Assignee
KRONOS INT INC
DE·30 granted patents·10 pending applications·109 citations·filing 2003–2024
Top patents by PatentIndex Score
40 records- 0188US7288146B1Titanium dioxide pigment coated with hollow bodies and method for its manufactureKRONOS INT INC·Filed 2007·Granted Oct 30, 2007·22 cites·20 claims
- 0286US7842131B2High opacity TiO2 pigment and production methodKRONOS INT INC·Filed 2007·Granted Nov 30, 2010·18 cites·31 claims
- 0385US7615512B2Titanium dioxide photocatalyst containing carbon and method for its productionKRONOS INT INC·Filed 2005·Granted Nov 10, 2009·14 cites·25 claims
- 0484US10905984B2Method and apparatus for improved solid-liquid filtration of filter cakesKRONOS INT INC·Filed 2016·Granted Feb 2, 2021·7 cites·7 claims
- 0583US7682441B2Weather resistant titanium dioxide pigment and a process for its productionKRONOS INT INC·Filed 2005·Granted Mar 23, 2010·5 cites·23 claims
- 0681US10160862B2Production of titanium dioxide pigment obtainable by the sulfate process with a narrow particle size distributionKRONOS INT INC·Filed 2017·Granted Dec 25, 2018·2 cites·19 claims
- 0781US9096762B2Method for surface treatment of inorganic pigment particlesKRONOS INT INC·Filed 2014·Granted Aug 4, 2015·3 cites·11 claims
- 0881US7524793B2Titanium dioxide photocatalyst containing carbon and method for its productionKRONOS INT INC·Filed 2005·Granted Apr 28, 2009·12 cites·19 claims
- 0977US7988780B2Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufactureKRONOS INT INC·Filed 2010·Granted Aug 2, 2011·2 cites·19 claims
- 1076US10533102B2Preparation of matt paints and printing inksKRONOS INT INC·Filed 2017·Granted Jan 14, 2020·1 cites·38 claims
- 1173US2023416535A1Grinding aid for titanium dioxide particlesKRONOS INT INC·Filed 2023·Application pending·0 cites
- 1272US12577124B2Feedstock composite with carbonaceous material having a tailored densityKRONOS INT INC·Filed 2023·Granted Mar 17, 2026·0 cites·23 claims
- 1369US10392526B2Matting agent and method for obtaining the sameKRONOS INT INC·Filed 2016·Granted Aug 27, 2019·1 cites·36 claims
- 1469US2025122090A1Recycling of components contained in a residue obtained from the chloride processKRONOS INT INC·Filed 2024·Application pending·0 cites
- 1567US12503374B2Recycling of components contained in a residue obtained from the chloride processKRONOS INT INC·Filed 2023·Granted Dec 23, 2025·0 cites·18 claims
- 1666US9962732B2Method for coating the surface of inorganic particles with silicon dioxide and at least one further inorganic compoundKRONOS INT INC·Filed 2015·Granted May 8, 2018·1 cites·15 claims
- 1766US9637640B2Method for coating the surface of inorganic particles, particularly titanium dioxide pigment particlesKRONOS INT INC·Filed 2014·Granted May 2, 2017·2 cites·31 claims
- 1865US7166157B2Method for the surface treatment of a titanium dioxide pigmentKRONOS INT INC·Filed 2003·Granted Jan 23, 2007·11 cites·50 claims
- 1964US2025145487A1Chlorine Recycle Process for Titanium-Bearing Feedstocks with High Iron Contents for the Production of Titanium Tetrachloride Based on the Conversion of Anhydrous Ferrous Chloride to Ferrous Sulfate with concentrated Sulfuric AcidKRONOS INT INC·Filed 2023·Application pending·0 cites
- 2063US2022106488A1Grinding Aid for Titanium Dioxide ParticlesKRONOS INT INC·Filed 2021·Application pending·0 cites
- 2163US2024034638A1Recovery Of Chlorine From Hydrogen Chloride Generated In Carbochlorination ProcessesKRONOS INT INC·Filed 2023·Application pending·0 cites
- 2262US7763110B2Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufactureKRONOS INT INC·Filed 2007·Granted Jul 27, 2010·3 cites·10 claims
- 2362US2023374328A1Post-treated titanium dioxide pigment with at least one security featureKRONOS INT INC·Filed 2023·Application pending·0 cites
- 2460US12595373B2Titanium dioxide pigment with coloring after-treatmentKRONOS INT INC·Filed 2023·Granted Apr 7, 2026·0 cites·20 claims
- 2555US7905953B2Titanium dioxide pigment particles with doped, dense SiO2 skin and methods for their manufactureKRONOS INT INC·Filed 2007·Granted Mar 15, 2011·1 cites·19 claims
- 2655US2023250302A1Color-neutral rutile pigment particleKRONOS INT INC·Filed 2023·Application pending·0 cites
- 2751US11623993B2Laminate pigment with spacing properties and high UV-greying stabilityKRONOS INT INC·Filed 2019·Granted Apr 11, 2023·0 cites·32 claims
- 2851US9920182B2Method for manufacturing composite particlesKRONOS INT INC·Filed 2014·Granted Mar 20, 2018·0 cites·25 claims
- 2950US10738194B2Composite pigments containing calcium phosphate and method for their manufactureKRONOS INT INC·Filed 2014·Granted Aug 11, 2020·0 cites·24 claims
- 3050US6969500B2Method for separating titanium tetrachlorideKRONOS INT INC·Filed 2003·Granted Nov 29, 2005·4 cites·17 claims
- 3145US2014073729A1Infrared-Reflecting Pigment Based on Titanium Dioxide, and a Method for Its ManufactureKRONOS INT INC·Filed 2013·Application pending·0 cites
- 3243US7968077B2Method for manufacturing titanium dioxide by oxidizing of titanium tetrachlorideKRONOS INT INC·Filed 2007·Granted Jun 28, 2011·0 cites·9 claims
- 3338US10662335B2Aluminiumhydroxide-containing composite pigments and method for productionKRONOS INT INC·Filed 2016·Granted May 26, 2020·0 cites·23 claims
- 3438US10487214B2Method for coating the surface of a substrateKRONOS INT INC·Filed 2016·Granted Nov 26, 2019·0 cites·20 claims
- 3536US9539560B2Method for manufacturing a photocatalyst based on titanium dioxide containing carbon or metalKRONOS INT INC·Filed 2015·Granted Jan 10, 2017·0 cites·26 claims
- 3634US11208260B2Bag for powdery bulk materialsKRONOS INT INC·Filed 2017·Granted Dec 28, 2021·0 cites·17 claims
- 3734US10351439B2Production of nanoparticulate titanium dioxideKRONOS INT INC·Filed 2017·Granted Jul 16, 2019·0 cites·26 claims
- 3832US9738542B2Method for the further processing of iron sulfate heptahydrateKRONOS INT INC·Filed 2015·Granted Aug 22, 2017·0 cites·29 claims
- 3931US2018105435A1Recovery of Metal Chlorides from Filter DustKRONOS INT INC·Filed 2016·Application pending·0 cites
- 4019US2016137498A1Method for Recovering Hydrochloric Acid from Metal Chloride Solutions with a High Iron Chloride ContentKRONOS INT INC·Filed 2015·Application pending·0 cites
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