Repsol has been granted a patent for new modified polymer polyols with high P and N content. The polyols contain stable polymeric particles and are used in the preparation of polyurethane materials. The patent also covers the process for their preparation involving polycondensation reactions. 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 May 2024 was 55%. Grant share is based on the ratio of number of grants to total number of patents.
A recently granted patent (Publication Number: US11987661B2) discloses a modified polymer polyol that includes a base polyol and a stable dispersion of polymeric particles. The process for obtaining this modified polymer polyol involves a polycondensation reaction of specific compounds bearing basic-nitrogen atoms and phosphorous atoms. The compounds used in the reaction are carefully selected from a group of hydroxyalkylphosphines, hydroxyalkylphosphonium salts, and hydroxyalkylphosphine oxides. The resulting modified polymer polyol has a phosphorous content ranging from 13 to 35 wt % and a nitrogen content ranging from 7 to 30 wt %.
Furthermore, the patent also covers a process for producing the modified polymer polyol, which includes the polycondensation reaction of the specified compounds in the presence of a base polyol. An additional step of oxidizing the polymeric particles dispersed in the base polyol using an oxidizing agent is included in the process. The modified polymer polyol obtained from this process can be used in the preparation of polyurethane materials by reacting it with a polyisocyanate and an isocyanate-reactive component. The resulting polyurethane material exhibits enhanced properties due to the unique composition of the modified polymer polyol, making it suitable for various applications in industries requiring high-performance materials.
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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.
