Patent · US Expired

Process for the removal of terpenes from essential oils

US5061502A · kind A · utility

12Cited by

3References

12Claims

0Family size

Assignee

SKW Trostberg Aktiengesellschaft · DE

Inventors

Jan Cully · Garching bei München, DE
Erwin Schutz · Palling, DE
Heinz-Rudiger Vollbrecht · Cham, DE

Key dates

Filing date	Oct 11, 1989
Grant date	Oct 29, 1991
Priority date	—
Expiry date	Oct 11, 2009

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC11B9/022
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Terpenes are removed from essential oils by PA1 (a) contacting terpene-containing essential oils with a polar solid (adsorbent); PA1 (b) separating the loaded adsorbent from the liquid phase enriched with terpenes; and PA1 (c) subjecting the adsorbent loaded with essential oils to an extraction with compressed carbon dioxide.

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