ONDEO NALCO COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 2926
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 1226
 
  
 
C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 10115
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 7199
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 615
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 5111
 
  
 
B01D SEPARATION 4130
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 365
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 333
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 2118

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8668779 Method of simultaneously cleaning and disinfecting industrial water systemsApr 30, 02Mar 11, 14[B08B]
6638983 Demulsification of water-in-oil emulsionsFeb 04, 99Oct 28, 03[C08G, C10G, C08L, B01D]
6246201 Electronic cam control systemFeb 24, 00Jun 12, 01[G05B]
5840158 Colloidal silica/polyelectrolyte blends for pulp and paper applicationsApr 07, 97Nov 24, 98[D21H]
5658467 Method and composition for inhibiting growth of microorganisms including peracetic acid and a non-oxidizing biocideNov 15, 95Aug 19, 97[C02F]
5659002 Modified tannin mannich polymersMar 24, 95Aug 19, 97[C08G, C02F]
5635112 Hydrophobically-modified demulsifiers for oil-in-water systemsJul 26, 95Jun 03, 97[C02F, B01D]
5597858 Hydrophobically associating dispersants used in forming polymer dispersionsMar 22, 95Jan 28, 97[C08L]
5593850 Monitoring of industrial water quality using monoclonal antibodies to polymersOct 04, 93Jan 14, 97[G01N]
5552498 Preparation of amphoteric acrylic acid copolymers suitable as oil-in-water emulsion breakersDec 05, 95Sep 03, 96[C08F]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0151,702 Method of improving the removal of investment casting shellsAbandonedJan 07, 03Jul 05, 07[B22D, B22C]
2006/0157,090 Method of monitoring membrane cleaning processesAbandonedMar 16, 06Jul 20, 06[B08B]
2005/0154,180 Water-soluble polyaminoamides as sunscreen agentsAbandonedSep 04, 03Jul 14, 05[C08G]
2005/0025,660 Method of tracing corrosive materialsAbandonedJul 31, 03Feb 03, 05[C23F]
2005/0008,532 Method of inhibiting corrosion of copper plated or metallized surfaces and circuitry during semiconductor manufacturing processesAbandonedJul 11, 03Jan 13, 05[G05B]
2005/0004,236 Method of preparing agglomerated silicaAbandonedJul 01, 03Jan 06, 05[C01B, B32B]
2004/0200,588 Method of controlling microorganisms in hydrogen peroxide pulp bleaching processesAbandonedApr 10, 03Oct 14, 04[D21H, D21C]
2004/0024,544 Method of reducing energy waste by monitoring steam trapsAbandonedJul 31, 02Feb 05, 04[G06F, G01B]
2003/0182,850 Energy integrated farm operation with recovery of animal feed from food wasteAbandonedMar 28, 02Oct 02, 03[C10L]
2003/0173,302 Method of controlling deposit formation in aqueous systemsAbandonedMar 13, 02Sep 18, 03[C02F]
2003/0065,041 Stable colloidal silica aquasolsAbandonedSep 23, 02Apr 03, 03[B01F]
6524435 Method and composition for dispersing hydrophobic particles in aqueous suspensionsExpiredMay 08, 00Feb 25, 03[C08L, D21C]
2003/0027,964 High molecular weight polymers containing pendant salicylic acid groupsAbandonedJan 29, 01Feb 06, 03[C08F]
2002/0179,538 Polyamphoteric polymers for raw water treatmentAbandonedMar 23, 01Dec 05, 02[C02F]
2002/0183,235 Polymer cleaner formulationAbandonedMar 26, 01Dec 05, 02[C11D]
6472219 Use of tracers to monitor application of treatment products to cut flowersExpiredAug 31, 00Oct 29, 02[G01N]
2002/0144,951 Modification of soy flour proteins for producing coagulants in papermaking and waste water treatment applicationsAbandonedDec 21, 00Oct 10, 02[C02F]
6440476 Method to improve quality and appearance of leafy vegetables by using stabilized bromineExpiredDec 29, 00Aug 27, 02[A23C]
2002/0114,856 Compositions containing hops extract and their use in water systems and process streams to control biological foulingAbandonedFeb 06, 02Aug 22, 02[A61K]
6423801 Branched polyammonium compounds of high molecular weight and processes for producing said compoundsExpiredFeb 08, 99Jul 23, 02[C08F]

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