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:
Aug. 24, 2021
Filed:
Jan. 08, 2020
Saudi Arabian Oil Company, Dhahran, SA;
Jgc Catalysts and Chemicals Ltd., Kawasaki Kanagawa, JP;
Japan Cooperation Center, Petroleum, Tokyo, JP;
Omer Refa Koseoglu, Dhahran, SA;
Mitsunori Watabe, Kawasaki, JP;
Tomoyasu Kagawa, Kawasaki, JP;
Koji Uchida, Kawasaki, JP;
Saudi Arabian Oil Company, Dhahran, SA;
JGC Catalysts and Chemicals Ltd., Kawasaki Kanagawa, JP;
Japan Cooperation Center, Petroleum, Tokyo, JP;
Abstract
A process is provided for improving cold flow properties of distillates, the process comprises the step of contacting a hydrocarbon feedstock with a framework-substituted ultra-stable Y (USY)-type zeolite in which a portion of aluminum atoms constituting a zeolite framework thereof is substituted with zirconium atoms and/or titanium and/or hafnium atoms, thereby producing a dewaxed distillate product.