Ingeborg Stein

Person

Erzhausen, DE

People

Patents Grantslast 30 patents

Information Patent Grant
Method for producing ortho-alkylated benzoic acid derivatives
- Patent number 6,573,404
- Issue date Jun 3, 2003
- Merck Patent GmbH
- Ekkehard Bartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing ortho-alkylated benzoic acid derivatives
- Patent number 6,515,143
- Issue date Feb 4, 2003
- Merck KGaA
- Ekkehard Bartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing ortho-alkylated benzoic acid derivatives
- Patent number 6,350,904
- Issue date Feb 26, 2002
- Merck KGaA
- Ekkehard Bartmann
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing enantiomer-free N-methyl-N-[(1S)-1-phe...
- Patent number 6,344,566
- Issue date Feb 5, 2002
- Merck Patent GmbH
- Andreas Bathe
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ketotricyclo[5.2.1.0]decane derivatives
- Patent number 6,277,357
- Issue date Aug 21, 2001
- Merck Patent Gesellschaft mit beschrankter Haftung
- Michael Schwarz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
.alpha.-hydroxyketoalkyl derivatives as light protection filters
- Patent number 5,968,482
- Issue date Oct 19, 1999
- Merck Patent Gesellschaft mit beschrankter Haftung
- Roland Martin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ketotricyclo[5.2.1.0]decane derivatives
- Patent number 5,628,988
- Issue date May 13, 1997
- Merck Patent Gesellschaft mit beschrankter Haftung
- Michael Schwarz
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Use of .alpha.-hydroxyketoalkyl derivatives as light protection fil...
- Patent number 5,600,007
- Issue date Feb 4, 1997
- Merck Gmbh
- Roland Martin
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Triazine derivatives with UV filter properties
- Patent number 5,520,906
- Issue date May 28, 1996
- Merck Patent Gesellschaft mit beschrankter Haftung
- Ingeborg Stein
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Use of benzimidazole derivatives as light protection filters
- Patent number 5,501,850
- Issue date Mar 26, 1996
- Merck Patent Gesellschaft mit beschrankter Haftung
- Ingeborg Stein
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for preparing 2-arylbenzimidazole-5-sulfonic acids
- Patent number 5,473,079
- Issue date Dec 5, 1995
- Merck Patent Gesellschaft mit beschrankter Haftung
- Ulrich Heywang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Benzylidenequinuclidinones
- Patent number 5,399,563
- Issue date Mar 21, 1995
- Merck Patent Gesellschaft mit beschrankter Haftung
- Ingeborg Stein
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dialkoxybenzylidene-camphor derivatives
- Patent number 5,144,081
- Issue date Sep 1, 1992
- Merck Patent Gesellschaft mit beschrankter Haftung
- Ulrich Heywang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING ORTHO-ALKYLATED BENZOIC ACID DERIVATIVES
- Publication number 20030069444
- Publication date Apr 10, 2003
- MERCK KGAA
- Ekkehard Bartmann
- C07 - ORGANIC CHEMISTRY

Ingeborg Stein

Person

Patents Grantslast 30 patents

Method for producing ortho-alkylated benzoic acid derivatives

Method for producing ortho-alkylated benzoic acid derivatives

Method for producing ortho-alkylated benzoic acid derivatives

Method for producing enantiomer-free N-methyl-N-&#x0005B;(1S)-1-phe...

Ketotricyclo&#x0005B;5.2.1.0&#x0005D;decane derivatives

.alpha.-hydroxyketoalkyl derivatives as light protection filters

Ketotricyclo[5.2.1.0]decane derivatives

Use of .alpha.-hydroxyketoalkyl derivatives as light protection fil...

Triazine derivatives with UV filter properties

Use of benzimidazole derivatives as light protection filters

Process for preparing 2-arylbenzimidazole-5-sulfonic acids

Benzylidenequinuclidinones

Dialkoxybenzylidene-camphor derivatives

Patents Applicationslast 30 patents

METHOD FOR PRODUCING ORTHO-ALKYLATED BENZOIC ACID DERIVATIVES

Method for producing enantiomer-free N-methyl-N-[(1S)-1-phe...

Ketotricyclo[5.2.1.0]decane derivatives