The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 17, 1998
Filed:
Nov. 13, 1995
Applicant:
Inventors:
Assignee:
SKW Trostberg Aktiengesellschaft, Trostberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A23L / ;
U.S. Cl.
CPC ...
426533 ; 426474 ; 426475 ; 426489 ; 426534 ; 426617 ; 426631 ; 426632 ; 426634 ;
Abstract
A process to extract natural aromas from natural substances containing fat and oil with compressed gases, wherein the natural substances are extracted in two steps in which in the first step liquid propane and/or butane at a temperature of .ltoreq.70.degree. C. and at a pressure of <500 bar and in the subsequent second step compressed carbon dioxide at a temperature of .ltoreq.50.degree. C. and at pressures between 70 and 500 bar are used as extraction agents.