Patent · US Expired

Sunless tanning products and processes

US6706257B1 · kind B1 · utility

13Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 18, 2001
Grant dateMar 16, 2004
Priority date—
Expiry dateMay 6, 2022

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/04
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Sunless tanning compositions are substantially improved by adding methylsulfonyl methane [MSM] sequentially or simultaneously to compositions containing dihydroxyacetone [DHA].

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