Abstract: 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.
Type:
Grant
Filed:
February 21, 2018
Date of Patent:
June 29, 2021
Assignee:
RHODIA OPERATIONS
Inventors:
Cédric Humblot, David Vanzin, Lars Fischer, Rodolphe Sapey-Triomphe