Millennium Inorganic Chemicals, Inc.
55Patents
20Active
55Granted
44Portfolio score
Filing activity: Oct 8, 1997 → Dec 2, 2011 · 18 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6200375A | Titanium dioxide, preparation and use | Chemistry; Metallurgy | 31 | Expired |
| US6569920B1 | Titanium dioxide slurries having improved stability | Chemistry; Metallurgy | 27 | Expired |
| US6214106A | Silane treated inorganic pigments | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6743286B2 | Inorganic particles and methods of making | Textiles; Paper | 23 | Expired |
| US8148295B2 | Catalyst promoters in vanadium-free mobile catalyst | Performing Operations; Transporting | 22 | Active |
| US6342099B1 | Coated titanium dioxide pigments and processes for production and use | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6695906B2 | Continuous processes for producing titanium dioxide pigments | Chemistry; Metallurgy | 18 | Expired |
| US7125536B2 | Nano-structured particles with high thermal stability | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6955703B2 | Process for the production of elemental material and alloys | Chemistry; Metallurgy | 14 | Expired |
| US6646037B1 | Pigments treated with organosulfonic compounds | Chemistry; Metallurgy | 13 | Expired |
| US6620234B1 | Processes for preparing hydrophobic inorganic oxide pigments | Chemistry; Metallurgy | 13 | Expired |
| US7842641B2 | Nanocomposite particle and process of preparing the same | Chemistry; Metallurgy | 12 | Active |
| US7763565B2 | Transparent, stable titanium dioxide sols | Emerging Cross-Sectional Technologies | 12 | Active |
| US6713543B2 | Pigments treated with organo-phosphoric acids and their salts | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6765041B1 | Organo-acid phosphate treated pigments | Emerging Cross-Sectional Technologies | 12 | Expired |
| US6562314B2 | Methods of producing substantially anatase-free titanium dioxide with silicon halide addition | Chemistry; Metallurgy | 12 | Expired |
| US5891237A | Production of free flowing spheres using partially neutralized fatty acid | Chemistry; Metallurgy | 11 | Expired |
| US6902601B2 | Method of making elemental materials and alloys | Chemistry; Metallurgy | 11 | Expired |
| US7820583B2 | Nanocomposite particle and process of preparing the same | Chemistry; Metallurgy | 10 | Active |
| US6387347B1 | Controlled vapor phase oxidation of titanium tetrachloride to manufacture titanium dioxide | Chemistry; Metallurgy | 9 | Expired |
| US6395081B1 | Methods for producing titanium dioxide pigments having improved gloss at low temperatures | Chemistry; Metallurgy | 9 | Expired |
| US7521039B2 | Photocatalytic rutile titanium dioxide | Chemistry; Metallurgy | 8 | Expired |
| US6713038B2 | TiO2 compounds obtained from a high silica content ore | Chemistry; Metallurgy | 8 | Expired |
| US7285162B2 | Titanium dioxide pigment having improved light stability | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6517629B2 | Methods for making low volatile titanium dioxide pigments | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.