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Heinz Holzwarth
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Bad Krozingen, DE
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last 30 patents
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Patent Grant
Crosslinked polymers
Patent number
5,834,531
Issue date
Nov 10, 1998
Olin Microelectronic Chemicals, Inc.
Hans-Thomas Schacht
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
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
Crosslinked polymers
Patent number
5,714,559
Issue date
Feb 3, 1998
Olin Microelectronic Chemicals, Inc.
Hans-Thomas Schacht
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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-...