Michaela Oberle

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Rodgau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Use of ascorbic acid derivatives for dyeing keratin-containing fibres
- Patent number 8,702,813
- Issue date Apr 22, 2014
- Merck Patent GmbH
- Thomas Rudolph
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
α-amino acid derivatives for improving solubility
- Patent number 8,293,784
- Issue date Oct 23, 2012
- Merck Patent GmbH
- Thomas Rudolph
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
USE OF ASCORBIC ACID DERIVATIVES FOR DYEING KERATIN-CONTAINING FIBRES
- Publication number 20130228192
- Publication date Sep 5, 2013
- Merck Patent GmbH
- Thomas Rudolph
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
ALPHA-AMINO ACID DERIVATIVES FOR IMPROVING SOLUBILITY
- Publication number 20110039924
- Publication date Feb 17, 2011
- Merck Patent Gesellschaft mit Beschrankter Haftung
- Thomas Rudolph
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE