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MINAMI-KU, OSAKA, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Process for the production of basic alkaline earth metal phenates
Patent number
4,518,807
Issue date
May 21, 1985
Maruzen Oil Co., Ltd.
Takashi Hori
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for the production of p-vinyl phenol polymer
Patent number
4,517,349
Issue date
May 14, 1985
Maruzen Oil Company, Limited
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the production of para-vinyl phenol by dehydrogenation...
Patent number
4,503,271
Issue date
Mar 5, 1985
Maruzen Oil Co., Ltd.
Hiroshi Fujiwara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of fuel compositions
Patent number
4,455,149
Issue date
Jun 19, 1984
Maruzen Oil Co., Ltd.
Takeo Satake
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Novel antitumor glycoprotein substance and its preparation
Patent number
4,436,656
Issue date
Mar 13, 1984
Maruzen Oil Co., Ltd.
Takuma Sasaki
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
Antitumor glycoprotein substance and preparation thereof
Patent number
4,436,657
Issue date
Mar 13, 1984
Maruzen Oil Co., Ltd.
Takuma Sasaki
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Preparation of antitumor agent from shellfish
Patent number
4,390,468
Issue date
Jun 28, 1983
Maruzen Oil Co., Ltd.
Takuma Sasaki
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for converting glycol dialkyl ether
Patent number
4,368,337
Issue date
Jan 11, 1983
Maruzen Oil Co., Ltd.
Kinya Tawara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ethylene glycol mono-t-butyl ether
Patent number
4,345,102
Issue date
Aug 17, 1982
Maruzen Oil Co., Ltd.
Tadashi Matsumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing ethylene glycol mono-tert-butyl ether
Patent number
4,299,997
Issue date
Nov 10, 1981
Maruzen Oil Co., Ltd.
Tadashi Matsumoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Stabilized polypropylene composition
Patent number
4,243,581
Issue date
Jan 6, 1981
Maruzen Oil Co., Ltd.
Motonobu Minagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilized polymer composition
Patent number
4,221,700
Issue date
Sep 9, 1980
Maruzen Oil Co., Ltd.
Motomobu Minagawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing high-quality terephthalic acid suitable for u...
Patent number
4,189,603
Issue date
Feb 19, 1980
Matsuyama Petrochemicals Inc.
Motoo Shigeyasu
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for producing highly pure p-tertiary-butyl phenol
Patent number
4,166,191
Issue date
Aug 28, 1979
Hitachi Chemical Company, Ltd.
Masakazu Ueoka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Powder coating composition
Patent number
4,151,220
Issue date
Apr 24, 1979
Maruzen Oil Co., Ltd.
Yoshihide Watanabe
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Radiation process for the production of graft copolymer to be used...
Patent number
4,137,137
Issue date
Jan 30, 1979
Japan Atomic Energy Research Institute
Sueo Machi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Fluoro carbon graft copolymer and process for the production thereof
Patent number
4,129,617
Issue date
Dec 12, 1978
Japan Atomic Energy Research Institute
Sueo Machi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing over-based sulfurized alkaline earth metal ph...
Patent number
4,123,371
Issue date
Oct 31, 1978
Maruzen Oil Co., Ltd.
Takashi Hori
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information
Patent Grant
Process for separation and purification of vinylphenol
Patent number
4,101,590
Issue date
Jul 18, 1978
Maruzen Oil Co., Ltd.
Mikio Sato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for purifying halogenated alkenylphenol polymers
Patent number
4,032,598
Issue date
Jun 28, 1977
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of producing alkenylphenol polymers
Patent number
4,032,513
Issue date
Jun 28, 1977
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing p-vinylphenol polymer
Patent number
4,028,340
Issue date
Jun 7, 1977
Maruzen Oil Co. Ltd.
Kenji Kanezaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for diaphragm electrolysis of alkali metal halides
Patent number
4,025,401
Issue date
May 24, 1977
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing granular sulfurized material, granular carbon...
Patent number
4,024,076
Issue date
May 17, 1977
Maruzen Oil Co. Ltd.
Hiroshi Miyake
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Flame resistant thermosetting resin composition and metal clad lami...
Patent number
4,021,403
Issue date
May 3, 1977
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Metal clad laminate composed of flame resistant thermosetting resin...
Patent number
4,020,225
Issue date
Apr 26, 1977
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
B32 - LAYERED PRODUCTS
Information
Patent Grant
Novel composite comprising a special graft-copolymer
Patent number
4,016,134
Issue date
Apr 5, 1977
Japan Atomic Energy Research Institute
Sueo Machi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for diaphragm electrolysis of alkali metal halides
Patent number
4,011,147
Issue date
Mar 8, 1977
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Graft copolymer and process for preparation thereof
Patent number
3,970,534
Issue date
Jul 20, 1976
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polyion complex and process for preparation thereof
Patent number
3,963,662
Issue date
Jun 15, 1976
Maruzen Oil Co. Ltd.
Hiroshi Fujiwara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Trademark
last 30 trademarks
Information
Trademark
72443766 - MARUZEN OIL
Serial number
72443766
Registration number
1048328
Filing date
Dec 14, 1972
MARUZEN OIL CO., LTD.
4 - Industrial oils and greases
Information
Trademark
72443767 - MARUZEN
Serial number
72443767
Registration number
991152
Filing date
Dec 14, 1972
MARUZEN OIL CO., LTD.
3 - Bleaching preparations and other substances for laundry use