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Jorg Gitzel
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Hattersheim am Main, DE
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last 30 patents
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Patent Grant
Polymer ammonium borates and processes for their preparation
Patent number
5,401,809
Issue date
Mar 28, 1995
Hoechst Aktiengesellschaft
Jorg Gitzel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Biscationic acid amide and acid imide derivatives as charge control...
Patent number
5,342,723
Issue date
Aug 30, 1994
Hoechst Aktiengesellschaft
Hans-Tobias Macholdt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Biscationic acid amide and imide derivatives and processes for thei...
Patent number
5,329,046
Issue date
Jul 12, 1994
Hoechst Aktiengesellschaft
Hans-Tobias Macholdt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polymeric ammonium compounds as charge control agents
Patent number
5,187,038
Issue date
Feb 16, 1993
Hoechst Aktiengesellschaft
Jorg Gitzel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Use of colorless highly fluorine-substituted phosphonium compounds...
Patent number
5,147,748
Issue date
Sep 15, 1992
Hoechst Aktiengesellschaft
Jorg Gitzel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Use of colorless, intensely fluorinated ammonium and iminium compou...
Patent number
5,069,994
Issue date
Dec 3, 1991
Hoechst Aktiengesellschaft
Jorg Gitzel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phosphonium compounds and processes for their preparation
Patent number
5,055,619
Issue date
Oct 8, 1991
Hoechst Aktiengesellschaft
Jorg Gitzel
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Ammonium and iminium compounds
Patent number
5,053,537
Issue date
Oct 1, 1991
Hoechst Aktiengesellschaft
Jorg Gitzel
C07 - ORGANIC CHEMISTRY