Axel Schmitt

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Walluf, DE

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Patents Grantslast 30 patents

Information Patent Grant
Radiation-sensitive composition containing esterification product o...
- Patent number 5,358,823
- Issue date Oct 25, 1994
- Hoechst Aktiengesellschaft
- Wolfgang Zahn
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Composition containing naphthoquinone diazide sulfonic acid mixed e...
- Patent number 5,306,595
- Issue date Apr 26, 1994
- Hoechst Aktiengesellschaft
- Siegfried Scheler
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Radiation-sensitive ester and process for its preparation
- Patent number 5,268,252
- Issue date Dec 7, 1993
- Hoechst Aktiengesellschaft
- Siegfried Scheler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Positive-working photosensitive mixture and recording material of h...
- Patent number 4,971,887
- Issue date Nov 20, 1990
- Hoechst Aktiengesellschaft
- Axel Schmitt
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Solvents for photoresist removal
- Patent number 4,765,844
- Issue date Aug 23, 1988
- Hoechst Aktiengesellschaft
- Hans-Joachim Merrem
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY