INTERNATIONAL PATENT: VERSALIS S.P.A., ENI S.P.A. FILES APPLICATION FOR "HYDROGENATED MULTIBLOCK LINEAR STYRENE-BUTADIENE COPOLYMERS, PROCESS FOR THEIR PREPARATION AND THEIR USE AS VISCOSITY INDEX-IMPROVER ADDITIVES"

GENEVA, April 19 -- VERSALIS S.P.A. (Piazza Boldrini, 120097 San Donato Milanese (MI)), ENI S.P.A. (Piazzale Enrico Mattei, 100144 Roma) filed a patent application (PCT/IB2024/059956) for "HYDROGENATED MULTIBLOCK LINEAR STYRENE-BUTADIENE COPOLYMERS, PROCESS FOR THEIR PREPARATION AND THEIR USE AS VISCOSITY INDEX-IMPROVER ADDITIVES" on Oct 11, 2024. With publication no. WO/2025/079014, the details related to the patent application was published on Apr 17, 2025.

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

Inventor(s): PERRETTA, Costantino (c/o VERSALIS S.p.A.Piazza Boldrini, 120097 San Donato Milanese (MI)), ...