Adolf Kroh

Person

Selters, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Modified 2,9-dimethylquinacridone pigments, process for their manuf...
- Patent number 5,368,641
- Issue date Nov 29, 1994
- Hoechst AG
- Erwin Dietz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Quinacridones having selectively adjusted triboelectric effects
- Patent number 5,137,576
- Issue date Aug 11, 1992
- Hoechst Aktiengesellschaft
- Hans-Tobias Macholdt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Addition compounds, a process for the preparation, and their use, b...
- Patent number 5,070,159
- Issue date Dec 3, 1991
- Hoechst Aktiengesellschaft
- Erwin Dietz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Pigments and use thereof
- Patent number 4,986,852
- Issue date Jan 22, 1991
- Hoechst Aktiengesellschaft
- Erwin Dietz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Magenta colorant for electrophotographic recording processes
- Patent number 4,777,105
- Issue date Oct 11, 1988
- Hoechst Aktiengesellschaft
- Hans-Tobias Macholdt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process for preparing high-hiding gamma-modification of unsubstitut...
- Patent number 4,758,665
- Issue date Jul 19, 1988
- Hoechst Aktiengesellschaft
- Ernst Spietschka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Powdered pigments with improved rheological properties, processes f...
- Patent number 4,732,618
- Issue date Mar 22, 1988
- Hoechst Aktiengesellschaft
- Ernst Spietschka
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Addition compounds and process for their preparation
- Patent number 4,631,330
- Issue date Dec 23, 1986
- Hoechst Aktiengesellschaft
- Erwin Dietz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for mass coloring thermoplastic plastics
- Patent number 4,405,734
- Issue date Sep 20, 1983
- Hoechst Aktiengesellschaft
- Otto Fuchs
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Quinacridone mixtures, process for their manufacture and their use...
- Patent number 4,400,515
- Issue date Aug 23, 1983
- Hoechst Aktiengesellschaft
- Otto Fuchs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pigment preparations
- Patent number 4,217,265
- Issue date Aug 12, 1980
- Hoechst Aktiengesellschaft
- Erwin Dietz
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for the manufacture of the gamma-crystal modification of li...
- Patent number 4,212,975
- Issue date Jul 15, 1980
- Hoechst Aktiengesellschaft
- Adolf Kroh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Naphthalimide-4,5-dicarboxylic acids
- Patent number 4,118,387
- Issue date Oct 3, 1978
- Hoechst Aktiengesellschaft
- Otto Fuchs
- C07 - ORGANIC CHEMISTRY

Person

Patents Grantslast 30 patents

Modified 2,9-dimethylquinacridone pigments, process for their manuf...

Quinacridones having selectively adjusted triboelectric effects

Addition compounds, a process for the preparation, and their use, b...

Pigments and use thereof

Magenta colorant for electrophotographic recording processes

Process for preparing high-hiding gamma-modification of unsubstitut...

Powdered pigments with improved rheological properties, processes f...

Addition compounds and process for their preparation

Process for mass coloring thermoplastic plastics

Quinacridone mixtures, process for their manufacture and their use...

Pigment preparations

Process for the manufacture of the gamma-crystal modification of li...

Naphthalimide-4,5-dicarboxylic acids