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. 20, 2005
Filed:
Apr. 10, 2002
Coordination catalyst systems employing chromium support-agglomerate and method of their preparation
Keng-yu Shih, Columbia, MD (US);
Dean Alexander Denton, Baltimore, MD (US);
Rimantas Glemza, Baltimore, MD (US);
Keng-Yu Shih, Columbia, MD (US);
Dean Alexander Denton, Baltimore, MD (US);
Rimantas Glemza, Baltimore, MD (US);
W. R. Grace & Co.-Conn, Columbia, MD (US);
Abstract
The present invention is directed to a coordinating catalyst system comprising at least one pre-catalyst selected from late transition metal bidentate or tridentate ligand containing compounds, at least one support-agglomerate having chromium immobilized thereto (e.g., spray dried silica/clay agglomerate), and optionally at least one organometallic compound in controlled amounts, and methods for preparing the same. The resulting catalyst system exhibits enhanced activity for polymerizing olefins and yields polymer products having very good morphology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile