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Yoshikazu Murao
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Machida, JP
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last 30 patents
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Patent Grant
Process for producing pyrrolidone derivative
Patent number
4,837,337
Issue date
Jun 6, 1989
Mitsubishi Chemical Industries Limited
Yoshikazu Murao
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing water-soluble polymer
Patent number
4,824,913
Issue date
Apr 25, 1989
Mitsubishi Chemical Industries Limited
Yoshikazu Murao
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Coagulant for minute mineral particles in suspension and method for...
Patent number
4,783,270
Issue date
Nov 8, 1988
Mitsubishi Chemical Industries Limited
Yoshikazu Murao
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for producing N-substituted formamides
Patent number
4,567,300
Issue date
Jan 28, 1986
Mitsubishi Chemical Industries Limited
Yoshikazu Murao
C07 - ORGANIC CHEMISTRY