Fumio Ohashi

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Patents Grantslast 30 patents

Information Patent Grant
Solvent dewaxing waxy hydrocarbon oils using dewaxing aid
- Patent number 4,339,619
- Issue date Jul 13, 1982
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Onodera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Solvent dewaxing waxy hydrocarbon oils using dewaxing aid
- Patent number 4,315,813
- Issue date Feb 16, 1982
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Onodera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Recovery and recycle of dewaxing aid
- Patent number 4,192,732
- Issue date Mar 11, 1980
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Onodera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Solvent dewaxing waxy hydrocarbon oils using dewaxing aid
- Patent number 4,192,733
- Issue date Mar 11, 1980
- Toa Nenryo Kogyo Kabushiki Kaisha
- Takashi Onodera
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...