Masao Imaizumi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for isolating and recovering butene-1 of high purity
- Patent number 4,356,339
- Issue date Oct 26, 1982
- Nippon Oil Company, Limited
- Masao Imaizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for separation and recovery of isobutene
- Patent number 4,208,540
- Issue date Jun 17, 1980
- Nippon Oil Co., Ltd.
- Masao Imaizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for continuously producing diisopropyl ether
- Patent number 4,182,914
- Issue date Jan 8, 1980
- Nippon Oil Company Limited
- Masao Imaizumi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for continuously producing tert-butyl alcohol
- Patent number 4,180,688
- Issue date Dec 25, 1979
- Nippon Oil Co., Ltd.
- Masao Imaizumi
- C07 - ORGANIC CHEMISTRY