US Patent 9073040 Water-absorbent polymer particles
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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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Patent Inventor Names
Francisco Javier Lopez Villanueva0
Karin Flore0
Marco Krüger0
Michael A. Mitchell0
Norbert Herfert0
Rainer Dobrawa0
Stefan Blei0
Thomas Daniel0
Uwe Stueven0
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US Patent 09073040 Water-absorbent polymer particles US Patent 9073040 Water-absorbent polymer particles
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Patent Number
090730400
Patent Number
90730400
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Patent Jurisdiction
Patent Number
090730400
Date of Patent
July 7, 2015
0Patent Application Number
138705990
Date Filed
April 25, 2013
0Official Website
Patent Primary Examiner
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US Patent 09073040 Water-absorbent polymer particles
Infobox
Is a
Patent jurisdiction
Patent number
09073040
Date of patent
July 7, 2015
Patent application number
13870599
Date Filed
April 25, 2013
Patent primary examiner
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