Repsol has been granted a patent for stable modified polymer polyol dispersions, involving polymeric particles in a liquid polyol mixture. The process includes reacting compounds with basic-nitrogen atoms and phosphorus atoms, resulting in improved polyurethane materials. GlobalData’s report on Repsol gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Repsol, Photoelectrochemical water splitting was a key innovation area identified from patents. Repsol's grant share as of February 2024 was 70%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11912812B2) discloses a stable modified polymer polyol dispersion of polymeric particles in a liquid polyol mixture. The patent claims that this dispersion is obtainable through a process involving the preparation of polymeric particles in the presence of the liquid polyol mixture by reacting specific compounds bearing basic-nitrogen atoms with a mixture of compounds bearing phosphorus atoms. The compounds used in the process include melamine, trimethylol melamine, and compounds of formula (I) and (II). The patent further details the concentrations of various phosphorus-containing components in the mixture, emphasizing the specific ratios required for the stable dispersion.
Moreover, the patent describes a process for preparing the stable modified polymer polyol dispersion, involving the mixing of a polymeric particle precursor, base polyol, and monofunctional polyetheramine. The process outlines specific steps, including the preparation of polymeric particles by adding the compounds bearing basic-nitrogen atoms and phosphorus atoms to the liquid polyol mixture. Additionally, the patent highlights the use of specific compounds and their concentrations in the mixture to achieve the desired stable dispersion. The patent also extends to a method for preparing a polyurethane material using the modified polymer polyol and a polyurethane foam with low formaldehyde emissions, meeting international standards.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
