US Patent Issued to TOKYO OHKA KOGYO on April 22 for "Surface treatment liquid and hydrophilizing treatment method" (Japanese Inventor)

ALEXANDRIA, Va., June 6 -- United States Patent no. 12,281,188, issued on April 22, was assigned to TOKYO OHKA KOGYO Co. LTD. (Kanagawa, Japan).

"Surface treatment liquid and hydrophilizing treatment method" was invented by Takahiro Senzaki (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a hydrophilizing surface treatment liquid suppressing the deterioration over time of the effect of a surface treatment even when a surface-treated article is exposed to a variety of chemicals and a hydrophilizing treatment method in which the hydrophilizing surface treatment liquid is used. In a hydrophilizing surface treatment liquid including a polymerizable compound having an ethylenic unsaturat...