Heinrich Hamal

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Liederbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of 2-(arylamino)-3-carboxy-9(10H)-acrid...
- Patent number 4,937,345
- Issue date Jun 26, 1990
- Hoechst Aktiengesellschaft
- Erwin Dietz
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Diazo compounds, a process for their preparation and their use as c...
- Patent number 4,935,502
- Issue date Jun 19, 1990
- Hoechst Aktiengesellschaft
- Rudolf Kuhne
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Symmetrical and asymmetrical disazo compounds having a bis-aryloxy...
- Patent number 4,870,164
- Issue date Sep 26, 1989
- Hoechst Aktiengesellschaft
- Rudolf Kuhne
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Nitroamines, processes for their manufacture and their use as diazo...
- Patent number 4,231,964
- Issue date Nov 4, 1980
- Hoechst Aktiengesellschaft
- Rudolf Kuhne
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Symmetrical and asymmetrical disazo compounds containing a bis-(nit...
- Patent number 4,169,091
- Issue date Sep 25, 1979
- Hoechst Aktiengesellschaft
- Rudolf Kuhne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...