| MOLYCORP MINERALS, LLC Patent applications |
| Patent application number | Title | Published |
|---|
| 20120103909 | PARTICULATE CERIUM DIOXIDE AND AN IN SITU METHOD FOR MAKING AND USING THE SAME - This disclosure relates generally to methods and compositions for removing contaminants from streams and is particularly concerned with methods and compositions for removing contaminants from municipal wastewaters, municipal drinking waters and recreational waters. The present disclosure is to particulate cerium, more particularly to particulate cerium (IV) formed by an in situ oxidative process and to a method for removing target materials from a target material-containing stream using particulate cerium formed in situ. | 05-03-2012 |
| 20120074071 | PROCESS FOR TREATING WATERS AND WATER HANDLING SYSTEMS TO REMOVE SCALES AND REDUCE THE SCALING TENDENCY - The present disclosure includes an embodiment to a method for treating water and/or a water handling system to decrease deposit formation and/or to remove a deposit. More particularly, to a method for treating water and/or a water handling system with one or more rare earths to decrease deposit formation and/or to remove a deposit. Struvite is an example of deposit material that can be removed and/or deposition inhibited by treating a water and/or water handling system with one or more earths. | 03-29-2012 |
| 20120031827 | AGGLOMERATION OF HIGH SURFACE AREA RARE EARTHS - The subject invention relates generally to friable metal oxide agglomerates and specifically to agglomerates containing high surface area rare earth-containing materials and a polymeric binder. | 02-09-2012 |
| 20110309017 | METHODS AND DEVICES FOR ENHANCING CONTAMINANT REMOVAL BY RARE EARTHS - Embodiments are provided for removing a variety of contaminants using both rare earth and non-rare earth-containing treatment elements. | 12-22-2011 |
| 20110303871 | REMEDIATION OF PHYSIOLOGICALLY ACTIVE COMPOUNDS FROM WASTE WATER - The present invention is directed to the removal of one or more selected target materials, in particular a physiologically active compound contaminant, from various streams using a rare earth fixing agent. | 12-15-2011 |
| 20110272273 | LANTHANIDE-MEDIATED PHOTOCHEMICAL WATER SPLITTING PROCESS FOR HYDROGEN AND OXYGEN GENERATION - The application generally relates to a process for generating hydrogen, oxygen or both from water. More particularly, the application generally relates to a lanthanide-mediated photochemical process for generating hydrogen, oxygen or both from water. | 11-10-2011 |
| 20110182786 | HYDROMETALLURGICAL PROCESS AND METHOD FOR RECOVERING METALS - A mineral processing facility is provided that includes a cogen plant to provide electrical energy and waste heat to the facility and an electrochemical acid generation plant to generate, from a salt, a mineral acid for use in recovering valuable metals. | 07-28-2011 |
| 20110110817 | RARE EARTH REMOVAL OF COLORANTS - The present disclosure is directed to a method and system for contacting a colorant-contaminated aqueous solution with a rare earth-containing composition to form a treated solution substantially depleted of the colorant. | 05-12-2011 |
| 20110033337 | APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING BIOLOGICAL CONTAMINANTS - Process, apparatus and article for treating an aqueous solution containing biological contaminants. The process includes contacting an aqueous solution containing a biological contaminant with an aggregate composition comprising an insoluble rare earth-containing compound to form a solution depleted of active biological contaminants. The aggregate includes more than 10.01% by weight of the insoluble rare earth-containing compound. The insoluble rare earth-containing compound can include one or more of cerium, lanthanum, or praseodymium. A suitable insoluble cerium-containing compound can be derived from a cerium carbonate, a cerium oxalate or a cerium salt. The composition can consist essentially of cerium oxides, and optionally, a binder and/or flow aid. The aggregate includes no more than two elements selected from the group consisting of yttrium, scandium, and europium when the aggregate is to be sintered. Although intended for a variety of fluid treatment applications, such applications specifically include removing or deactivating biological contaminants in water. | 02-10-2011 |
| 20110002971 | CERIA FOR USE AS AN ANTIMICROBIAL BARRIER AND DISINFECTANT IN A WOUND DRESSING - The present invention relates to protecting a human from an infection using a disinfecting agent as described herein and a method for use thereof, more particularly to a rare earth-containing device for protecting a wound and a method for use thereof. | 01-06-2011 |
| 20100258448 | USE OF A RARE EARTH FOR THE REMOVAL OF ANTIMONY AND BISMUTH - The invention relates generally to a process for removing one or more contaminants from an electrolytic solution and more particularly to a process for removing the one or more contaminants contained in an electrorefining solution using rare earth metals. | 10-14-2010 |
| 20100255559 | APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING BIOLOGICAL CONTAMINANTS - Process, apparatus and article for treating an aqueous solution containing biological contaminants. The process includes contacting an aqueous solution containing a biological contaminant with an aggregate composition comprising an insoluble rare earth-containing compound to form a solution depleted of active biological contaminants. The aggregate includes more than 10.01% by weight of the insoluble rare earth-containing compound. The insoluble rare earth-containing compound can include one or more of cerium, lanthanum, or praseodymium. A suitable insoluble cerium-containing compound can be derived from a cerium carbonate, a cerium oxalate or a cerium salt. The composition can consist essentially of cerium oxides, and optionally, a binder and/or flow aid. The aggregate includes no more than two elements selected from the group consisting of yttrium, scandium, and europium when the aggregate is to be sintered. Although intended for a variety of fluid treatment applications, such applications specifically include removing or deactivating biological contaminants in water. | 10-07-2010 |
| 20100243542 | APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING BIOLOGICAL CONTAMINANTS - Process, apparatus and article for treating an aqueous solution containing biological contaminants. The process includes contacting an aqueous solution containing a biological contaminant with an aggregate composition comprising an insoluble rare earth-containing compound to form a solution depleted of active biological contaminants. The aggregate includes more than 10.01% by weight of the insoluble rare earth-containing compound. The insoluble rare earth-containing compound can include one or more of cerium, lanthanum, or praseodymium. A suitable insoluble cerium-containing compound can be derived from a cerium carbonate, a cerium oxalate or a cerium salt. The composition can consist essentially of cerium oxides, and optionally, a binder and/or flow aid. The aggregate includes no more than two elements selected from the group consisting of yttrium, scandium, and europium when the aggregate is to be sintered. Although intended for a variety of fluid treatment applications, such applications specifically include removing or deactivating biological contaminants in water. | 09-30-2010 |
| 20100230359 | POROUS AND DURABLE CERAMIC FILTER MONOLITH COATED WITH A RARE EARTH FOR REMOVING CONTAMINANTS FROM WATER - The invention is directed generally to a porous and durable ceramic filter monolith coated with one or more rare earth-containing compositions for removing contaminants from a fluid, particularly for removing one or more contaminants from water. | 09-16-2010 |
| 20100187178 | Process for removing and sequestering contaminants from aqueous streams - Contaminants, including arsenic, are removed from water and other aqueous feeds preferably by (1) treating the feed with a compound containing a rare earth (e.g., cerium in the +4 oxidation state, preferably cerium dioxide), to oxidize contaminants in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing the contaminants in the +5 oxidation state from the aqueous phase, normally by contacting the treated feed with a rare earth-containing precipitating agent. | 07-29-2010 |
| 20100168498 | APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING CHEMICAL CONTAMINANTS - Apparatus, process and article for treating an aqueous solution containing a chemical contaminant. The process includes contacting an aqueous solution containing a chemical contaminant with an aggregate composition comprising an insoluble rare earth-containing compound to form a solution depleted of chemical contaminants. The insoluble rare earth-containing compound can include one or more of cerium, lanthanum, or praseodymium. A suitable insoluble cerium-containing compound can be derived from a cerium carbonate, cerium oxalate and/or a cerium salt. The aggregate composition can include more than 10.01% by weight of the insoluble rare earth-containing compound, and in a particular embodiment consists essentially of one or more cerium oxides, and optionally a binder and/or flow aid. Although intended for a variety of fluid treatment applications, such applications specifically include removing or detoxifying chemical contaminants in water. | 07-01-2010 |
| 20100155330 | TARGET MATERIAL REMOVAL USING RARE EARTH METALS - The present invention is directed to the removal of one or more selected target materials from various streams using a rare earth metal-containing fixing agent. | 06-24-2010 |
| 20100044317 | WATER PURIFICATION DEVICE FOR ARSENIC REMOVAL - Arsenic is removed from water and other aqueous feeds by (1) treating the feed with a compound containing cerium in the +4 oxidation state, preferably cerium dioxide, to oxidize arsenic in the +3 oxidation state to arsenic in the +5 oxidation state and (2) removing the arsenic in the +5 oxidation state from the aqueous phase, normally by contacting the treated feed with alumina or other precipitating agent containing cations in the +3 oxidation state. | 02-25-2010 |
