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:
Sep. 22, 1992
Filed:
Jun. 06, 1991
Frank King, Middlesbrough, GB;
Martin E Fakley, Stockton-on-Tees, GB;
Imperial Chemical Industries PLC, London, GB;
Abstract
A catalytic hydrogenation process comprising contacting a catalyst effective to promote a hydrogenation reaction with a feed stream comprising gaseous hydrogen and an unsaturated hydrocarbon thereby hydrogenating at least some of said unsaturated hydrocarbon, said catalyst being prepared from a precursor comprising a calcium aluminate cement and at least one oxide of a metal selected from nickel and cobalt by reduction of said metal oxide, and wherein said precursor contains 10 to 70% by weight of said metal oxide (expressed as the divalent oxide, MO) and has a porosity in the range 25 to 50%, in which at least 30% of the pore volume is in the form of pores of size in the range 15 to 35 nm and less than 40% of the pore volume is in the form of pores of diameter greater than 35 nm.