Process for the preparation of aromatic substances

Patent 4351346 Issued on September 28, 1982. Estimated Expiration Date:

March 5, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Abstract Claims Description Full Text

Patent References

3673066

3687693

Novel oxygenated derivatives of thujopsene Patent #: 3932515
Issued on: 01/13/1976
Inventor: Shaffer , et al.

Inventors

Application

No. 06/240853 filed on 03/05/1981

US Classes:

131/276, Organic compound131/297, Extraction of component, other than moisture, by contact with diverse medium131/298, By organic solvent131/299, With electrical or radiant energy204/157.87, Carboxylic acid or derivative product produced204/157.88, Oxygen other than as part of a carboxylic acid or derivative moiety426/248Treatment with ultraviolet or visible light

Examiners

Primary: Millin, V.

Attorney, Agent or Firm

Arnold, White & Durkee

International Classes

A24B 15/00 (20060101)
A24B 15/26 (20060101)

Foreign Application Priority Data

1980-03-08 DE

Abstract

Aromatic substances to be applied to tobacco to improve aroma characteristics are prepared by exposing an alcoholic extract, which contains carotenoids and may additionally contain diterpenes and has been isolated from fresh tobacco plants, to ultraviolet light and oxygen. Additionally, aromatic substances may be produced from xanthophyll containing plant extracts by the same method.

Other References

Acidic Aroma Constituents of Turkish Tobacco, 41, Agric. Bioc. Chem., 1021 (1927)
Tobacco Chemistry, 43, Sensitized Photo--Oxygenation of (12Z)--Abienol Biomimetic Synthesis of Tobacco, Labdanoids Acta Chemica Scandinavica, B32 (1978)
Tobacco Chemistry, 48, Synthesis of Tobacco Labdanoids by Sensitized Photo oxygenation of (12E)--Abienol, Acta Chemica Scandinavica, B33 (1979)
Agric. Biol. Chem., 44(3), 705-706, 1980