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Hiroshi Fujiwara
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Soka, JA
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last 30 patents
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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
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
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
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-...