Patent · US Expired

Use of substituted 2-acetylbenzofurans as odoriferous substances

US5972878A · kind A · utility

6Cited by

4References

9Claims

0Family size

Assignee

Haarmann & Reimer Corporation · DE

Inventors

Steffen Sonnenberg · Holzminden, DE
Peter Worner · Holzminden, DE
Ulrich Harder · Holzminden, DE

Key dates

Filing date	Aug 28, 1997
Grant date	Oct 26, 1999
Priority date	—
Expiry date	Aug 28, 2017

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11B9/0076
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Certain 2-carbonylbenzofurans and 2-carbonyl-2,3-dihydrobenzofurans are excellent odoriferous substances.

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