Vesicles of high molecular weight silicone polyethers

• US 7,678,301 B2
• Filed: 04/19/2005
• Issued: 03/16/2010
• Est. Priority Date: 04/20/2004
• Status: Expired due to Fees

• Current Assignee: Dow, Inc.
• Original Assignee: Dow, Inc.
• Inventors: Lin, Shaow
• Primary Examiner(s): Gulakowski; Randy
• Assistant Examiner(s): LOEWE, ROBERT S
• Application Number:
  US10/594,410
• Publication Number:
  US 20070166263A1
• Time in Patent Office: 1,792 Days
• Field of Search: 424/70.12, 264/4.1
• US Class Current: 264/4.1
• CPC Class Codes: A61K 8/14 Liposomes; Vesicles
• CPC Class Codes: A61K 8/34 Alcohols
• CPC Class Codes: A61K 8/671 Vitamin A; Derivatives thereof, e.g. ester of vitamin A acid, ester of retinol, retinol, retinal
• CPC Class Codes: A61K 8/894 modified by a polyoxyalkylene group, e.g. cetyl dimethicone copolyol
• CPC Class Codes: A61Q 19/00 Preparations for care of the skin

Abstract

Vesicle compositions from high molecular weight silicone polyether copolymers, methods for preparing the vesicle compositions, and personal, household, and healthcare formulations containing the vesicle compositions are disclosed.

Claims

1. A process for making a vesicle composition comprising;

I) combining,

A) 2 to 25 wt % of a silicone polyether copolymer having a structure represented by;