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Inventor

CASTRO DAVID J

US18 patents
⚠️ This page may combine multiple inventors who share the name “CASTRO DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ECOLAB USA INC

13 patents
US8852400B2Oct 7, 2014

Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer

ECOLAB USA INC17 citations92
US9624623B2Apr 18, 2017

Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer or copolymer

ECOLAB USA INC6 citations84
US9034145B2May 19, 2015

Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention, wet strength, and dry strength in papermaking process

ECOLAB USA INC17 citations83
US10227731B2Mar 12, 2019

Emulsification of alkenyl succinic anhydride with an amine-containing homopolymer of copolymer

ECOLAB USA INC1 citations73
US9840810B2Dec 12, 2017

Method of increasing paper bulk strength by using a diallylamine acrylamide copolymer in a size press formulation containing starch

ECOLAB USA INC4 citations72
US9702086B2Jul 11, 2017

Method of increasing paper strength using an amine containing polymer composition

ECOLAB USA INC2 citations72
US11982055B2May 14, 2024

Creping adhesives and processes for making and using same

ECOLAB USA INC2 citations71
US11427738B2Aug 30, 2022

Use of boronic acid-functionalized polymers as yankee coating adhesives

ECOLAB USA INC0 citations59
US10132040B2Nov 20, 2018

Use of nanocrystaline cellulose and polymer grafted nanocrystaline cellulose for increasing retention in papermaking process

ECOLAB USA INC1 citations51
US9611589B2Apr 4, 2017

Method of increasing paper surface strength by using polyaluminum chloride in a size press formulation containing starch

ECOLAB USA INC0 citations50
US9365979B2Jun 14, 2016

Method of increasing paper surface strength by using polyaluminum chloride in a size press formulation containing starch

ECOLAB USA INC1 citations50
US10731063B2Aug 4, 2020

Use of boronic acid-functionalized polymers as Yankee coating adhesives

ECOLAB USA INC0 citations48
US12203220B2Jan 21, 2025

Formulation for size press applications

ECOLAB USA INC0 citations46

NALCO CO

3 patents

CASTRO DAVID J

1 patent

FURMAN JR GARY S

1 patent