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. 15, 2011
Filed:
Sep. 14, 2007
Bob Gerardus Oogjen, Almere, NL;
Harmannus Willem Homan Free, Hoevelaken, NL;
Johannes Cornelis Sitters, Amersfoort, NL;
Bob Gerardus Oogjen, Almere, NL;
Harmannus Willem Homan Free, Hoevelaken, NL;
Johannes Cornelis Sitters, Amersfoort, NL;
Albemarle Netherlands B.V., Amsterdam, NL;
Abstract
The invention relates to a process for recovering Group VIB metals from a catalyst, in particular a spent bulk catalyst, comprising one or more Group VIB metals and one or more Group VIII metals. Further, the invention relates to a solid Group VIB metal compound obtainable by the process according to the invention having the general formula HXO, wherein X=WMo, wherein y is between 0 and 1 and to its use in a process for the manufacture of a fresh catalyst. The process comprises the steps of: