Inventor

RAO QING LONG

CN6 patents

⚠️ This page may combine multiple inventors who share the name “RAO QING LONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZHAO YULIN

3 patents

US8882964B2Nov 11, 2014

Furnish pretreatment to improve paper strength aid performance in papermaking

ZHAO YULIN17 citations91

US8465623B2Jun 18, 2013

Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking

ZHAO YULIN26 citations91

US8709208B2Apr 29, 2014

Method to increase dewatering, sheet wet web strength and wet strength in papermaking

ZHAO YULIN10 citations82

CHENG WEIGUO

1 patent

US8088250B2Jan 3, 2012

Method of increasing filler content in papermaking

CHENG WEIGUO15 citations91

NALCO CO

1 patent

US9487916B2Nov 8, 2016

Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking

NALCO CO5 citations81

ECOLAB USA INC

1 patent

US10145067B2Dec 4, 2018

Method of improving dewatering efficiency, increasing sheet wet web strength, increasing sheet wet strength and enhancing filler retention in papermaking

ECOLAB USA INC1 citations60