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:
Nov. 18, 1980
Filed:
Sep. 12, 1978
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01D / ;
U.S. Cl.
CPC ...
252447 ; 423245 ; 426124 ; 426419 ;
Abstract
A novel adsorbent for ethylene prepared by contacting an active carbon with at least one metal substance selected from the group consisting of copper, iron, cobalt, nickel, and their salts in the presence of nitric acid; heating the same at a temperature of 150.degree. to 900.degree. C. in an atmosphere of inert gas and thereby to obtain the adsorbent containing 0.01 to 20% by weight of said metal(s) therein.