Patent · US Expired

Cosmetic compositions

US6309657A · kind A · utility

16Cited by
28References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 1999
Grant dateOct 30, 2001
Priority date
Expiry dateDec 28, 2019

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q1/10
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Disclosed are cosmetic compositions, including lipsticks, comprising from 0.01% to about 50%, by weight, of cylindrical crystalline vitamin B.sub.3 particles having a particle size distribution such that at least about 70% of the crystalline particles have a height to width ratio greater than 1; from about 1% to about 90%, by weight, of an emollient component; from about 1% to about 90%, by weight, of a solidifying agent; and from about 1% to about 90%, on an anhydrous basis, of a color. The compositions provide improved skin feel of crystalline vitamin B3 compounds when applied to skin.

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