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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 8 | |
#2 | Canada | 3 | |
#3 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Textiles and paper | |
#2 | Machines | |
#3 | Environmental technology | |
#4 | Chemical engineering | |
#5 | Basic materials chemistry |
# | Technology | |
---|---|---|
#1 | Paper coating | |
#2 | Water treatment | |
#3 | Unspecified technologies | |
#4 | Separation | |
#5 | Unspecified technologies | |
#6 | Liquid hydrocarbon mixture production | |
#7 | Paper recycling |
# | 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 |
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 |