Masakazu Negawa

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Hyogo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Simulated moving bed chromatographic separation process
- Patent number 5,770,088
- Issue date Jun 23, 1998
- Daicel Chemical Industries, Ltd.
- Hirokazu Ikeda
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for recovering optical isomers and solvent process for usin...
- Patent number 5,763,645
- Issue date Jun 9, 1998
- Daicel Chemical Industries, Ltd.
- Masakazu Negawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering optical isomers and solvent, process for usi...
- Patent number 5,498,752
- Issue date Mar 12, 1996
- Daicel Chemical Industries, Ltd.
- Masakazu Negawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Simulated moving bed separation system
- Patent number 5,456,825
- Issue date Oct 10, 1995
- Daicel Chemical Industries, Ltd.
- Masakazu Negawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering optical isomers and solvent, process for usi...
- Patent number 5,434,299
- Issue date Jul 18, 1995
- Daicel Chemical Industries, Ltd.
- Masakazu Negawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for recovering optical isomers and solvent, process for usi...
- Patent number 5,434,298
- Issue date Jul 18, 1995
- Daicel Chemical Industries, Ltd.
- Masakazu Negawa
- C07 - ORGANIC CHEMISTRY