The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 06, 2026
Filed:
Sep. 15, 2023
Fujifilm Corporation, Tokyo, JP;
Moe Narita, Shizuoka, JP;
Atsushi Mizutani, Shizuoka, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
An object of the present invention is to provide a composition that leaves few residues in a case where the composition is brought into contact with a Ru-containing substance to perform an etching treatment on the Ru-containing substance, and to provide a method for treating a substrate. The composition according to an embodiment of the present invention contains one or more periodic acid compounds selected from the group consisting of a periodic acid and a salt thereof, a quaternary ammonium salt represented by Formula (A), and a trialkylamine or a salt thereof.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile