Inventor
Hans Joachim Metz
Inventor
Darmstadt, DE
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments29%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
C07CAcyclic or carbocyclic compounds8%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
C07DHeterocyclic compounds4%
G03GElectrography4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties3%
C09KMaterials for miscellaneous applications, not provided for elsewhere3%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
PatentTitleYear
9,956,547Preparation of polyglycerols20188,703,865'Method for production of polymer-encapsulated pigments'20148,021,716'Polyelectrolyte-encapsulated pigments'20117,655,300'Transparent zeolite-polymer hybrid material with tunable properties'20107,404,854'Method for pigmenting semi-crystalline plastics with phthalocyanine pigments in a non-warping manner'20087,399,354'Method for the production of pigment granules'20087,348,372'Method for distortion-free pigmentation of partly-crystalline plastics with phthalocyanine pigments'20087,285,663'β-Isoindigo coloring agent'20077,220,843'Methanesulfonamide azo dyes'20077,029,818'Use of coated pigment granules in electrophotographic toners and developers, powder coatings and inkjet inks'20067,014,699'Oxalkylation products produced from epoxides and amines and their use in pigment preparations'20067,002,021'Diketopyrrolopyrrole pigments'20066,984,724'Pigmented 1-naphtholsulphonic acid-based monoazo pigments'20066,913,641'Laked monoazo pigments based on naphtholsulfonic acids'20056,872,245'Azo pigments'20056,821,335'Phthalic acid imides as synergists for improving the properties of aqueous pigment preparations'20046,504,045'Crystal polymorphs of a yellow disazo colorant, and their preparation'20036,485,558'Process for the preparation of pigment granules'20026,290,768'Flow-enhanced pigment preparation for offset printing'20016,207,240'Laser marking of effect coatings'20016,191,263'Crystal modification of C.I. Pigment Red 53:2 (.gamma.-phase)'20016,168,895'Pigment for electrophotographic toners and developers'20016,146,455'Crystal modification of C.I. Pigment Red 53:2 (.delta.-phase)'20006,028,178'Pigment for electrophotographic toners and developers'20005,910,577'Quinoxaline-monoazo-acetarylide pigment'19995,756,691'Water--insoluble azo colorants based on N-acetoacetyldehydrothiotoluidine'19985,591,257'Pigment preparations based on monoazo pigments'19975,559,216'Single-step process for the preparation of bis-(acetoacetylamino) benzene disazo pigments'19965,464,941'Biphenyl pyrazine compounds'19955,428,136'Water-insoluble azo colorants having two azo groups and a 1,4-bis (acetoacetylamino) benzene coupling component'19955,382,288'Azo pigment preparation'19955,352,281'Use of azo pigment preparations for solvent-containing packaging intaglio and flexographic printing inks'19945,266,682'Nitrogen-containing surface-active agents'19935,227,531'Process for the preparation of fluorobenzaldehydes'19935,041,571'Process of producing anthraquinones in one step'19914,937,395'Process for the preparation of fluorobenzenes'19904,855,517'Process for preparing aromatic bromine compounds'19894,715,995'Process for the preparation of alkali metal and alkaline earth salts of benzaldehyde-2,4-disulfonic acid'19874,710,322'Process for the preparation of alkali metal and alkaline earth salts of benzaldehyde-2,4-di-sulfonic acid'1987Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987–1998Patents assigned to HOECHST AG (12)· patent assignee history
1987–1993Based in Heppenheim, DE· patent location history
1990–2014Based in Darmstadt, DE· patent location history
1991Based in Bensheim, DE· patent location history
1999–2006Patents assigned to CLARIANT GMBH (16)· patent assignee history
2007–2008Patents assigned to CLARIANT PRODUKTE DEUTSCHLAND (5)· patent assignee history
2010–2018Patents assigned to CLARIANT INT LTD (2)· patent assignee history
2010–2018Based in Frankfurt am Main, DE· patent location history
2011–2014Patents assigned to CLARIANT FINANCE BVI LTD (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| CLARIANT GMBH | 16 | 1999–2006 |
| HOECHST AG | 12 | 1987–1998 |
| CLARIANT PRODUKTE DEUTSCHLAND | 5 | 2007–2008 |
| CLARIANT FINANCE BVI LTD | 2 | 2011–2014 |
| CLARIANT INT LTD | 2 | 2010–2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| Darmstadt, DE | 31 | 1990–2014 |
| Heppenheim, DE | 4 | 1987–1993 |
| Frankfurt am Main, DE | 3 | 2010–2018 |
| Bensheim, DE | 1 | 1991 |