Tioxide Group
30Patents
0Active
30Granted
37Portfolio score
Filing activity: Feb 13, 1974 → Dec 7, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4239548A | Titanium dioxide pigment | Chemistry; Metallurgy | 33 | Expired |
| US4211266A | Flexible container with discharge tube | Emerging Cross-Sectional Technologies | 30 | Expired |
| US4012338A | Process for manufacturing a carrier of titanium dioxide | Chemistry; Metallurgy | 28 | Expired |
| US4113757A | Titanium compounds | Chemistry; Metallurgy | 27 | Expired |
| US4446031A | Sewage treatment composition its manufacture and use | Emerging Cross-Sectional Technologies | 25 | Expired |
| US4052223A | Treatment of pigment | Chemistry; Metallurgy | 17 | Expired |
| US4128409A | Chlorine recovery process | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4280849A | Aqueous dispersions | Chemistry; Metallurgy | 14 | Expired |
| US4053577A | Process for the gaseous phase production of metal oxide particles | Chemistry; Metallurgy | 13 | Expired |
| US4004935A | Glazing compositions for ceramic articles | Chemistry; Metallurgy | 12 | Expired |
| US4052224A | Treatment of pigment | Chemistry; Metallurgy | 12 | Expired |
| US4985469A | Polymeric particles and their preparation | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4012201A | Reactor | Performing Operations; Transporting | 10 | Expired |
| US4279512A | Method of measurement | Physics | 10 | Expired |
| US4052900A | Transducers | Physics | 7 | Expired |
| US4052222A | Treatment of pigment | Chemistry; Metallurgy | 7 | Expired |
| US4228038A | Method for the preparation of catalyst of vanadium pentoxide on substrate of titanium dioxide | Chemistry; Metallurgy | 7 | Expired |
| US4076413A | Apparatus and method for producing colored reproductions of black and white negatives | Physics | 6 | Expired |
| US4316821A | Method for the production of catalysts | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4013782A | Process for the oxidation of a metal halidein the vapor phase | Chemistry; Metallurgy | 5 | Expired |
| US4006080A | Process for the treatment of acidic waste liquid containing dissolved salts | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4208393A | Purification process | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4363888A | Bead polymerization process | Chemistry; Metallurgy | 4 | Expired |
| US4238370A | Oxidation catalyst and method for its manufacture | Performing Operations; Transporting | 4 | Expired |
| US4112035A | Production of calcinable material | Chemistry; Metallurgy | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.