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Hideaki Nishiguchi
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Kako-gun Hyogo 675-01, JP
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Patents Grants
last 30 patents
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Patent Grant
Additive for rubber
Patent number
10,774,199
Issue date
Sep 15, 2020
Sumitomo Seika Chemicals Co., Ltd.
Shinya Murakami
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing .alpha.-haloacetophenone derivative
Patent number
5,821,388
Issue date
Oct 13, 1998
Sumitomo Seika Chemical Co., Ltd.
Junichi Sakamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing aromatic or heteroaromatic sulfonyl halides
Patent number
5,811,571
Issue date
Sep 22, 1998
Hitoshi Karino
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
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Patent Application
POLISHING COMPOSITION
Publication number
20210277281
Publication date
Sep 9, 2021
SUMITOMO SEIKA CHEMICALS CO., LTD.
Tsuyoshi MASUDA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Application
POLISHING COMPOSITION
Publication number
20210277282
Publication date
Sep 9, 2021
SUMITOMO SEIKA CHEMICALS CO., LTD.
Tsuyoshi MASUDA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ADDITIVE FOR RUBBER
Publication number
20180362732
Publication date
Dec 20, 2018
SUMITOMO SEIKA CHEMICALS CO., LTD.
Shinya MURAKAMI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...