Patent EP0549900A1 successfully refreshed from Google Patents.
EP0549900A1
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Metallocenes containing benzocondensed indenyl derivatives as ligands, process for their preparation and their use as catalysts
Assignee: Basell Polyolefine GmbH
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Filing: 1992-11-27
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Granted: —
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Expires: 2012-11-27
Abstract
Abstract A very active catalyst system for olefin polymerization consists of a co-catalyst, preferably an aluminoxane, and a metallocene of the formula I <IMAGE> in which preferably M<1> denotes Zr or Hf, R<1> and R<2> denote halogen or alkyl, R<3> denotes alkyl, R<4> to R<10> denote alkyl or hydrogen and R<11> denotes a (subst.) alkylene or hetero atom bridge.
Inventors
- 👤 Jürgen Dr. Rohrmann
- 👤 Volker Dr. Dolle
- 👤 Andreas Dr. Winter
- 👤 Frank Dr. Küber
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-06 15:37
CPC Classifications
C; C07; C07F; C07F17/00; C07F7/00; C07C; C07C49/00; C07C49/587; C07C49/657; C07C49/665; C07C49/675; C08; C08F; C08F10/00; C08F4/00; C08F4/42; C08F4/44; C08F4/60; C08F4/62; C08F4/64; C08F4/659; C08F4/65908; C08F4/65912; C08F4/6592; C08F4/65922; C08F4/65927
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