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. 07, 1989
Filed:
May. 27, 1987
Applicant:
Inventor:
Percy Hayden, Guisborough, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ;
U.S. Cl.
CPC ...
502347 ; 549534 ;
Abstract
Silver containing catalysts for the oxidation of alkenes to alkylene oxides are produced by impregnating a support with a solution of a silver compound and an organic compound and decomposing the silver compound to silver in the presence of an alkali metal compound. Organic residues are then removed by washing and fresh alkali metal introduced.