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Ulrich Simon
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Mainz, DE
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last 30 patents
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Patent Grant
Process of preparing light-sensitive naphthoquinonediazidesulfonic...
Patent number
4,555,469
Issue date
Nov 26, 1985
Hoechst Aktiengesellschaft
Fritz Erdmann
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Aqueous-alkaline solution and process for developing positive-worki...
Patent number
4,530,895
Issue date
Jul 23, 1985
Hoechst Aktiengesellschaft
Ulrich Simon
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light-sensitive mixture comprising a naphthoquinonediazidesulfonic...
Patent number
4,424,270
Issue date
Jan 3, 1984
Hoechst Aktiengesellschaft
Fritz Erdmann
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY