Patent · US Expired

Derivatives of trimethylbicyclo-[4.3.0]-nonane, useful as perfumes

US5002929A · kind A · utility

1Cited by

7References

8Claims

0Family size

Assignee

Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

Klaus Bruns · Uerdingen, DE
Thomas Gerke · Goldkronach, DE
Ursula Schmitz · Cologne, DE

Key dates

Filing date	Oct 12, 1989
Grant date	Mar 26, 1991
Priority date	—
Expiry date	Oct 12, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2602/24
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

Certain trimethylbicylo-[4.3.0]-nonane derivatives, particularly those having a single acetyl substituent on the six membered ring, are novel compounds useful as perfumes to give highly persistent iris butter, methyl ionone, tobacco, and wood odor notes.

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