Back to results
US 4,359,059 AGranted
Process for the preparation of aromatic substances
AssigneeB.A.T. Cigaretten-Fabriken GmbH
InventorsUrsula Brummer, Volker Heemann
Life of this patent
Estimating the term…
Abstract
Aromatic substances to be applied to tobacco to improve aroma characteristics are prepared by exposing an alcoholic extract, which contains diterpenes and has been isolated from the surface resin of fresh tobacco plants, parts or from gum originating from tobacco flowers, to ultraviolet light and oxygen.
Claims8
A process for the preparation of aromatic substances from a diterpene containing alcoholic extract from tobacco plant material, which comprises exposing said extract to a source of oxygen and a source of ultraviolet light in the absence of sensitizers.
Dependencies are inferred from the claim text.