MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517059453 A) filed by Basf Se, Ludwigshafen am Rhein, Germany, on June 20, for 'improving the storage stability of hydrofluoroolefins in amine-containing polyol components for preparing polyurethanes.'
Inventor(s) include Schuette, Markus; Muuronen, Mikko Juhani Artturi; Schubert, Anne; and Pfeifle, Mark Claudius Gerhard.
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 a polyol component for preparing polyurethane foams, said polyol component containing: (a) compounds having at least two isocyanate-reactive hydrogen atoms; (b) catalysts comprising at least one polyurethane catalyst (b1) containing at least one tertiary nitrogen atom, the tertiary nitrogen atom being part of an aliphatic or aromatic ring and/or being bonded to at least one at least secondary carbon atom, and at least one polyurethane catalyst (b2) selected from the group consisting of cyclic amides, the polyurethane catalysts (b1) and (b2) having no dimethylamino groups that are bonded to a primary carbon atom; (c) blowing agents comprising hydrofluoroolefin; and (d) optionally additives. The present invention also relates to a method for preparing polyurethane foams by mixing such a polyol component with an isocyanate component containing at least one polyisocyanate to form a reaction mixture and reacting said reaction mixture to form the polyurethane; and a polyurethane foam that can be obtained using such a method."
The patent application was internationally filed on Nov. 20, 2023, under International application No.PCT/EP2023/082413.
Disclaimer: Curated by HT Syndication.
