Intellectual Property India Publishes Patent Application for 'Pigment Formulation Based On C.i. Pigment Violet 23' Filed by Heubach Holding Switzerland Ag (LTD)

MUMBAI, India, March 28 -- Intellectual Property India has published a patent application (202417100410 A) filed by Heubach Holding Switzerland Ag (LTD), Pratteln, Switzerland, on Dec. 18, 2024, for 'pigment formulation based on c.i. pigment violet 23.'

Inventor(s) include Kuhlwein, Jurgen; Hammer, Sophie; Sohling, Ulrich; Heber, Thomas; and Wolf, Yann.

The application for the patent was published on March 28, under issue no. 13/2025.

According to the abstract released by the Intellectual Property India: "A pigment formulation comprising a) C.I. Pigment Violet 23 of the formula (I) as base pigment, b) a perylenetetracarboxylic diimide compound that contains at least one sulfo group and is of the general formula (II) as pigment synergist,...