MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202617095754 A) filed by Omya International AG on August 07, 2026, for Removal Of The Unpleasant Smell In Calcium Carbonate Filled Polymer Compositions.
Inventors include Baranger, Joris; Welker, Matthias; Mcculloch, Louise; Ippolito, Fabio; Rentsch, Samuel; and Deporter, Craig.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: The present invention relates to a manufacturing process comprising the reaction of an oxidizable sulfur impurity of a natural calcium carbonate with at least one inorganic peroxide and the use of at least one inorganic peroxide for reducing the odor of a calcium carbonate-con...