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:
Jun. 06, 2006
Filed:
Dec. 10, 2004
Ronald Tharappel, Missouri City, TX (US);
Renaud Oreins, Wavre, BE;
William Gauthier, Houston, TX (US);
David Attoe, Houston, TX (US);
Kevin Mcgovern, Houston, TX (US);
Michel Messiaen, Waterloo, BE;
David Rauscher, Angleton, TX (US);
Kai Hortmann, Dilbeek, BE;
Michel Daumerie, Houston, TX (US);
Ronald Tharappel, Missouri City, TX (US);
Renaud Oreins, Wavre, BE;
William Gauthier, Houston, TX (US);
David Attoe, Houston, TX (US);
Kevin McGovern, Houston, TX (US);
Michel Messiaen, Waterloo, BE;
David Rauscher, Angleton, TX (US);
Kai Hortmann, Dilbeek, BE;
Michel Daumerie, Houston, TX (US);
Fina Technology, Inc., Houston, TX (US);
Abstract
The present invention relates to propylene polymerization process in a bulk loop reactor, and particularly to propylene polymerization process for polymerizing commercial quantities of polypropylene in a bulk loop reactor by sequentially introducing Ziegler-Natta and metallocene catalyst systems into the bulk loop reactor.