Patent · US Expired

Sunscreen compositions

US4129645A · kind A · utility

25Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1977
Grant dateDec 12, 1978
Priority date
Expiry dateApr 19, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2987
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Sunscreen compositions in the form of a skin softening moisturizing base with at least a part of the sunscreening active ingredient encapsulated in a hectorite clay capsule.

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