Patent · US Expired

Liquid personal cleansing compositions which contain a complex coascervate for improved sensory perception

US6028043A · kind A · utility

25Cited by
6References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 17, 1998
Grant dateFeb 22, 2000
Priority date
Expiry dateNov 17, 2018

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K2800/412
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Liquid personal cleansing compositions which comprise a complex coascervate, a lipophilic skin moisturizing agent, a stabilizer, a lathering surfactant and water are disclosed. The complex coascervate comprises particles having a particle size distribution such that at least about 10% by weight of the particles have a diameter of at least about 20 microns. The particles comprising the complex coascervate comprise 1) a polycation having a minimum filtrate with of about 10 grams, and 2) a polyanion. The complex coascervate is essentially free of cross-linking agent.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.