Patent ID: 11965075
Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES
Field: Other special machines (Mechanical engineering)
Classification: CPC C  B  H  Y | IPC B  C

Claim 19:
20. A process according to claim 1, further comprising, after the second step and in the case in which one of the compounds of formula (I) comprises a free-radically polymerizable ethylenically unsaturated group, a third step consisting of bringing the material as obtained at the end of the second step into contact, in a third supercritical fluid, with a mixture comprising a radical polymerization initiator and one or several free-radically polymerizable ethylenically unsaturated monomers, the radical polymerization initiator and the monomer(s) each being soluble in the third supercritical fluid.