GENEVA, Oct. 22 -- MITSUBISHI PENCIL COMPANY, LIMITED filed a patent application (JP2026/013324) for “AQUEOUS INK COMPOSITION FOR BALLPOINT PEN”. With publication no. WO/2026/220824, here are the other details related to the patent application:
Kind: Initial Publication with ISR [A1]
IPC: C09D 11/18
Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).
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