Pierre Ykman

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Brussels, BE

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Patents Grantslast 30 patents

Information Patent Grant
6-Amino-spiro[penam-2,4'-piperidine]-3-carboxylic acids, antibacter...
- Patent number 4,271,172
- Issue date Jun 2, 1981
- U C B Societe Anonyme
- Ludovic Rodriguez
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
6-Amino-spiro[penam-2,4'-piperidine]-3-carboxylic acid, antibacteri...
- Patent number 4,271,173
- Issue date Jun 2, 1981
- U C B, Societe Anonyme
- Ludovic Rodriguez
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amino-spiro[oxa(or thia)cycloalkane-penam]-carboxylic acid derivatives
- Patent number 4,139,628
- Issue date Feb 13, 1979
- U C B, Societe Anonyme
- Ludovic Rodriguez
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Amino-spiro[oxa(or thia)cycloalkane-penam]-carboxylic
- Patent number 4,137,236
- Issue date Jan 30, 1979
- U C B, Societe Anonyme
- Ludovic Rodriguez
- C07 - ORGANIC CHEMISTRY