Patent · US Active

Direct contact quench crystallization process and cosmetic products produced thereby

US7452526B2 · kind B2 · utility

13Cited by
8References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 1, 2005
Grant dateNov 18, 2008
Priority date—
Expiry dateOct 4, 2026

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K8/042
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A process for making a solid cosmetic composition, the process comprising the steps of: forming at least one hot process stream comprising a solvent and a gellant dissolved therein, the hot process stream having a first temperature; forming at least one cold process stream comprising a cosmetic active having a second temperature, wherein the second temperature is at least 5 degrees C. below the first temperature; combining the at least one hot process stream and the at least one cold process stream together in a mixing chamber having no moving parts therein and without applying external source of cooling, to form a substantially homogeneous product stream.

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