公开(公告)号：US20220387290A1

公开(公告)日：2022-12-08

申请号：US17613841

申请日：2020-02-18

Applicant: ISP INVESTMENTS LLC

Inventor： Donald I PRETTYPAUL ,  Diane M. KENNEDY ,  Hani M. FARES

IPC: A61K8/81 ,  A61K8/06 ,  A61K8/35 ,  A61K8/365 ,  A61K8/40 ,  A61Q17/04

Abstract: Disclosed herein is a sunscreen composition(s) comprising (i) at least one sunscreen active ingredient(s); (ii) at least one copolymer of vinyl pyrrolidone (VP) and styrene; and (iii) at least one pharmaceutically or cosmetically or dermatologically acceptable excipient. Also disclosed is a method of protecting human skin and animal skin against damages caused by ultra-violet (UV) radiations from the sun rays.

公开(公告)号：US20170174809A1

公开(公告)日：2017-06-22

申请号：US15301429

申请日：2015-03-30

Applicant: ISP Investments LLC

Inventor： Michael A. TALLON ,  Mousumi GHOSH ,  Krishnamurthy NACHARAJU ,  Hani M. FARES ,  Donald I PRETTYPAUL ,  Osama M. Musa

IPC: C08F226/06 ,  C08F226/10 ,  A61K47/34 ,  C08F226/08

CPC classification number: C08F226/06 ,  A61K8/817 ,  A61K47/34 ,  A61Q17/04 ,  C08F220/18 ,  C08F226/08 ,  C08F226/10 ,  C08F2220/1858 ,  C08F220/14

Abstract: The invention provides polymers comprising repeating units derived from (a) from 16% by weight to about 35% by weight of said polymer of at least one N-vinyl lactam monomer; (b) at least one monomer selected from the group consisting of functionalized and unfunctionalized C1-C6 alkyl (meth)acrylates, C1-C6 alkyl (meth)acrylamides and combinations thereof; and (c) at least one monomer selected from the group consisting of functionalized and unfunctionalized C8-C30 branched alkyl (meth)acrylates, C8-C30 branched alkyl (meth)acrylamides, and combinations thereof; wherein the polymer has a glass transition temperature of greater than about 45° C. The invention further provides various compositions, such as, personal care, sun care, coatings, and pharmaceutical compositions comprising the polymers described herein. The invention furthermore provides water-resistant sun care compositions comprising the polymers described herein. Subscripts x, y and z are described herein.