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:
Apr. 16, 1985
Filed:
Apr. 27, 1982
Applicant:
Inventors:
Assignee:
SKW Trostberg AG, Trostberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07G / ;
U.S. Cl.
CPC ...
426665 ; 426425 ; 426600 ; 426655 ;
Abstract
A method is described for drying extracts of natural substances obtained by high-pressure extraction with liquefied gases or gases in the supercritical state; it consists in treating the gas stream that is charged with the extract with a solid drying agent, preferably calcium sulfate, in powder or granular form.