P

Inventor

HARRINGTON JOHN C

US9 patents
⚠️ This page may combine multiple inventors who share the name “HARRINGTON JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HERCULES INC

4 patents
US7250448B2Jul 31, 2007

Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions

HERCULES INC22 citations89
US7615135B2Nov 10, 2009

Retention and drainage aids

HERCULES INC26 citations86
US7507781B2Mar 24, 2009

Anionic copolymers prepared in an inverse emulsion matrix

HERCULES INC11 citations80
US7429625B2Sep 30, 2008

Inversion of inverse emulsion polymers

HERCULES INC16 citations78

SOLENIS TECH LP

2 patents
US9873982B2Jan 23, 2018

Method of increasing drainage performance of a pulp slurry during manufacture of paper products, and products therefrom

SOLENIS TECH LP3 citations71
US10876254B2Dec 29, 2020

Chemical efficiency increase in papermaking process

SOLENIS TECH LP3 citations66

HARRINGTON JOHN C

1 patent
USD256963SSep 23, 1980

Clip on pen and pencil holder

HARRINGTON JOHN C27 citations77

BETZ LABORATORIES

1 patent
US5387318AFeb 7, 1995

Water soluble graft copolymers for laser print deinking loop clarification

BETZ LABORATORIES17 citations73

SUTMAN FRANK J

1 patent
US8932433B2Jan 13, 2015

Retention and drainage in the manufacture of paper

SUTMAN FRANK J0 citations39