MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517058640 A) filed by Basf Se, Ludwigshafen am Rhein, Germany, on June 18, for 'aqueous polymer dispersions suitable as opacifiers in liquid formulations, process to produce, and their use.'
Inventor(s) include Weiss, Thomas; Ettl, Roland; Wagner, Aaron; and Kreider, Volker.
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 present invention relates to aqueous polymer dispersions, which are suitable as opacifiers in liquid formulations, a process to produce, the use of such aqueous polymer dispersions within cleaning compositions and such compositions. The aqueous polymer dispersions are obtainable by radical emulsion polymerization in aqueous environment by polymerizing i) at least one vinyl ester, ii) least one (meth)acrylic acid ester, which may optionally comprise methacrylic acid as minor component, the (meth)acrylic acid in the methacrylic acid ester being bonded via an ether-function to a polyalkylene oxide-derived-block (PAO), wherein the PAO consists of (2) to (40) alkylene oxide (AO), iii) optionally further polymerizable monomers, in the presence of a) a carboxyl-groups-containing compound being selected from a compound bearing in its structure at least three carboxyl-groups of which at least (10) and at most (90) percent are being deprotonated, b) at least one carboxylated or non-carboxylated saccharide and/or carboxylated or non-carboxylated polysaccharide, and c) at least one emulsifier selected from non-ionic and anionic surfactants, the resulting aqueous polymer dispersion optionally containing also sulfate ions and/or sulfite ions."
The patent application was internationally filed on Nov. 14, 2023, under International application No.PCT/EP2023/081697.
Disclaimer: Curated by HT Syndication.
