Patent · US Active

Method and test kit for recreation of an odor

US11078442B2 · kind B2 · utility

0Cited by

7References

17Claims

0Family size

Assignee

SYMRISE AG · DE

Inventors

Edison DIAZ · Goslar, DE
Daniel Kohrs · Holzminden, DE
Katharina Michels · Seesen, DE
Sebastian Buch · Brakel, DE

Key dates

Filing date	Feb 3, 2017
Grant date	Aug 3, 2021
Priority date	—
Expiry date	Feb 3, 2037

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01L2300/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Suggested is a method for the extraction of fragrances from natural starting material consisting of the following steps: (a) providing a sample of the natural starting material in a pressure proof sample container; (b) bringing in the sample in contact with liquefied petroleum gas of propane and/or butane gas, preferably; (c) extracting the fragrances from the natural starting material provided in step (b); (d) venting of the pressure proof sample container, while the liquefied petroleum gas is evaporated and the fragrances is maintained as residue in the container; and optionally (e) dissolving the fragrances in a suitable solvent.

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