公开(公告)号：US11919834B2

公开(公告)日：2024-03-05

申请号：US17604522

申请日：2020-05-05

Applicant: SOLVAY SPECIALTY POLYMERS ITALY S.P.A.

Inventor： Rahul Shingte ,  Debaki Ghosh ,  Letanzio Bragante ,  Manuel Gregori ,  Stefano Millefanti ,  Emanuela Antenucci ,  Joel Pollino

IPC: C07C43/275 ,  C07C41/06 ,  C07C41/30 ,  C07C51/08 ,  C07C201/08 ,  C07C213/02 ,  C07C253/14 ,  C07C317/22 ,  C07D263/57 ,  C08G73/10

CPC classification number: C07C213/02 ,  C07C41/06 ,  C07C41/30 ,  C07C51/08 ,  C07C201/08 ,  C07C253/14 ,  C07C317/22 ,  C07D263/57 ,  C08G73/1007 ,  C07C2601/04

Abstract: The invention pertains to a multi-step process for making polyfunctional aromatic compounds comprising two phenyl rings bearing reactive groups susceptible of polycondensation reaction to provide polycondensed polymers, said method using economic raw materials, and possessing high selectivity and overall yield.