Frank E. Klein

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Elkton, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Piperidine analogs and conjugates of procainamide and NAPA
- Patent number 5,525,474
- Issue date Jun 11, 1996
- Boehringer Mannheim Corporation
- Gerald F. Sigler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Maleimide adduct conjugates of procainamide and NAPA
- Patent number 5,439,798
- Issue date Aug 8, 1995
- Boehringer Mannheim Corporation
- Gerald F. Sigler
- C07 - ORGANIC CHEMISTRY