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Norbert Munzel
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Heiterscheim, DE
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last 30 patents
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Patent Grant
High resolution i-line photoresist of high sensitivity
Patent number
5,759,740
Issue date
Jun 2, 1998
Ciba Specialty Chemicals Corporation
Norbert Munzel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
High-resolution negative photoresist with wide process latitude
Patent number
5,650,262
Issue date
Jul 22, 1997
Norbert Munzel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
High resolution i-line photoresist of high sensitivity
Patent number
5,627,011
Issue date
May 6, 1997
Ciba-Geigy Corporation
Norbert Munzel
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photoresist compositions containing copolymers having acid-labile g...
Patent number
5,558,978
Issue date
Sep 24, 1996
OCG Microelectronic Materials, Inc.
Ulrich Sch adeli
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Tetra (hydroxphenyl) alkanes
Patent number
5,554,797
Issue date
Sep 10, 1996
OCG Microelectronic Materials, Inc.
Reinhard Schulz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive photoresists with enhanced resolution and reduced crystall...
Patent number
5,436,098
Issue date
Jul 25, 1995
Ciba-Geigy Corporation
Reinhard Schulz
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Positive photoresist having improved processing properties
Patent number
5,397,680
Issue date
Mar 14, 1995
Ciba-Geigy AG
Ulrich Schadeli
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive photoresist having improved processing properties
Patent number
5,369,200
Issue date
Nov 29, 1994
Ciba-Geigy AG
Ulrich Schadeli
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Positive photoresists containing quinone diazide photosensitizer, a...
Patent number
5,296,330
Issue date
Mar 22, 1994
Ciba-Geigy Corp.
Reinhard Schulz
C07 - ORGANIC CHEMISTRY