Patent · US Active

Cosmetic liquid extractor comprising nonionic polymers

US9681733B2 · kind B2 · utility

0Cited by
14References
9Claims
0Family size

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Key dates

Filing dateJan 29, 2014
Grant dateJun 20, 2017
Priority date
Expiry dateJan 29, 2034

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q19/00
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Aqueous liquid compositions are provided, which comprise nonionic polymers, such as polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), or combinations thereof, and which are free of or substantially free of salt-forming groups. The aqueous liquids form solid, flexible films after direct application to skin, and the films may be peeled from the skin to remove adhered keratotic plugs from pores of the skin. The compositions are easily applied to skin, without dripping, with fingers, a brush, or other applicators.

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