公开(公告)号：US11859029B2

公开(公告)日：2024-01-02

申请号：US16786959

申请日：2020-02-10

Applicant: ISP INVESTMENTS LLC

Inventor： Oliver Johnathan Deane ,  Osama M. Musa ,  Steven Peter Armes ,  Alan Fernyhough ,  Rebecca Roisin Gibson

IPC: C08F120/28 ,  C08F120/36 ,  C08F126/06 ,  C08F2/10 ,  C08F293/00 ,  C08F120/34

CPC classification number: C08F2/10 ,  C08F120/34 ,  C08F293/005 ,  C08F120/28 ,  C08F120/36 ,  C08F126/06 ,  C08F2438/03

Abstract: The invention provides a method for preparation of homopolymers and non-homopolymers comprising polymerizing in an aqueous medium a monomer comprising at least one acryloyl moiety and at least one functionalized or unfunctionalized lactam moiety, and optionally at least one hydrophilic or hydrophobic comonomer, in the presence of at least one chain transfer agent and at least one non-radiation initiator. Exemplary diblock polymers prepared by the method have the structure:







where subscripts x, y, and z and variables R, R8, R9 and R10 are described herein.

公开(公告)号：US10905636B2

公开(公告)日：2021-02-02

申请号：US16069770

申请日：2017-01-11

Applicant: ISP INVESTMENTS LLC

Inventor： Osama M. Musa ,  Victoria Jane Cunningham ,  Steven Peter Armes

IPC: C08F293/00 ,  A61K8/06 ,  A61K8/81 ,  C08L35/02 ,  C08F220/18 ,  C08F220/34 ,  C08F220/60 ,  C08F222/22 ,  C08F222/38

Abstract: The invention provides block copolymers comprising at least one block A comprising repeating units derived from monomers comprising lactam and acryloyl moieties and at least one block B comprising repeating units derived from hydrophobic monomers. The invention further provides compositions comprising the block copolymers and applications thereof in various industrial areas including personal care. The invention furthermore provides compositions comprising colloidal particles of the block copolymers. The variables x, y, R8 and R9 are described herein.

公开(公告)号：US20190382519A1

公开(公告)日：2019-12-19

申请号：US16477025

申请日：2018-01-11

Applicant: ISP INVESTMENTS LLC

Inventor： Osama M. MUSA ,  Victoria Jane Cunningham ,  Steven Peter Armes

IPC: C08F293/00 ,  A61K8/90 ,  A61Q19/00 ,  A61K8/06

Abstract: This application provides cross-linked block copolymers comprising at least one block comprising repeating units derived from monomers comprising lactam and acryloyl moieties. The application further provides compositions comprising the block copolymers and applications thereof in various industrial areas including personal care. The application furthermore provides Pickering emulsion compositions comprising the block copolymers.