MUMBAI, India, June 13 -- Intellectual Property India has published a patent application (202517050987 A) filed by Mitsubishi Pencil Company, Limited, Tokyo, on May 27, for 'oil-in-water ink composition for writing utensils.'
Inventor(s) include Ogura, Kosuke.
The application for the patent was published on June 13, under issue no. 24/2025.
According to the abstract released by the Intellectual Property India: "An aqueous ink composition for writing utensils according to the present invention comprises an aqueous phase and an oil phase that is dispersed, in the form of an oil-in-water emulsion, in the aqueous phase; at least one of the oil phase and the aqueous phase contains a coloring material; the oil phase contains an oxygen removing...