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. 24, 1984
Filed:
Jan. 18, 1982
Applicant:
Inventors:
Koki Horikoshi, Tokyo, JP;
Ichiro Shibanai, Akasaka, Minato-ku, Tokyo, JP;
Assignees:
Rikagaku Kenkyusho, Wako, JP;
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 / ; 208 / ;
Abstract
Process for the oil extraction from oil sand comprising: mixing oil sand, cyclodextrin and water with one another to prepare a suspension, leaving it to stand or centrifuging it to separate into an oil, a water and a sand layers, and then collecting the oil layer.