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:
May. 29, 2012
Filed:
Jun. 03, 2008
Applicant:
Bertrand Barbero, Le Havre, FR;
Inventor:
Bertrand Barbero, Le Havre, FR;
Assignee:
Total Petrochemicals France, Paris la Defense Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 19/00 (2006.01); C08F 2/00 (2006.01); C08F 210/00 (2006.01); C08F 110/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method of operating a high pressure ethylene polymerization unit comprising a tubular reactor, the method characterized in that the electrical conductivity of the aqueous cooling medium is monitored in at least one location. Furthermore, the invention also covers a high pressure ethylene polymerization unit comprising a tubular reactor, the unit characterized in that one or more cooling circuits comprise an electrical conductivity meter. The use of such a polymerization unit is also disclosed.