Katja Hegwein

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Reinheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of producing dicarboxylic acids suitable for synthesis of po...
- Patent number 6,455,715
- Issue date Sep 24, 2002
- Dr. Frische GmbH
- Rainer Frische
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of producing dicarboxylic acids suitable for synthesis of po...
- Patent number 6,362,368
- Issue date Mar 26, 2002
- Frische GmbH
- Rainer Frische
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for solvent extraction of hydrophobic compounds
- Patent number 6,265,593
- Issue date Jul 24, 2001
- Dr. Frische GmbH
- Bernd Best
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for extracting native products which are not water-soluble...
- Patent number 5,928,696
- Issue date Jul 27, 1999
- Dr. Frische GmbH
- Bernd Best
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES