[12] Patent
[11] Patent No.:GC0011489  
[45] Date of Publishing the Grant of the Patent: 30/Nov /2020                76/2020  
Number of the Decision to Grant the Patent:2020/174554
Date of the Decision to Grant the Patent:03/Nov/2020

[21] Application No.:GC 2017-34257

[22] Filing Date:15/11/2017

[30] Priority:

[33] State [32] Priority date [31] Priority No.
EP
17/11/2016
EP 16199338.1

[72] Inventors:1- DIANA DOTSCH،2- BERND LOTHAR MARCZINKE،3- GERHARDUS MEIER،4- ULF SCHULLER،5- RAINER SATTEL،6- PETER BISSON

[73] Owner: Basell Polyolefine GmbH , Bruehler Strasse 60 50389 Wesseling Germany , Wesseling Germany , Germany

[74] Agent: Abu-Gazaleh Intellectual Property L.L.C

  

 

  

[51]IPC:
Int. Cl.: C08F 2/00; C08L 23/06 (2006.01)

[56] Cited Documents:

-EP 2 818 509 Al (BAS ELL POLYOLEFI NE GMBH
[DE]) 31 December 2014
-US 2014/243475 Al (MAVRIDIS HARI LAOS [US]
ET AL) 28 August 2014
-EP 2 818 508 Al (BAS ELL POLYOLEFI NE GMBH
[DE]) 31 December 2014
-WO 2016/075165 Al (TOTAL RES & TECHNOLOGY
FELUY [BE]) 19 May 2016
 
Examiner: Nouf AlNassban

[54] POLYETHYLENE COMPOSITION HAVING HIGH SWELL RATIO
[57] Abstract: A polyethylene composition particularly suited for producing blow-molded hollow articles, having the following features: 1) density from 0.940 to 0.955 g/cm3, determined according to ISO 1183 at 23°C;2) ratio MIF/MIP from 12 to 30;3) Mz from 2,000,000 to 4,500,000 g/mol;4) ?0.02 from 160,000 to 300,000 Pa.s;5) long-chain branching index, LCBI, equal to or greater than 0.75. Fig.1
No. of claims: 10     No. of figures: 1


 

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