Patent · US Expired

Substantive water-soluble cationic UV-absorbing compounds

US5633403A · kind A · utility

7Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1995
Grant dateMay 27, 1997
Priority date
Expiry dateJun 6, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C237/20
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Substantive UV-absorbing cinnamido amine cationic quaternary salts are disclosed. Detergent and household cleaning product compositions and hair and skin personal care product compositions, as well as sunscreen and tanning lotion compositions, containing the compounds of the present invention are also described.

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