ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,693, issued on April 21, was assigned to Sumitomo Chemical Co. Ltd. (Tokyo).
"Method of storing antioxidant mixture" was invented by Masaki Ito (Ichihara, Japan) and Katsumi Sakakibara (Ichihara, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of storing an antioxidant mixture includes storing an antioxidant mixture containing an antioxidant and an aluminum compound represented by the following formula (3): AlR3 (3) wherein R moieties each independently represent a halogen atom or an alkyl group having 3 or more carbon atoms."
The patent was filed on Jan. 26, 2024, under Application No. 18/423,847.
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