MATTHIAS·Filed 2005·Granted Apr 22, 2014·9 cites·14 claims
- 0880US4710322AProcess for the preparation of alkali metal and alkaline earth salts of benzaldehyde-2,4-di-sulfonic acidHOECHST AG·Filed 1987·Granted Dec 1, 1987·15 cites·16 claims
- 0976US7002021B2Diketopyrrolopyrrole pigmentsCLARIANT GMBH·Filed 2003·Granted Feb 21, 2006·7 cites·12 claims
- 1075US6168895B1Pigment for electrophotographic toners and developersCLARIANT GMBH·Filed 1997·Granted Jan 2, 2001·24 cites·19 claims
- 1172US5382288AAzo pigment preparationHOECHST AG·Filed 1993·Granted Jan 17, 1995·17 cites·20 claims
- 1271US6872245B2Azo pigmentsCLARIANT GMBH·Filed 2002·Granted Mar 29, 2005·7 cites·11 claims
- 1368US6821335B2Phthalic acid imides as synergists for improving the properties of aqueous pigment preparationsCLARIANT GMBH·Filed 2001·Granted Nov 23, 2004·6 cites·12 claims
- 1463US7655300B2Transparent zeolite-polymer hybrid material with tunable propertiesCLARIANT INT LTD·Filed 2007·Granted Feb 2, 2010·3 cites·9 claims
- 1563US5910577AQuinoxaline-monoazo-acetarylide pigmentCLARIANT GMBH·Filed 1998·Granted Jun 8, 1999·16 cites·10 claims
- 1661US6290768B1Flow-enhanced pigment preparation for offset printingCLARIANT GMBH·Filed 1999·Granted Sep 18, 2001·9 cites·13 claims
- 1760US4937395AProcess for the preparation of fluorobenzenesHOECHST AG·Filed 1989·Granted Jun 26, 1990·6 cites·20 claims
- 1859US7399354B2Method for the production of pigment granulesCLARIANT PRODUKTE DEUTSCHLAND·Filed 2002·Granted Jul 15, 2008·3 cites·14 claims
- 1955US7404854B2Method for pigmenting semi-crystalline plastics with phthalocyanine pigments in a non-warping mannerCLARIANT PRODUKTE DEUTSCHLAND·Filed 2004·Granted Jul 29, 2008·2 cites·16 claims
- 2054US7220843B2Methanesulfonamide azo dyesCLARIANT PRODUKTE DEUTSCHLAND·Filed 2004·Granted May 22, 2007·2 cites·14 claims
- 2153US6913641B2Laked monoazo pigments based on naphtholsulfonic acidsCLARIANT GMBH·Filed 2002·Granted Jul 5, 2005·3 cites·7 claims
- 2252US7285663B2β-Isoindigo coloring agentCLARIANT PRODUKTE DEUTSCHLAND·Filed 2003·Granted Oct 23, 2007·1 cites·9 claims
- 2352US5227531AProcess for the preparation of fluorobenzaldehydesHOECHST AG·Filed 1991·Granted Jul 13, 1993·4 cites·20 claims
- 2451US4855517AProcess for preparing aromatic bromine compoundsHOECHST AG·Filed 1987·Granted Aug 8, 1989·8 cites·14 claims
- 2548US7014699B2Oxalkylation products produced from epoxides and amines and their use in pigment preparationsCLARIANT GMBH·Filed 2002·Granted Mar 21, 2006·1 cites·21 claims
- 2648US6984724B2Pigmented 1-naphtholsulphonic acid-based monoazo pigmentsCLARIANT GMBH·Filed 2002·Granted Jan 10, 2006·2 cites·8 claims
- 2748US6191263B1Crystal modification of C.I. Pigment Red 53:2 (γ-phase)CLARIANT GMBH·Filed 1999·Granted Feb 20, 2001·4 cites·17 claims
- 2848US5591257APigment preparations based on monoazo pigmentsHOECHST AG·Filed 1995·Granted Jan 7, 1997·4 cites·10 claims
- 2947US9956547B2Preparation of polyglycerolsCLARIANT INT LTD·Filed 2015·Granted May 1, 2018·0 cites·17 claims
- 3044US6146455ACrystal modification of C.I. Pigment Red 53:2 (δ-phase)CLARIANT GMBH·Filed 1999·Granted Nov 14, 2000·3 cites·17 claims
- 3143US5352281AUse of azo pigment preparations for solvent-containing packaging intaglio and flexographic printing inksHOECHST AG·Filed 1993·Granted Oct 4, 1994·9 cites·15 claims
- 3243US2005154085A1Granulated optical brightening agentsFiled 2002·Application pending·0 cites
- 3341US2007215007A1Finishing Treatment Of Pigments In Ionic LiquidsCLARIANT GMBH·Filed 2005·Application pending·0 cites
- 3440US2008108735A1Method For Treating Phthalocyanine Pigments For the Weatherable and Light-Resisting Pigmentation of Plastic MaterialsGANSCHOW MATTHIAS·Filed 2005·Application pending·0 cites
- 3540US2008241722A1Mixed Crystals Comprising C.I. Pigment Red 170 DerivativesSCHMIDT MARTIN ULRICH·Filed 2004·Application pending·0 cites
- 3639US5464941ABiphenyl pyrazine compoundsHOECHST CELANESE CORP·Filed 1994·Granted Nov 7, 1995·1 cites·14 claims
- 3739US2006276563A1Easily dispersible pigments with fast colour intensity developmentOSTEROD FRANK·Filed 2004·Application pending·0 cites
- 3838US4715995AProcess for the preparation of alkali metal and alkaline earth salts of benzaldehyde-2,4-disulfonic acidHOECHST AG·Filed 1985·Granted Dec 29, 1987·1 cites·15 claims
- 3938US2006118004A1Pigment formulations and processes for their preparationPIASTRA BRUNO·Filed 2003·Application pending·0 cites
- 4037US8021716B2Polyelectrolyte-encapsulated pigmentsCLARIANT FINANCE BVI LTD·Filed 2007·Granted Sep 20, 2011·0 cites·7 claims
- 4137US7348372B2Method for distortion-free pigmentation of partly-crystalline plastics with phthalocyanine pigmentsCLARIANT PRODUKTE DEUTSCHLAND·Filed 2003·Granted Mar 25, 2008·0 cites·14 claims
- 4237US5266682ANitrogen-containing surface-active agentsHOECHST AG·Filed 1992·Granted Nov 30, 1993·5 cites·23 claims
- 4337US2007131144A1Water-based pigment preparationsWINTER MARTIN A·Filed 2004·Application pending·0 cites
- 4436US5428136AWater-insoluble azo colorants having two azo groups and a 1,4-bis (acetoacetylamino) benzene coupling componentHOECHST AG·Filed 1993·Granted Jun 27, 1995·5 cites·12 claims
- 4535US2012168686A1Continuous Synthesis of Carbon-Coated Lithium-Iron-PhosphateMETZ HANS JOACHIM·Filed 2010·Application pending·0 cites
- 4633US5756691AWater--insoluble azo colorants based on N-acetoacetyldehydrothiotoluidineHOECHST AG·Filed 1997·Granted May 26, 1998·3 cites·11 claims
- 4730US5041571AProcess of producing anthraquinones in one stepHOECHST CELANESE CORP·Filed 1990·Granted Aug 20, 1991·0 cites·8 claims
- 4830US2007264600A1Heterocyclic Colorants Based on DiazabenzoisoindolesHECKMANN HEINO·Filed 2004·Application pending·0 cites
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