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:
Jul. 26, 1994
Filed:
Mar. 22, 1993
Thomas E Nappier, Parma, OH (US);
Michele A Glink, Vienna, OH (US);
OM Group, Inc. (Mooney Chemicals, Inc.), Cleveland, OH (US);
Abstract
A stabilized aqueous solution for use in preparing catalysts is described which comprises water, at least one Group VIB element, at least one Group VIII element, an inorganic phosphorus-containing acid, and an amount of a reducing agent effective to dissolve the Group VIB and Group VIII elements and stabilize the solution. Examples of useful reducing agents include hydrazine compounds and hydroxylamine compounds. A method of preparing catalysts utilizing the stabilized aqueous solutions also is described and comprises
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