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Horst-Dieter Thamm
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Kelkheim, DE
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last 30 patents
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Patent Grant
Process for the preparation of novolak resins with low metal ion co...
Patent number
5,073,622
Issue date
Dec 17, 1991
Hoechst Aktiengesellschaft
Bernhard Wojtech
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of an o-naphthoquinonediazide sulfonic...
Patent number
4,873,169
Issue date
Oct 10, 1989
Hoechst Aktiengesellschaft
Fritz Erdmann
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Technetium-99m triphosphonates and tetraphosphonates for the scinti...
Patent number
4,693,884
Issue date
Sep 15, 1987
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Process for the preparation of monoalkyl phosphonites
Patent number
4,474,711
Issue date
Oct 2, 1984
Hoechst AG.
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Diphosphonodicarboxylic acid esters
Patent number
4,332,746
Issue date
Jun 1, 1982
Hoechst Aktiengesellschaft
Horst-Dieter Thamm
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Novel phosphonocarboxylic acid compounds
Patent number
4,260,422
Issue date
Apr 7, 1981
Hoechst Aktiengesellschaft
Horst-Dieter Thamm
C07 - ORGANIC CHEMISTRY