Mitsuo Wada

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Omuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for refining 1,3-dimethyl-2-imidazolidinone
- Patent number 5,075,406
- Issue date Dec 24, 1991
- Mitsui Toatsu Chemicals, Inc.
- Tadashi Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for refining 1,3-dimethyl-2-imidazolidinone
- Patent number 5,011,936
- Issue date Apr 30, 1991
- Mitsui Toatsu Chemicals, Inc.
- Tadashi Kobayashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production process of aromatic polyamide
- Patent number 4,923,951
- Issue date May 8, 1990
- Mitsui Toatsu Chemicals, Incorporated
- Tadashi Kobayashi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...