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:
Feb. 01, 2005
Filed:
May. 25, 2001
Applicants:
Eckhard Häffner, Clausthal-Zellerfeld, DE;
Dieter Littmann, Mücke, DE;
Frank-olaf Mähling, Mannheim, DE;
Gernot Köhler, Meckenheim, DE;
Inventors:
Eckhard Häffner, Clausthal-Zellerfeld, DE;
Dieter Littmann, Mücke, DE;
Frank-Olaf Mähling, Mannheim, DE;
Gernot Köhler, Meckenheim, DE;
Assignee:
Basell Polyolefine GmbH, Wesseling, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 206 ;
U.S. Cl.
CPC ...
Abstract
In a process for polymerizing ethylene and, if desired, further monomers in a high-pressure reactor at from 140 to 320° C. and pressures of from 1000 to 4000 bar, but in any case under pressure and temperature conditions under which water displays supercritical behavior, water is introduced continuously or intermittently into the reactor.