[12] Patent
[11] Patent No.:GC0004492  
[45] Date of Publishing the Grant of the Patent: 31/Dec /2016                32/2016  
Number of the Decision to Grant the Patent:2016/88938
Date of the Decision to Grant the Patent:04/Dec/2016

[21] Application No.:GC 2011-18930

[22] Filing Date:27/7/2011

[30] Priority:

[33] State [32] Priority date [31] Priority No.
EP
30/7/2010
10171371.7

[72] Inventors:1- Daan DewachterŲŒ2- Daniel Bekaert

[73] Owner: Total Petrochemicals Research Feluy, Zone Industrielle C, B-7181, Seneffe, Feluy, Belgium

[74] Agent: Saud M. A. Shawwaf Law Office

  

 

  

[51]IPC:
Int. Cl.: B01J 8/00; F16K 25/00, 27/00 (2006.01)

[56] Cited Documents:

-WO 2010/057925 A1 (TOTAL PETROCHEMICALS RES FELUY [BE]; TANGHE RUDI [BE]) 27 May 2010
-US 2006/160964 A1 (GEBHART HERMANN [DE] ET AL) 20 July 2006
 
Examiner: Faisal Abdulla Aljardan

[54] CATALYST METERING DEVICE
[57] Abstract: The invention relates to a catalyst metering device with a valve formed of an iron-based alloy steel hardened to a Rockwell hardness C of at least 60. The device can be used for metering of a catalyst for an ethylene polymerization reaction. The invention further relates to ethylene polymerization wherein the catalyst is metered in a catalyst metering device with a iron-based alloy steel hardened valve, as well as to a ethylene polymerization reactor comprising such a catalyst metering device.
No. of claims: 15     No. of figures: 2


 

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