公开(公告)号：US11046631B2

公开(公告)日：2021-06-29

申请号：US16486427

申请日：2018-02-21

申请人： RHODIA OPERATIONS

发明人： Cédric Humblot ,  David Vanzin ,  Lars Fischer ,  Rodolphe Sapey-Triomphe

IPC分类号： C07C37/70 ,  C07C39/04 ,  C07C39/06 ,  C07C39/08 ,  B01J2/02 ,  B01J2/20

摘要： The invention relates to a novel solid form of diphenol compound. A process for the preparation of diphenol prills having a spherical shape is disclosed. Said process comprising providing a molten composition comprising from 50 to 100 wt. % of a diphenol compound or a mixture of at least two diphenol compounds, and less than 0.1 wt. % of water; forcing said molten composition through at least one droplet generator means to form droplets; and cooling said droplets to form solid diphenol prills. The diphenol prills obtainable by said process are also one subject-matter of the invention.

公开(公告)号：US20220411542A1

公开(公告)日：2022-12-29

申请号：US17775169

申请日：2019-11-06

申请人： RHODIA OPERATIONS

发明人： Jing Jiang ,  Ding Wang ,  David Vanzin

IPC分类号： C08F2/40 ,  C07D279/20

摘要： The invention relates to a composition for the immediate termination of a free-radical polymerization, the use thereof for the stabilization of free-radically polymerizable monomers against free-radical polymerization and a method for the immediate termination of free-radical polymerizations.