KRONOS INTERNATIONAL, INC.

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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 1813
 
  
 
C01G COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F 1029
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 6103
 
  
 
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 488
 
  
 
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 434
 
  
 
D06N WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR 311
 
  
 
E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE317
 
  
 
B01D SEPARATION 2132
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
B82Y SPECIFIC USES OR APPLICATIONS OF NANO-STRUCTURES; MEASUREMENT OR ANALYSIS OF NANO-STRUCTURES; MANUFACTURE  OR TREATMENT OF NANO-STRUCTURES251

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0157,541 Method and Apparatus for Improved Solid-Liquid Filtration of Filter CakesNov 28, 16Jun 08, 17[B01D]
2016/0264,786 Aluminiumhydroxide-Containing Composite Pigments and Method for ProductionMar 10, 16Sep 15, 16[C09C]
2015/0166,793 Composite Pigments Containing Calcium Phosphate and Method for Their ManufactureDec 08, 14Jun 18, 15[C09C]
2009/0297,852 Method for Coating the Surface of Inorganic Solid Particles, Especially Titanium Dioxide Pigment ParticlesMay 27, 09Dec 03, 09[B05D, C09B, B32B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920182 Method for manufacturing composite particlesDec 09, 14Mar 20, 18[C09C, C08K]
9909011 Method for coating the surface of inorganic solid particles, especially titanium dioxide pigment particlesMay 27, 09Mar 06, 18[C09C]
9738542 Method for the further processing of iron sulfate heptahydrateDec 03, 15Aug 22, 17[C01G]
9637640 Method for coating the surface of inorganic particles, particularly titanium dioxide pigment particlesNov 19, 14May 02, 17[C09C]
9539560 Method for manufacturing a photocatalyst based on titanium dioxide containing carbon or metalAug 06, 15Jan 10, 17[B01J]
9498760 Stable nanoparticulate suspension and method for productionSep 26, 12Nov 22, 16[C03C, B82Y, C09D, B01F]
9296652 Construction material mixture, a method for producing same, and use thereofNov 15, 12Mar 29, 16[C04B, B01J]
9096762 Method for surface treatment of inorganic pigment particlesAug 01, 14Aug 04, 15[B82Y, C09D, C09C, D21H]
8858701 Composite pigments comprising titanium dioxide and carbonate and method for producingJun 28, 13Oct 14, 14[C09D, C09C, D21H]
8845803 Method for the surface treatment of inorganic pigment particlesJun 28, 13Sep 30, 14[C09C, D21H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0137,498 Method for Recovering Hydrochloric Acid from Metal Chloride Solutions with a High Iron Chloride ContentAbandonedJul 09, 15May 19, 16[C01B, C01G]
2013/0074,734 Method for Surface Modification of Titanium Dioxide PigmentAbandonedSep 20, 12Mar 28, 13[C09C]
8323613 Method for manufacturing titanium dioxideExpiredSep 26, 08Dec 04, 12[C04B, C01G]
2012/0270,028 Titanium dioxide photocatalyst containing carbon and method for its productionAbandonedApr 21, 09Oct 25, 12[C09K, C04B, B01J, C08K]
2011/0184,119 Bismuth-Containing Catalytic System for Polymerising PolymersAbandonedJan 24, 11Jul 28, 11[B82Y, B01J, C08L]
2010/0224,480 Method for Photocatalytic Separation from Surfactant-Containing DispersionsAbandonedFeb 17, 10Sep 09, 10[C08F, C08L]
7763110 skin and methods for their manufactureExpiredJan 30, 07Jul 27, 10[E01F, C09C, E04D, C01G, B32B]
2010/0125,117 Surface-Treated Titanium Dioxide Pigments for Plastics and Method for ProductionAbandonedNov 17, 09May 20, 10[B05D, C08K]
2010/0087,310 Heptazine Modified Titanium Dioxide Photocatalyst and Method for Its ManufactureAbandonedSep 30, 09Apr 08, 10[H01M, B01J]
2010/0058,954 Novel Carbon-Modified Photocatalyst Films and Method for Producing SameAbandonedSep 08, 09Mar 11, 10[C23C, C09D]
2009/0148,364 Method for Increasing the Yield When Chlorinating Titaniferous Raw MaterialsAbandonedNov 13, 08Jun 11, 09[C01G]
2008/0282,939 Hydraulic Binder and a Chromate Reducer and Use ThereofAbandonedDec 10, 04Nov 20, 08[C04B, C09D]
2008/0259,315 Composition and Method for Indicating a Certain UV Radiation DoseAbandonedMar 31, 08Oct 23, 08[G01J]
2008/0260,626 Photocatalysts Based on Titanium DioxideAbandonedMar 11, 08Oct 23, 08[B01J, C01G]
2008/0141,905 Method for the Surface Treatment of Solid Particles, Particularly Titanium Dioxide Pigment ParticlesAbandonedNov 16, 07Jun 19, 08[B05D, C04B]
2008/0116,303 Method for Improved Agitator Milling of Solid ParticlesAbandonedNov 06, 07May 22, 08[B02C]
2007/0298,059 Method for Identification and Verification of Products Containing Titanium Dioxide Pigment ParticlesAbandonedJun 04, 07Dec 27, 07[A61K, C09C, B32B]
7288146 Titanium dioxide pigment coated with hollow bodies and method for its manufactureExpiredFeb 23, 07Oct 30, 07[C09C]
7166157 Method for the surface treatment of a titanium dioxide pigmentExpiredAug 08, 03Jan 23, 07[C09C]
7150421 Jet millExpiredNov 12, 03Dec 19, 06[B02C]

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