Karl J. Possemiers,Thomas Pfeiffer,Matthias Weismantel,Rüdiger Funk,Monte Peterson,Sven Serneels,Jeffrey Johnson,Ronny De Kaey
申请号：
US14779990
公开号：
US09550213B2
申请日:
2014.03.18
申请国别(地区):
US
年份:
2017
代理人:
摘要：
A process for classifying water-absorbing polymer particles, wherein screens having different mesh sizes are used before and after surface postcrosslinking to remove the undersize (fines).
