TRONOX LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C09C TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES 1416
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 831
 
  
 
B01D SEPARATION 6128
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 597
 
  
 
C08G MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS 4116
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 4150
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 3106
 
  
 
C02F TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE 253
 
  
 
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 290
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 233

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9902800 Polymer, polymer modified titanium dioxide pigment, and method of forming a pigmented paint formulationJun 19, 17Feb 27, 18[C08G, C09D, C08K]
9745405 Polymer, polymer modified titanium dioxide pigment, and method of forming a pigmented paint formulationApr 20, 15Aug 29, 17[C08G, C08K]
9422177 Removal of organic impurities from waterOct 03, 14Aug 23, 16[F16L, G01M, C02F]
9353266 Process for manufacturing titanium dioxide pigments using ultrasonicationMar 12, 14May 31, 16[C09C]
9315615 Titanium dioxide pigment and manufacturing methodMar 15, 13Apr 19, 16[C08G, C09D, C09C, C08K]
8951607 Making co-precipitated mixed oxide-treated titanium dioxide pigmentsMay 03, 07Feb 10, 15[B05D, C09C, B01J]
8840719 Titanium dioxide pigments and manufacturing methodMar 09, 11Sep 23, 14[C09C]
8691167 Process for controlling carbonyl sulfide produced during chlorination of oresJul 19, 12Apr 08, 14[C01G, B01D]
8663518 Methods of producing a titanium dioxide pigment and improving the processability of titanium dioxide pigment particlesDec 27, 11Mar 04, 14[B29B]
8387901 Jet for use in a jet mill micronizerDec 14, 06Mar 05, 13[B05B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8215825 Fluid mixing apparatus and methodExpiredMay 20, 05Jul 10, 12[B01F]
2008/0274,040 Injector assembly, chemical reactor and chemical processAbandonedMay 03, 07Nov 06, 08[B01L, B01J, C01G]
2008/0110,373 Process for manufacturing titanium dioxide pigmentAbandonedNov 08, 07May 15, 08[C09C]
2008/0069,764 Process for making pigmentary titanium dioxideAbandonedSep 18, 06Mar 20, 08[C01G]
2008/0053,336 Aqueous coating compositions with improved tint strength and gloss properties, comprising pigments surface-treated with certain organosilicon compoundsAbandonedSep 06, 06Mar 06, 08[C04B, C09C]
2008/0022,900 Process for manufacturing titanium dioxide pigmentAbandonedJul 25, 06Jan 31, 08[C09C]
2007/0137,526 Method for making high tint strength pigment compositionsAbandonedDec 19, 05Jun 21, 07[C09C, C01G, C08K]
2007/0072,783 Scour medium for titanium dioxide productionAbandonedSep 26, 05Mar 29, 07[C09D]
2007/0066,715 Process for manufacturing nonpolar thermoplastic materials containing inorganic particulatesAbandonedSep 19, 05Mar 22, 07[C08K]
2007/0066,716 Nonpolar thermoplastic compositions including inorganic particulatesAbandonedSep 19, 05Mar 22, 07[C08K]
7150416 Liquid fuel injectionExpiredApr 09, 04Dec 19, 06[F02M]
6981666 Titanium dioxide slurriesExpiredJul 07, 03Jan 03, 06[B02B]
6851896 Fluid barriersExpiredSep 18, 03Feb 08, 05[B65G]
6843282 Densification of aerated powders using positive pressureExpiredMar 17, 04Jan 18, 05[B65B]
6752858 Circumferential air knife and applicationsExpiredDec 13, 02Jun 22, 04[B01D]
6699317 Titanium dioxide slurriesExpiredMar 27, 03Mar 02, 04[C09C]
6638401 High discharge capacity electrolytic manganese dioxide and methods of producing the sameExpiredJul 06, 00Oct 28, 03[H01M]
5204083 Process for preparing titanium dioxideExpiredMay 23, 88Apr 20, 93[C01G]
5055512 Ultraviolet light stable polymeric compositionsExpiredJun 01, 90Oct 08, 91[C08K]
4987164 Ultraviolet light stable polymeric compositionsExpiredMay 04, 89Jan 22, 91[C08K]

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