公开(公告)号：US20250105297A1

公开(公告)日：2025-03-27

申请号：US18714534

申请日：2022-11-25

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

Inventor： Stefano Millefanti ,  Alessio Marrani ,  Maurizio Biso ,  Stefano Mauri ,  Romain Debortoli ,  Fernand Gauthy ,  Vijay Kadam ,  Rahul Shingte

IPC: H01M4/62 ,  H01M4/02 ,  H01M4/04 ,  H01M4/1397 ,  H01M4/58

Abstract: Electrode compositions [binder (B)] for use in the preparation of electrodes for electrochemical devices, including a polytetrafluoroethylene (PTFE); and a low melting point VDF-based fluororesin [polymer (A)] having a melting point of less than 220° C., said polymer (A) comprising: at least 50% by moles of recurring units derived from VDF, with respect to all recurring units of said polymer (A), and recurring units derived from at least one comonomer (CM), said comonomer (CM) being selected from a hydrophilic (meth)acrylic comonomer [comonomer (MA)] and a fluorinated comonomer [comonomer (F)].

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：US20240166818A1

公开(公告)日：2024-05-23

申请号：US18546729

申请日：2022-02-11

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

Inventor： Dipankar Basak ,  Chinmay Nardele ,  Rahul Shingte ,  Mattia Bassi

IPC: C08G73/12 ,  G03F7/023

CPC classification number: C08G73/12 ,  G03F7/023

Abstract: The present invention relates to novel polyimide polymers containing certain fluorinated diamine moieties, said polyimide polymers being characterized by excellent dielectric performances. The present invention also relates to the use of said polyimide-based polymers in polymer compositions in microelectronics applications.

公开(公告)号：US20240150524A1

公开(公告)日：2024-05-09

申请号：US18546726

申请日：2022-02-11

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

Inventor： Dipankar Basak ,  Mattia Bassi ,  Rahul Shingte

IPC: C08G73/10 ,  C08K5/28 ,  C08K5/5397

CPC classification number: C08G73/1025 ,  C08G73/1039 ,  C08G73/1071 ,  C08K5/28 ,  C08K5/5397

Abstract: The present invention relates to novel polyimide polymers containing certain fluorinated diamine moieties, said polyimide polymers being characterized by excellent dielectric performances. The present invention also relates to the use of said polyimide-based polymers in polymer compositions in microelectronics applications.