Matches 1 - 25 out of 25


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US20060133989 Process and device for cooling inorganic pigments  
The present invention provides articles of manufacture and methods for making inorganic pigments. In one embodiment, the present invention provides a method for making titanium dioxide, said...
US20090098041 Multistage Method for Manufacturing Titanium Dioxide  
The manufacture of titanium dioxide by oxidation of titanium tetrachloride in a multistage method, where both oxygen and titanium tetrachloride are added in several stages. In the first stage...
US20050220702 High flow rate gaseous reactant supply  
A gaseous reactant supply apparatus for turning high flow rates of gaseous supply approximately 90 degrees and providing a uniform distribution of gaseous supply. The gaseous supply passes through...
US20080069764 Process for making pigmentary titanium dioxide  
A process is disclosed for making pigmentary titanium dioxide through the oxidation of titanium tetrachloride in the presence of aluminum chloride, in which aluminum chloride solids are sublimed...
US20130058860 Method for Manufacturing Titanium Dioxide  
The manufacture of titanium dioxide by oxidation of titanium tetrachloride in a plug flow reactor, wherein the titanium tetrachloride is introduced into the reactor in at least two stages and is...
US20080187486 Process for producing titanium dioxide particles having reduced chlorides  
This disclosure relates to process for producing titanium dioxide pigment having reduced chlorides, comprising: a) reacting titanium tetrahalide vapor, rutile-forming agent and at least a...
US20080000520 Photovoltaic Device, Manufacturing Method of Titanium Dioxide Particle Used for Making Thereof, and Dye-Sensitized Solar Cell Using Thereof  
The present invention aims to improve short circuit current density and photo-to-electron conversion efficiency without thickening the whole thickness of the device and increasing the number of...
US20110293508 REDUCED ABRASION OF TITANIUM DIOXIDE PIGMENTS PRODUCED FROM THE CHLORIDE PROCESS  
Disclosed herein are pigments comprising mostly rutile TiO2, wherein the mostly rutile TiO2 consists essentially of low abrasion TiO2 particles produced by introducing a metal halide into the...
US20080112880 Fine Particulate Titanium Dioxide, and Production Process and Uses Thereof  
Titanium dioxide having a ratio Dtop/D50 of 1 to 3, between the maximum particle diameter Dtop and the average particle diameter D50, as determined based on observing the primary particles by a...
US20080318046 TITANIUM DIOXIDE HAVING A VARIABLE SINTERING STABILITY  
Provided is a crystalline TiO2 powder in the form of aggregated primary particles having a variable sintering stability at a BET surface area of 70-100 m2/g and a rutile content of greater than...
US20080305363 REDUCED ABRASION OF TITANIUM DIOXIDE PIGMENTS PRODUCED FROM THE CHLORIDE PROCESS  
Disclosed herein are pigments comprising mostly rutile TiO2, wherein the mostly rutile TiO2 consists essentially of low abrasion TiO2 particles produced by introducing a metal halide into the...
US20120058044 PROCESS OF USING AN IMPROVED FLUE IN A TITANIUM DIOXIDE PROCESS  
This disclosure relates to a flue providing improved heat transfer comprising an inner layer and an outer layer, wherein the inner layer comprises a high thermal conductivity ceramic having a...
US20080292539 TITANIUM DIOXIDE HAVING INCREASED SINTERING ACTIVITY  
A crystalline titanium dioxide powder, containing aggregated primary particles, wherein a BET surface area of the aggregated primary particles is from 30 to 65 m2/g, and a rutile content of a sum...
US20050201927 Process for improving raw pigment grindability  
Methods of improving the grindability of raw titanium dioxide produced by high temperature oxidation of titanium tetrachloride comprise quenching the oxidation reaction products with an...
US20080152582 Method for Manufacturing Titanium Dioxide by Oxidizing of Titanium Tetrachloride  
A method for manufacturing titanium dioxide by reacting titanium tetrachloride with an oxygen-bearing gas in a tubular reactor and subsequently cooling the titanium dioxide particle/gas mixture in...
US20120219494 PROCESS FOR IN-SITU FORMATION OF CHLORIDES OF SILICON, ALUMINUM AND TITANIUM IN THE PREPARATION OF TIATANIUM DIOXIDE  
This disclosure relates to a process for producing titanium dioxide, comprising: reacting aluminum and an alloy comprising silicon and titanium having a silicon content of at least 5%, based on...
US20100215569 Multi-Stage Method for Manufacturing Titanium Dioxide  
The invention relates to manufacturing titanium dioxide by oxidising titanium tetrachloride by a multi-stage method, where liquid titanium tetrachloride is used in a first and gaseous titanium...
US20080075654 Titanium dioxide process  
A process for producing titanium dioxide is disclosed. The process is cooled with liquid titanium tetrachloride in a gas-phase reaction. This enables good temperature control of the exothermic...
US20080267852 Process for Preparing Pulverulent Solids  
Process for preparing pulverulent solids, in which one or more oxidizable and/or hydrolysable metal compounds are reacted in a high-temperature zone in the presence of oxygen and/or steam, the...
US20090098042 Method for Manufacturing Titanium Dioxide  
The manufacture of titanium dioxide by oxidation of titanium tetrachloride in a plug flow reactor, wherein the titanium tetrachloride is introduced into the reactor in at least two stages and is...
US20080260627 Methods of Controlling the Particle of Titanium Dioxide Produced by the Chloride Process  
A process for manufacturing titanium dioxide by the chloride process is provided. In one embodiment, a particle size control agent comprising an ionizing agent such as potassium chloride is...
US20100150819 TITANIUM DIOXIDE HAVING INCREASED SINTERING ACTIVITY  
A crystalline titanium dioxide powder, containing aggregated primary particles, wherein a BET surface area of the aggregated primary particles is from 30 to 65 m2/g, and a rutile content of a sum...
US20120252999 PRODUCTION OF CHEMICAL COMPOUNDS  
Systems and methods of producing chemical compounds are disclosed. An example chemical production system includes a combustion chamber having intake ports for entry of a gas mixture. An igniter...
US20110008246 SYSTEM AND METHOD FOR GENERATING NANOPARTICLES  
Systems and methods for generating nanomaterial are described wherein a reaction, for example, oxidation, for generating nanomaterial occurs in an open reaction zone which is external to the...
US20150329372 TITANIUM DIOXIDE PRODUCTION, AND METHODS OF CONTROLLING PARTICLE SIZE THEREOF  
Disclosed is a method/system for the production of titanium dioxide particles. The titanium dioxide particles are produced by oxidizing titanium tetrachloride in the presence of an agent which...

Matches 1 - 25 out of 25