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Polishing liquid and polishing method
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Patent number 11,136,474
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Issue date Oct 5, 2021
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SHOWA DENKO MATERIALS CO., LTD.
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Hiroshi Ono
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Multi-layered polymers
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Patent number 5,298,559
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Issue date Mar 29, 1994
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Mitsubishi Gas Chemical Company, Inc.
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Tatsuo Fujii
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Polycarbonate resin composition
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Patent number 5,288,801
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Issue date Feb 22, 1994
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Mitsubishi Gas Chemical Company, Inc.
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Kazuhiko Ishii
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