Siegbert Arnold

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Bonn, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of a substituted 2-amino-1-sulphonaphth...
- Patent number 5,502,173
- Issue date Mar 26, 1996
- Bayer Aktiengesellschaft
- Horst Ja/ ger
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous reaction of halogenopyrimidines with amines
- Patent number 5,420,255
- Issue date May 30, 1995
- Bayer Aktiengesellschaft
- Siegbert Arnold
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the continuous reaction of difluorotriazinyl compounds...
- Patent number 5,332,813
- Issue date Jul 26, 1994
- Bayer Aktiengesellschaft
- Manfred Hoppe
- C07 - ORGANIC CHEMISTRY