Michael Keitmann

Person

Weisendorf, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing structured protective and insulating layers
- Patent number 6,599,687
- Issue date Jul 29, 2003
- Osram Opto Semiconductor GmbH Co. OHG
- Ewald Günther
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
O-aminophenolcarboxylic acid and o-aminothiophenolcarboxylic acid
- Patent number 6,437,178
- Issue date Aug 20, 2002
- Infineon Technologies AG
- Recai Sezi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
O-Nitro(thio)phenol derivatives, and their preparation
- Patent number 6,320,081
- Issue date Nov 20, 2001
- Infineon Technologies AG
- Michael Keitmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
O-amino(thio)phenolcarboxylic acids, and their preparation
- Patent number 6,310,238
- Issue date Oct 30, 2001
- Siemens Aktiengesellschaft
- Recai Sezi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Bis-o-amino (thio) phenols, and their preparation
- Patent number 6,156,902
- Issue date Dec 5, 2000
- Infineon Technologies AG
- Recai Sezi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polybenzoxazole and polybenzothiazole precursors
- Patent number 6,153,350
- Issue date Nov 28, 2000
- Siemens Aktiengesellschaft
- Recai Sezi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bis-o-amino(thio)phenols, and their preparation
- Patent number 6,150,558
- Issue date Nov 21, 2000
- Siemens Aktiengesellschaft
- Recai Sezi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polybenzoxazole and polybenzothiazole precursors
- Patent number 6,120,970
- Issue date Sep 19, 2000
- Siemens Aktiengesellschaft
- Recai Sezi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
O-amino(thio)phenolcarboxylic acids, and their preparation
- Patent number 6,096,921
- Issue date Aug 1, 2000
- Siemens Aktiengesellschaft
- Recai Sezi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
O-amino (thio) phenolcarboxylic acids and their preparation
- Patent number 5,998,662
- Issue date Dec 7, 1999
- Siemens Aktiengesellschaft
- Recai Sezi
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
O-aminophenolcarboxylic acid and o-aminothiophenolcarboxylic acid
- Publication number 20010056203
- Publication date Dec 27, 2001
- Siemens Aktiengesellschaft
- Recai Sezi
- C07 - ORGANIC CHEMISTRY

Michael Keitmann

Person

Patents Grantslast 30 patents

Process for producing structured protective and insulating layers

O-aminophenolcarboxylic acid and o-aminothiophenolcarboxylic acid

O-Nitro(thio)phenol derivatives, and their preparation

O-amino(thio)phenolcarboxylic acids, and their preparation

Bis-o-amino (thio) phenols, and their preparation

Polybenzoxazole and polybenzothiazole precursors

Bis-o-amino(thio)phenols, and their preparation

Polybenzoxazole and polybenzothiazole precursors

O-amino(thio)phenolcarboxylic acids, and their preparation

O-amino (thio) phenolcarboxylic acids and their preparation

Patents Applicationslast 30 patents

O-aminophenolcarboxylic acid and o-aminothiophenolcarboxylic acid