Yoshiaki Izumisawa

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing terephthalic acid
- Patent number 5,567,842
- Issue date Oct 22, 1996
- Mitsubishi Chemical Corporation
- Yoshiaki Izumisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing an aqueous slurry of terephthalic acid
- Patent number 5,557,009
- Issue date Sep 17, 1996
- Mitsubishi Chemical Corporation
- Yoshiaki Izumisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing highly pure terephthalic acid
- Patent number 5,420,344
- Issue date May 30, 1995
- Mitsubishi Chemical Corporation
- Yoshiaki Izumisawa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing terephthalic acid of high quality
- Patent number 4,877,900
- Issue date Oct 31, 1989
- Mitsubishi Chemical Industries Limited
- Akio Tamaru
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing highly pure terephthalic acid
- Patent number 4,772,748
- Issue date Sep 20, 1988
- Mitsubishi Chemical Industries Limited
- Hiroshi Hashizume
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing orthoalkylphenols
- Patent number 4,599,465
- Issue date Jul 8, 1986
- Mitsubishi Chemical Industries, Ltd.
- Akio Tamaru
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing terephthalic acid by the catalytic oxidation...
- Patent number 4,593,122
- Issue date Jun 3, 1986
- Mitsubishi Chemical Industries Limited
- Hiroshi Hashizume
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing terephthalic acid
- Patent number 4,562,285
- Issue date Dec 31, 1985
- Mitsubishi Chemical Industries Limited
- Hiroshi Hashizume
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing terephthalic acid
- Patent number 4,560,793
- Issue date Dec 24, 1985
- Mitsubishi Chemical Industries Limited
- Hiroshi Hashizume
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing terephthalic acid
- Patent number 4,329,493
- Issue date May 11, 1982
- Mitsubishi Chemical Industries, Limited
- Hiroshi Hashizume
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing terephthalic acid
- Patent number 4,197,412
- Issue date Apr 8, 1980
- Mitsubishi Chemical Industries, Limited
- Tsuneo Kimura
- C07 - ORGANIC CHEMISTRY

Yoshiaki Izumisawa

Person

Patents Grantslast 30 patents

Process for producing terephthalic acid

Process for preparing an aqueous slurry of terephthalic acid

Process for producing highly pure terephthalic acid

Process for preparing terephthalic acid of high quality

Process for producing highly pure terephthalic acid

Process for producing orthoalkylphenols

Process for preparing terephthalic acid by the catalytic oxidation...

Process for producing terephthalic acid

Process for producing terephthalic acid

Process for producing terephthalic acid

Process for preparing terephthalic acid