MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202617057533 A) filed by Thread Innovations Inc. on May 06, 2026, for Carbon Fiber Production From Asphaltene-Based Precursor Material.

Inventor includes Chen, Weixing.

The application for the patent was published on June 26, 2026, under issue no. 26/2026.

Abstract: A method of treating a hydrocarbon material including asphaltenes includes heat treatment with a chemical additive such as ammonium sulphate, with subsequent solvent recovery of asphaltenes. The asphaltenes may be spun into precursor fibers or heat treated and then spun into precursor fibers. The precursor fibers may be stabilized and/or oxidized before carbonization into carbon fibers....