MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517056262 A) filed by Kemira Oyj, Helsinki, on June 11, for 'use of a composition comprising a cationic biopolymer.'
Inventor(s) include Hietaniemi, Matti; Korhonen, Markus; Karppi, Asko; Konn, Jonas; Behabtu, Natnael; Adelman, Douglas; and Knispel, Simone.
The application for the patent was published on July 4, under issue no. 27/2025.
According to the abstract released by the Intellectual Property India: "The invention relates to a use of a composition comprising a cationic biopolymer as a drainage agent and/or as a dewatering agent in a manufacture of pulp or of a fibrous web comprising cellulosic fibres. The cationic biopolymer is selected from cationic crosslinked a-(1,3-glucan) polymers, cationic ester- or ether-derivatives of graft copolymers of dextran and a-1,3-glucan or any of their mixtures. The invention relates also to a method for increasing dewatering and/or drainage in a manufacture of pulp or of a fibrous web."
The patent application was internationally filed on Nov. 15, 2023, under International application No.PCT/FI2023/050630.
Disclaimer: Curated by HT Syndication.
