Nippon Steel Corporation

Daiichi Sankyo Company, Limited

Makoto Miyajima

Kazuhiro Inoue

Keishi Matsumoto

Shigeru Noda

Takamitsu Takagi

Michiko Kumon

Akira Tsuto

Katsuyasu Ishida

Hitoshi Ishizuka

Sayuri Iwata

A method for producing a chemically treated alloy material is provided that suppresses a decrease in chemical treatability even in a case where chemical treatment is repeatedly performed. The method for producing a chemically treated alloy material of the present disclosure includes a chemical treatment step and a treatment solution regeneration step. In the chemical treatment step, an alloy material () is immersed in an oxalate treatment solution () containing oxalate ions and fluorine ions to perform a chemical treatment. In the treatment solution regeneration step, light is radiated to the oxalate treatment solution () during the chemical treatment and/or the oxalate treatment solution () after the chemical treatment.

Method for producing chemically treated alloy material, and chemical treatment solution regeneration apparatus used in method for producing chemically treated alloy material

There is provided a dry powder pharmaceutical composition for inhalation useful for preventing and/or treating influenza virus infections contains as a medicinal component a compound represented by formula (I): and optionally a compound represented by formula (II): a pharmacologically acceptable salt thereof, or a hydrate thereof.

Dry powder pharmaceutical composition for inhalation

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Tokyo, Japan

Makoto Miyajima