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 patentsUS8852400B2Oct 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 patentsUS9181657B2Nov 10, 2015
Method of increasing paper strength by using natural gums and dry strength agent in the wet end
NALCO CO6 citations72
US9266301B2Feb 23, 2016
Method to adhere and dislodge crepe paper
NALCO CO2 citations61
US9574119B2Feb 21, 2017
Method of producing creping adhesive
NALCO CO0 citations51