Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Uwe Stueven0
Francisco Javier Lopez Villanueva0
Karin Flore0
Marco Krüger0
Michael A. Mitchell0
Norbert Herfert0
Rainer Dobrawa0
Stefan Blei0
...
Date of Patent
July 7, 2015
0Patent Application Number
138705990
Date Filed
April 25, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention relates to a process for producing water-absorbent polymer particles by polymerizing droplets of a monomer solution in a surrounding heated gas phase and flowing the gas cocurrent through the polymerization chamber, wherein the temperature of the gas leaving the polymerization chamber is 130° C. or less, the gas velocity inside the polymerization chamber is at least 0.5 m/s, and the droplets are generated by using a droplet plate having a multitude of bores.
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