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.

公开(公告)号：US20230167291A1

公开(公告)日：2023-06-01

申请号：US17996820

申请日：2021-04-14

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

Inventor： Alessio Marrani ,  Ivan Falco ,  Stefano Millefanti

IPC: C08L27/16 ,  C08J5/18 ,  C08F214/22 ,  H10N30/098

CPC classification number: C08L27/16 ,  C08J5/18 ,  C08F214/222 ,  H10N30/098 ,  C08J2327/16 ,  C08L2203/20 ,  C08L2201/50

Abstract: The invention relates to aqueous dispersions of fluoropolymers comprising recurring units derived from vinylidene fluoride (VDF) in an amount of from 60% to 82% in moles and recurring units derived from trifluoroethylene (TrFE) in an amount of from 18% to 40% in moles, with respect to the total moles of recurring units, said fluoropolymers possessing an improved thermodynamic ordered structure in the ferroelectric phase.

公开(公告)号：US09732017B2

公开(公告)日：2017-08-15

申请号：US14909309

申请日：2014-07-28

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

Inventor： Ivan Wlassics ,  Marco Colladon ,  Stefano Millefanti ,  Giuseppe Marchionni ,  Marco Piccinini

IPC: C07C17/25 ,  C07C21/08

CPC classification number: C07C17/25 ,  C07C21/08

Abstract: A process for the dehydrochlorination of a chlorinated hydrocarbon comprising at least one chlorine atom and at least one hydrogen atom on vicinal carbon atoms to yield the corresponding unsaturated hydrocarbon, said process comprising contacting the chlorinated hydrocarbon with a guanidinium salt or its guanidine precursor.