MUMBAI, India, July 5 -- Intellectual Property India has published a patent application (202517058601 A) filed by Hyosung Tnc Corporation, Seoul, Republic of Korea, on June 18, for 'polyurethaneurea elastic yarn with excellent heat resistance and resilience, and manufacturing method therefor.'

Inventor(s) include Kim, Tae Heon; and An, Hyungjun.

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 method for manufacturing a polyurethaneurea elastic yarn composed of a polymer of a polyol and a diisocyanate, the method comprising: using a polyol and a diisocyanate so as to prepare a prepolymer having a capp...