MUMBAI, India, June 24 -- Intellectual Property India has published a patent application (202617059690 A) filed by Lg Chem, Ltd. on May 11, 2026, for Styrene-Based Copolymer, Method For Preparing Same, And Resin Composition Including Same.
Inventors include Ju, Min Cheol; Lee, Dae Woo; Bae, Jae Yeon; Shin, Min Seung; Hong, Sung Won; Kim, In Soo; and Shin, Chan Ho.
The application for the patent was published on June 12, 2026, under issue no. 24/2026.
Abstract: A styrene-based copolymer according to an embodiment of the present invention comprises an alkyl (meth)acrylate-based monomer unit, an aromatic vinyl-based monomer unit, and a maleimide-based monomer unit, wherein the refractive index deviation defined by Equation 1 may be 0.02 or less. In Equation 1, the first refractive index is the refractive index of the styrene-based copolymer measured after vacuum drying, and the second refractive index is the refractive index of a precipitate obtained by dissolving the styrene-based copolymer in a tetrahydrofuran (THF) solution and then precipitating with methanol.
Disclaimer: Curated by HT Syndication.
