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EP0135834A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Preparation process for polypropylen molding

Assignee: Hoechst AG
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Filing: 1984-08-29
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Granted: —
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Expires: 2004-08-29
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Abstract

Abstract Translated from German Eine Polypropylen-Formmasse mit guter Härte und Kälteschlagzähigkeit entsteht durch zweistufige Polymerisation von Propylen und Ethylen in flüssigem Propylen in Gegenwart eines speziellen Trägerkatalysators. A polypropylene molding compound with good hardness and low-temperature impact strength is created by two-stage polymerization of propylene and ethylene in liquid propylene in the presence of a special supported catalyst.

Inventors

  • 👤 Bernhard Dr. Dorrer
  • 👤 Helmut Dr. Strametz

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 08:10
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/02; C08L23/10; C08L23/12; C08F; C08F297/00; C08F297/06; C08F297/08; C08F297/083; C08L23/14; C08L23/142; C08L2205/00; C08L2205/02; C08L2308/00

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