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:
Feb. 17, 1998
Filed:
Apr. 17, 1996
Arend Jan Te Raa, Klundert, NL;
Shell Oil Company, Houston, TX (US);
Abstract
A process for the catalytic vapor-phase oxidation of ethylene with a molecular oxygen-containing gas, in a reactor comprising a multitude of reaction tubes containing a supported silver catalyst and surrounded by a heat-exchange fluid which enters the reactor in liquid form and leaves the reactor in vapor form, characterized in that between 5 and 100 wt % of the liquid heat-exchange fluid is introduced to the reactor at its downstream end, at a temperature which is at least 20.degree. C. below the temperature of the heat-exchange fluid on leaving the reactor.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile