Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking | Patent Number 08465623
US 08465623 B2Filled DateOct 13, 2011
Priority DateNov 26, 2008
Publication DateMay 3, 2012
Expiration DateNov 25, 2028
Inventor/ApplicantsYulin Zhao
Yulin ZHAO
Weiguo Cheng
Qing Long RAO
Weiguo CHENG
Qing Long Rao
Jun LI
Jun Li
Yulin ZHAO
Weiguo Cheng
Qing Long RAO
Weiguo CHENG
Qing Long Rao
Jun LI
Jun Li
ExaminesHALPERN, MARK
Art Unit1741
Technology Center1700
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