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. 07, 1992
Filed:
Jul. 31, 1990
Chi-Wen Hung, San Rafael, CA (US);
Bruce E Reynolds, Martinez, CA (US);
Chevron Research and Technology Company, San Francisco, CA (US);
Abstract
A catalyst system is disclosed which is capable of removing calcium from a hydrocarbon feed having at least 1 ppm oil-soluble calcium. It comprises a catalyst layer characterized as a fixed bed of catalyst particles, such fixed bed of catalyst particles may be graded, a high volume percent of their pore volume in the form of macropores above 1000 Angstrom in diameter, or an average meso pore diameter of 100-800 .ANG., low surface area, and low hydrogenation activity, and the inclusion of Group I metals, in particular potassium, on the catalyst base.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile