Patent · US Expired

Lipstick containing microencapsulated oils

US3947571A · kind A · utility

31Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1974
Grant dateMar 30, 1976
Priority date
Expiry dateMay 6, 1994

Classification

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

Abstract

Lipstick formulation comprising oils encapsulated in a water-soluble shell dispersed within an anhydrous base. The anhydrous base comprises a mixture of various waxes, oils and coloring agents. By remoistening the lips, a sustained release of the encapsulated oils is effected which imparts a shiny wet or moist look to the lips.

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