Leonhard Feiler

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Givisiez, CH

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Patents Grantslast 30 patents

Information Patent Grant
Preparation of perylene-3,4-dicarboxylic acid anhydrides
- Patent number 6,093,834
- Issue date Jul 25, 2000
- Ciba Specialty Chemicals Corporation
- Leonhard Feiler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of perylene-3, 4-Dicarboxylic acid anhydrides
- Patent number 5,900,490
- Issue date May 4, 1999
- Ciba Specialty Chemicals Corporation
- Leonhard Feiler
- C07 - ORGANIC CHEMISTRY