The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 02, 2002
Filed:
Jan. 06, 2000
L'Oreal, Paris, FR;
Abstract
A nanoemulsion, the oil globules of which have an average size of less than 100 nm, comprising an anionic surfactant chosen from alkyl ether citrates and at least one oil having a molecular weight of greater than 400, the ratio by weight of the amount of oily phase to the amount of surfactant ranging from 2 to 10. The emulsion obtained is transparent and stable on storage. It can comprise large amounts of oil while retaining good transparency and while having good cosmetic properties. It can constitute a composition for topical use, a pharmaceutical composition or an ophthalmological composition. The invention also relates to the use of the nanoemulsion according to the invention in the cosmetics and dermatological fields, in particular for moisturizing the skin and/or mucous membranes, as well as for treating the hair, and in the ophthalmological field, as an eye lotion for treating the eyes.