INTERNATIONAL PATENT: DENKA COMPANY LIMITED, デンカ株式会社 FILES APPLICATION FOR "POLYVINYL ALCOHOL POLYMER, POWDER OF POLYVINYL ALCOHOL POLYMER, ADDITIVE FOR OIL WELL CEMENT, CEMENT SLURRY, METHOD FOR PRODUCING POLYVINYL ALCOHOL POLYMER, METHOD FOR PRODUCING POWDER OF POLYVINYL ALCOHOL POLYMER AND METHOD FOR PRODUCING CEMENT SLURRY"

GENEVA, Oct. 5 -- DENKA COMPANY LIMITED (1-1, Nihonbashi-Muromachi 2-chome, Chuo-ku, Tokyo1038338), デンカ株式会社 (東京都中央区日本橋室町二丁目１番１号) filed a patent application (PCT/JP2025/012170) for "POLYVINYL ALCOHOL POLYMER, POWDER OF POLYVINYL ALCOHOL POLYMER, ADDITIVE FOR OIL WELL CEMENT, CEMENT SLURRY, METHOD FOR PRODUCING POLYVINYL ALCOHOL POLYMER, METHOD FOR PRODUCING POWDER OF POLYVINYL ALCOHOL POLYMER, AND METHOD FOR PRODUCING CEMENT SLURRY" on Mar 26, 2025. With publication no. WO/2025/206023, the details related to the patent application was published on Oct 02, 2025.

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