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Takeshi Shibano
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Yokkaichi, JP
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last 30 patents
Information
Patent Grant
Process for producing highly water absorptive polymer
Patent number
5,086,133
Issue date
Feb 4, 1992
Mitsubishi Petrochemical Company Limited
Kiichi Itoh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for production of acrylic acid
Patent number
5,077,434
Issue date
Dec 31, 1991
Mitsubishi Petrochemical Company Limited
Kohei Sarumaru
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of water absorptive resin
Patent number
5,059,664
Issue date
Oct 22, 1991
Mitsubishi Petrochemical Company Limited
Shuhei Yada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Shell-and-tube apparatus having an intermediate tube plate
Patent number
5,048,601
Issue date
Sep 17, 1991
JGC Corporation
Katsunobu Yamaguchi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing highly water absorptive polymer
Patent number
4,957,984
Issue date
Sep 18, 1990
Mitsubishi Petrochemical Company Limited
Kiichi Itoh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparation of water absorptive composite
Patent number
4,948,659
Issue date
Aug 14, 1990
Mitsubishi Petrochemical Company Limited
Kiichi Itoh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparation of water absorptive composite material
Patent number
4,892,754
Issue date
Jan 9, 1990
Mitsubishi Petrochemical Company Limited
Kiichi Itoh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing acrylic acid
Patent number
4,873,368
Issue date
Oct 10, 1989
Mitsubishi Petrochemical Company Limited
Koju Kadowaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of water absorptive composite material
Patent number
4,865,886
Issue date
Sep 12, 1989
Mitsubishi Petrochemical Company Limited
Kiichi Itoh
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for preparation of water absorptive composite
Patent number
4,842,927
Issue date
Jun 27, 1989
Mitsubishi Petrochemical Company Limited
Kiichi Itoh
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for producing acrolein and acrylic acid
Patent number
4,837,360
Issue date
Jun 6, 1989
Mitsubishi Petrochemical Company Ltd.
Koju Kadowaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparation of water absorptive composite material
Patent number
4,835,020
Issue date
May 30, 1989
Mitsubishi Petrochemical Company Limited
Kiichi Itoh
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for producing highly water-absorbing polymer
Patent number
4,755,560
Issue date
Jul 5, 1988
Mitsubishi Petrochemical Co., Ltd.
Kiichi Ito
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of water absorptive composite material
Patent number
4,738,867
Issue date
Apr 19, 1988
Mitsubishi Petrochemical Company, Limited
Kiichi Itoh
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for purification of 1,2-unsaturated carboxylic acids and/or...
Patent number
4,625,059
Issue date
Nov 25, 1986
501 Mitsubishi Petrochemical Company, Ltd.
Takeshi Shibano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for regenerating a catalyst
Patent number
4,604,370
Issue date
Aug 5, 1986
Mitsubishi Petrochemical Company, Limited
Kohei Sarumaru
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Production of acrylic acid
Patent number
4,365,087
Issue date
Dec 21, 1982
Mitsubishi Petrochemical Company Limited
Koju Kadowaki
C07 - ORGANIC CHEMISTRY