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:
Jan. 10, 2023
Filed:
Mar. 12, 2019
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 11/02 (2006.01); B01D 37/00 (2006.01);
U.S. Cl.
CPC ...
B01D 11/0288 (2013.01); B01D 11/0296 (2013.01); B01D 37/00 (2013.01);
Abstract
A method of producing an extract of an animal-derived or plant-derived biological material includes: extracting a component in the biological material using liquefied dimethyl ether for the biological material to obtain a liquefied dimethyl ether solution including the component; separating the solution from the biological material; and volatilizing or separating the liquefied dimethyl ether from the solution.