Patent · US Expired

Slow release of fragrant compounds in perfumery using 2-benzoyl benzoates, 2-alkanoyl benzoates or .alpha.-keto esters

US6133228A · kind A · utility

21Cited by

8References

19Claims

0Family size

Assignee

FIRMENICH SA · CH

Inventors

Jana Pika · Princeton, US
Andreas Herrmann · Stuttgart, DE
Christian Vial · Vernier, CH

Key dates

Filing date	May 28, 1998
Grant date	Oct 17, 2000
Priority date	—
Expiry date	May 28, 2018

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K2800/57
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A fragrance delivery system which releases fragrant alcohols upon exposure to light. The system comprises 2-benzoyl benzoates of general formulae ##STR1## which can comprise various subtituents R.sub.1 -R.sub.5 as defined in the application and a substituted R* which is the organic part of a fragrant alcohol.

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