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:
Mar. 29, 2005
Filed:
Mar. 03, 2004
Applicants:
Francesco Casagrande, Novara, IT;
Carlo Orsenigo, Milan, IT;
Inventors:
Francesco Casagrande, Novara, IT;
Carlo Orsenigo, Milan, IT;
Assignee:
Sud Chemie MT S.R.I., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J027/122 ; B01J027/138 ; B01J023/02 ; C07C017/15 ; C07C017/152 ;
U.S. Cl.
CPC ...
Abstract
Catalysts for oxychlorination of ethylene to 1,2-dichloroethane, comprising compounds of copper and magnesium supported on alumina, in which the copper, expressed as metal, is present in an amount of 7 to 12% by weight and the Mg/Cu ratio is 0.05 to 1, and wherein the ratio between the concentration of copper provided by the Al/Cu ratio at the surface and that provided by the Al/Cu ratio in the entire particle of the catalyst is from 0.8 to 1.3.