Patent · US Active

Cosmetic sunscreen stick

US11197805B2 · kind B2 · utility

0Cited by

1References

20Claims

0Family size

Assignee

BEIERSDORF AG · DE

Inventors

Shimoda Toshihiko · Tokyo, JP
Katrin WEINERT · Hamburg, DE
Andreas Bleckmann · Ahrensburg, DE

Key dates

Filing date	Jan 30, 2018
Grant date	Dec 14, 2021
Priority date	—
Expiry date	Jan 30, 2038

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/30
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Cosmetic stick containing: a) one or more UV filters, b) a Fischer-Tropsch wax with a solidification point of 80-85° C. (measured according to ASTM D 938) and a penetration at 25° C. of 0.4-0.9 mm (measured according to ASTM D 1321), the preparation being free from 3-(4-methylbenzylidene)-camphor, 2-hydroxy-4-methoxybenzophenone (INCI: Oxybenzone), 2-ethylhexyl 4-methoxycinnamate (INCI: Octyl Methoxycinnamate) and ethylhexyl-2-cyano-3,3-diphenylacrylate (INCI: Octocrylene).

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