Patent · US Expired

Ketolactones

US4056541A · kind A · utility

7Cited by

0References

3Claims

0Family size

Assignee

BASF SE

Inventors

Werner Hoffman · Schifferstadt, DE
Norbert Mueller · Ostseebad Nienhagen, DE
Karl VON Fraunberg

Key dates

Filing date	Mar 1, 1976
Grant date	Nov 1, 1977
Priority date	—
Expiry date	Mar 1, 1996

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D311/94
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

New macrocyclic ketolactones, especially 15-methyl-15-ethyl- and 15,15-dimethyl-12-oxo-15-hydroxytetradecanecarboxylic acid lactone. The new ketolactones have an intense and delicate woody musky odor and may be employed as scents and fixatives.

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