Patent · US Expired

Method of using a liquid detergent with sunscreen agent

US4933174A · kind A · utility

30Cited by
12References
34Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 19, 1987
Grant dateJun 12, 1990
Priority date
Expiry dateOct 19, 2007

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61K8/4993
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A liquid composition comprising a sunscreen agent, a preservative, and a non-ionic detergent, an amphoteric detergent or a mixture thereof in an aqueous vehicle. The sunscreen agent is selected from an aminobenzoic acid, the esters of an aminobenzoic acid, homosalate, cinoxate, and oxybenzone and is present in an amount of not less than about 1 percent by weight of the composition. Applying the composition to the skin leaves an effective amount of the sunscreen agent on the skin even after rinsing to protect the skin against sunburn.

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