Patent · US Expired

Tetracyclic acetals

US6420334B1 · kind B1 · utility

3Cited by

2References

7Claims

0Family size

Assignee

Haarmann & Reimer Corporation · DE

Inventors

Horst Surburg · Holzminden, DE
Peter Worner · Holzminden, DE

Key dates

Filing date	Jun 30, 2000
Grant date	Jul 16, 2002
Priority date	—
Expiry date	Jan 25, 2021

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07D307/93
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

2-Alkoxydecahydro-2,3a,4,4,7-pentamethyl-3,7a-methano-7aH-indeno[5,6-b]furans are valuable novel woody fragrances for the preparation of perfume oils.

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