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Takeo Oyamada
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Ichihara, JP
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last 30 patents
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Patent Grant
Vinyl acetate-ethylene copolymer emulsion and process for producing...
Patent number
5,110,856
Issue date
May 5, 1992
Sumitomo Chemical Co., Ltd.
Takeo Oyamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Vinyl acetate-ethylene copolymer emulsion and process for producing...
Patent number
5,070,134
Issue date
Dec 3, 1991
Sumitomo Chemical Co., Ltd.
Takeo Oyamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Binder composition and nonwoven fabrics and impregnated papers usin...
Patent number
4,847,143
Issue date
Jul 11, 1989
Sumitomo Chemical Company, Limited
Katsuyoshi Watanabe
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Process for producing aqueous emulsions of vinyl chloride/vinyl est...
Patent number
4,299,941
Issue date
Nov 10, 1981
Sumitomo Chemical Company, Limited
Shizuo Narisawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pressure-sensitive adhesive and vinyl acetate-ethylene copolymer em...
Patent number
4,128,518
Issue date
Dec 5, 1978
Sumitomo Chemical Company, Limited
Takeo Oyamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing aqueous emulsions of vinyl chloride/vinyl ace...
Patent number
4,123,405
Issue date
Oct 31, 1978
Sumitomo Chemical Company, Limited
Takeo Oyamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for producing an aqueous dispersion of vinyl acetate-ethyle...
Patent number
4,108,819
Issue date
Aug 22, 1978
Sumitomo Chemical Company, Limited
Takeo Oyamada
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...