Noriyuki Ohata

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Piperidine-spiro-hydantoin derivatives
- Patent number 4,005,094
- Issue date Jan 25, 1977
- Sankyo Company Limited
- Keisuku Murayama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Piperidine derivatives and their use as stabilizers
- Patent number 3,941,744
- Issue date Mar 2, 1976
- Sankyo Company Limited
- Keisuke Murayama
- C07 - ORGANIC CHEMISTRY