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:
Mar. 10, 1981
Filed:
Jun. 22, 1979
Applicant:
Inventors:
Assignee:
Kyoshin Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208 / ; 208 / ;
Abstract
A process for the production of oil from oil sand includes adding cyclodextrin or a starch decomposition product containing cyclodextrin to oil sand to convert petroleum in the oil sand to an inclusion compound and separating and collecting petroleum alone from the inclusion compound.