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:
Nov. 19, 1985
Filed:
Aug. 02, 1983
Klaus Weber, Hamburg, DE;
Extraktionstechnik Gesellschaft Fur Anlagenbau mbH, Hamburg, DE;
Abstract
Continuous extraction of particulate solid material, particularly vegetable or animal raw material, with a highly compressed gas as a solvent includes forming a suspension by mixing a solid material with a liquefied gas in a suspension container under pressure which is lower than an extraction pressure, compressing the suspension to an extraction pressure greater than 10 bar and bringing to an extraction temperature, supplying the suspension into an extraction container which is supplied with fresh solvent in a counterstream to the solid material and from which an extract rich solution is withdrawn and thereafter the extracted solid material suspended in the liquefied gas is withdrawn from the extraction container, and continuously separating the withdrawn extract-poor solid material from the gas and discharging the same.