COLUMBIAN CHEMICALS COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 498
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 426
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
C01D COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM 114
 
  
 
C09D COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR 191
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7847009 Carbonaceous material with dissociated aggregate size and particle size distribution and improved dispersibilityNov 17, 08Dec 07, 10[C08K]
7241334 Sulfonated carbonaceous materialsAug 28, 02Jul 10, 07[C09D]
7238741 Carbonaceous material with broad aggregate size distribution and improved dispersibilityMay 13, 04Jul 03, 07[C08K]
7167240 Carbon black sampling for particle surface area measurement using laser-induced incandescence and reactor process control based thereonJul 18, 03Jan 23, 07[G01N]
6608132 Carbon black with abrasion and hysteresis advantages comparable to N121 and tear properties comparable to N115Nov 21, 97Aug 19, 03[C09C]
6533859 Surface treated carbon black having improved dispersability in rubber and compositions of rubber therefrom having improved processability, rheological and dynamic mechanical propertiesMay 21, 01Mar 18, 03[C09C, C01D, C08K]
6471933 Ozone-oxidized carbon black composition with low conductivity and improved colorFeb 26, 97Oct 29, 02[C09C]
6189768 Process and apparatus for pressing an external sleeve onto a tube for enhancing weld designMay 27, 99Feb 20, 01[B23K, B21D]
5538261 Mechanical heat-exchange tube sealing systemAug 02, 94Jul 23, 96[F16J]
5494955 Use of silane coupling agent with carbon black to enhance the balance of reinforcement properties of rubber compoundsApr 08, 94Feb 27, 96[C08K]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0032,511 APPARATUS AND PROCESSES FOR PRODUCTION OF COAL DERIVED OIL PRODUCTSAbandonedFeb 22, 12Feb 07, 13[C10G, B01D]
2010/0029,475 Process to Reduce the Pre-Reduction Step for Catalysts for Nanocarbon SynthesisAbandonedMay 21, 07Feb 04, 10[B01J]
7459103 Conducting polymer-grafted carbon material for fuel cell applicationsExpiredFeb 25, 04Dec 02, 08[H01B]
7413683 Sulfonated conducting polymer-grafted carbon material for fuel cell applicationsExpiredMay 23, 03Aug 19, 08[H01B]
7390441 Sulfonated conducting polymer-grafted carbon material for fuel cell applicationsExpiredFeb 25, 04Jun 24, 08[H01B]
2007/0243,397 Chromium(VI)-free, aqueous acidic chromium(III) conversion solutionsAbandonedApr 17, 06Oct 18, 07[C23C, B32B]
7195834 Metallized conducting polymer-grafted carbon material and method for makingExpiredSep 02, 03Mar 27, 07[H01M]
7175930 Conducting polymer-grafted carbon material for fuel cell applicationsExpiredMay 23, 03Feb 13, 07[H01M]
2006/0122,056 Process to retain nano-structure of catalyst particles before carbonaceous nano-materials synthesisAbandonedDec 02, 04Jun 08, 06[B01J]
2006/0068,987 Carbon supported catalyst having reduced water retentionAbandonedMar 30, 05Mar 30, 06[H01M, B01J]
2006/0051,281 Metal carbides and process for producing sameAbandonedSep 09, 04Mar 09, 06[C01B]
2006/0042,957 Ion removal from particulate material using electrodeionization process and devices thereforAbandonedAug 27, 04Mar 02, 06[C02F, B01D]
2006/0034,748 Device for providing improved combustion in a carbon black reactorAbandonedAug 11, 04Feb 16, 06[C09C]
6958308 Deposition of dispersed metal particles onto substrates using supercritical fluidsExpiredMar 16, 04Oct 25, 05[C22B, B05D, H01M, B01J, B32B]
2005/0112,050 Process to reduce the pre-reduction step for catalysts for nanocarbon synthesisAbandonedNov 21, 03May 26, 05[D01C, B01J, D01F]
2005/0063,892 Thermally modified carbon blacks for various type applications and a process for producing sameAbandonedSep 18, 03Mar 24, 05[H01M, C09C]
2005/0063,893 Thermally modified carbon blacks for various type applications and a process for producing sameAbandonedFeb 25, 04Mar 24, 05[C09C]
2005/0042,164 Carbon blacks having improved colloidal and morphological properties, methods for manufacture, and uses thereofAbandonedAug 22, 03Feb 24, 05[C09C]
2005/0025,695 Catalyst and process to produce nanocarbon materials in high yield and at high selectivity at reduced reaction temperaturesAbandonedJul 28, 03Feb 03, 05[D01F]
6830674 Brightener additive and bath for alkaline cyanide-free zinc electroplatingExpiredNov 05, 02Dec 14, 04[C23C, C25D]

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