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NALCO CANADA INC

Overview
  • Total Patents
    12
About

NALCO CANADA INC has a total of 12 patent applications. Its first patent ever was published in 1991. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets textiles and paper, machines and environmental technology are CIBA SPEC CHEM WATER TREAT LTD, GUANGDONG PAPER INDUSTRIAL RES INSTITUTE and CDM AB.

Patent filings in countries

World map showing NALCO CANADA INCs patent filings in countries
# Country Total Patents
#1 United States 8
#2 Canada 3
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing NALCO CANADA INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chung Daniel K 8
#2 Warrick Stephen B 2
#3 Chan Alexander 2
#4 Pruszynski Przemyslaw 2
#5 Krupay Bordan W 2
#6 Armstrong John R 2
#7 Warrick Steven B 1

Latest patents

Publication Filing date Title
US5810971A Liquid slurry of bentonite
EP0760406A2 Combination of poly (dadmac/acrylamide) and bentonite for deposition control in papermaking processes
US5484834A Liquid slurry of bentonite
US5230808A Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater
US5269908A Ammonium chloride deposit retardation in hydrocarbon streams by addition of inert gas
US5178770A Method of treating bctmp/ctmp wastewater
US5173208A Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater