Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Michael Hoppach0
Frank-Olaf Mähling0
Gernot Köhler0
Lars Wittkowski0
Andreas Deckers0
Axel Schmitz0
Date of Patent
May 4, 2010
0Patent Application Number
104507740
Date Filed
December 12, 2001
0Patent Primary Examiner
Patent abstract
A process for preparing ethylene homopolymers and copolymers in a tubular reactor having two or more polymerization zones at temperatures of between 150° C. and 350° C. and pressures in the range from 500 to 5000 bar, using oxygen as initiator, which comprises using, as molar mass regulator, one or more aliphatic ketones of the formula I,
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