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:
Jun. 29, 1993
Filed:
Apr. 22, 1992
Applicant:
Inventors:
Santi Kulprathipanja, Inverness, IL (US);
Kenneth K Kuhnle, St. Charles, IL (US);
Marjorie S Patton, Darien, IL (US);
Assignee:
UOP, Des Plaines, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
585828 ; 585825 ; 585831 ; 585853 ;
Abstract
The separation of durene in high purity from coal tar or petroleum fractions by an adsorptive chromatographic process and liquid phase with lithium-exchanged X zeolite as the adsorbent and liquid aromatic desorbents.
Kulprathipanja, Santi. (1993). Process for separating durene from substituted benzene hydrocarbons (U.S. Patent No. 5223589). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5223589
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile