Patent · US Active

Synergistic preservative blends

US11207252B2 · kind B2 · utility

0Cited by
3References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 27, 2014
Grant dateDec 28, 2021
Priority date
Expiry dateJun 27, 2034

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61Q5/02
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

A synergistic preservative composition comprises sorbic acid or a salt thereof, benzyl alcohol, and a mixture of (i) 1,2-propanediol and/or 1,3-propanediol, and (ii), 4-butanediol and/or 1,3-butanediol. The composition is particularly suited for the preservation of cosmetics and personal care products.

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