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US Patent 5084292 - Processing for preparing flavorings and perfumes based on one or more carotenoids as starting material
US Patent Issued on January 28, 1992
Estimated Patent Expiration Date:
May 25, 2010Estimated 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.
Estimated Patent Expiration Date:
May 25, 2010Estimated 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.AbstractThe invention provides a process for preparing flavouring and perfume complexes by converting one or more carotenoids like carotenes, xanthophylls etc. into a reaction product with organoleptic properties in the presence of a liquid solvent or liquid suspension medium containing an oxygen-containing gas at a temperature in the 20°-250° C. range under a pressure of not more than 400 bar. The obtained products--optionally after a complete or partial removal of the solvent or suspension medium--may be used for the direct or indirect perfuming and flavouring respectively of materials.Other References
| InventorsAssigneeApplicationNo. 528211 filed on 05/25/1990US Classes:426/533, Reaction flavor per se, or containing reaction flavor improver of unknown or undefined chemical constitution512/1, PERFUME COMPOSITIONS512/5, Animal or plant extract active ingredient512/8Ring containing active ingredientField of Search426/533, Reaction flavor per se, or containing reaction flavor improver of unknown or undefined chemical constitution512/1, PERFUME COMPOSITIONS512/5, Animal or plant extract active ingredient512/8Ring containing active ingredientExaminersPrimary: Golian, JosephAttorney, Agent or FirmUS Patent References2959521, 3988432, Flavor and fragrant compositionsIssued on: 10/26/1976 Inventor: Steltenkamp4351346Process for the preparation of aromatic substances Issued on: 09/28/1982 Inventor: Brummer , et al. Foreign Patent References
International ClassA23L 001/226Foreign Application Priority Data1989-05-25 NL |
