GENEVA, Nov. 16 -- KLABIN S.A. (Av. Brigadeiro Faria Lima, 3600, 3,4 e 5 andares, Itaim Bibi04538-132 São Paulo SP), UNIVERSIDADE FEDERAL DO RIO DE JANEIRO (Rua Aloisio Teixeira, 278 - Predio 2, Ilha da Cidade Universitaria21941-850 Rio de Janeiro RJ) filed a patent application (PCT/BR2025/050171) for "LIGNIN MODIFICATION PROCESS, MODIFIED LIGNIN, USES AS A PRECURSOR FOR CARBON FIBERS, AND CARBON FIBER OBTAINED THEREFROM" on May 09, 2025. With publication no. WO/2025/231543, the details related to the patent application was published on Nov 13, 2025.

Notably, the patent application was submitted under the International Patent Classification (IPC) system, which is managed by the World Intellectual Property Organization (WIPO).

Invento...