Patent · US Active

Depot preparations

US8268772B2 · kind B2 · utility

1Cited by

8References

18Claims

0Family size

Assignee

SYMRISE AG · DE

Inventors

Marcus Eh · Holzminden, DE
Horst Surburg · Holzminden, DE
Steffen Sonnenberg · Holzminden, DE

Key dates

Filing date	Jan 5, 2006
Grant date	Sep 18, 2012
Priority date	—
Expiry date	Jul 14, 2029

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C69/28
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to depot preparations for the targeted release of an aldehyde together with two carboxylic acids, where the released aldehydes are organoleptic substances, specifically fragrances or flavorings, and these depot preparations are prepared by reacting aldehydes with carboxylic anhydrides.

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