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. 28, 2010
Filed:
Dec. 09, 2003
Wolfgang Rohde, Speyer, DE;
Guido Funk, Worms, DE;
Andreas Haufe, Ludwigshafen, DE;
Anke Bold, Dirmstein, DE;
Neil Nadalin, Kelkheim-Ruppertshain, DE;
Wolfgang Rohde, Speyer, DE;
Guido Funk, Worms, DE;
Andreas Haufe, Ludwigshafen, DE;
Anke Bold, Dirmstein, DE;
Neil Nadalin, Kelkheim-Ruppertshain, DE;
Basell Polyolefine GmbH, Wesseling, DE;
Abstract
A process for preparing supported, titanized chromium catalysts is disclosed. The process comprises A) bringing a support material into contact with a protic medium comprising a titanium compound and a chromium compound; B) optionally removing the solvent; C) optionally calcining the precatalyst obtained after step B); and D) optionally activating the precatalyst obtained after step B) or C) in an oxygen-containing atmosphere at from 400° C. to 1100° C.