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. 06, 1990
Filed:
Mar. 16, 1989
Applicant:
Inventors:
William J Lechnick, Bensalem, PA (US);
Richard A Stone, Yorkville, IL (US);
Assignee:
Amoco Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
C10G / ;
U.S. Cl.
CPC ...
208390 ; 208391 ;
Abstract
A process for removing fines from a tar sands extract is provided. The tar sands extract is contacted with a specific solvent to form agglomerates and a substantial portion of the agglomerates are separated from the balance of the extract prior to any substantial attrition of the agglomerates.
Lechnick, William. (1990). Tar sands extract fines removal process (U.S. Patent No. 4906355). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4906355
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile