Patent · US Active

Preservatives

US8877234B2 · kind B2 · utility

2Cited by

8References

45Claims

0Family size

Assignee

Clariant Finance (BVI) Limited · VG

Inventors

Waltraud Simsch · Kelkheim, DE
{dot over (P)}eter Klug · Nidderau, DE
Sonja Klein · Wemding, DE

Key dates

Filing date	Jan 25, 2006
Grant date	Nov 4, 2014
Priority date	—
Expiry date	May 6, 2031

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q19/10
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to clear, liquid preservatives, which contain a) one or several 1-hydroxy-4-methyl-6-alkyl-2(1H)-pyridones and/or one or several salts thereof, wherein alkyl represents a linear, branched or cyclic alkyl group having 1-12 carbon atoms, and b) one or several alcohols containing one or several aromatic groups.

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