...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Application No. | Application Title | Issue Date |
| 20110290705 | Collecting Agent and Method for Floatation of Insoluble Components of Raw Salts The invention relates to a method for separating insoluble components of sylvinite, in that the sylvinite is suspended in a saturated salt solution, a coagulating agent is added to the suspension, and a foaming agent comprising a hydrocarbon radical having from 6 to 16 ... | 12/01/2011 |
| 20110290704 | Foaming Agent And Method For Floatation Of Insoluble Components Of Raw Salts The invention relates to a method for separating insoluble components from sylvinite, wherein the sylvinite is suspended in a saturated salt brine, a coagulating agent is added to the suspension, and a foaming agent is then added to the composition thus obtained, said f... | 12/01/2011 |
| 20110272331 | PROCESS FOR THE SEPARATION OF MATERIALS FROM RECYCLED ELECTROCHEMICAL CELLS AND BATTERIES Materials in battery and electrochemical cells are separated in a form suitable for recycling by employing froth flotation techniques. Bulk materials, such as casings, are removed from converted battery scrap and the resultant pulp is subjected to froth flotation. Froth... | 11/10/2011 |
| 20100252487 | METHODS AND COMPOSITIONS OF BENEFICIATION Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a s... | 10/07/2010 |
| 20100072112 | SEPARATION METHOD AND SEPARATION APPARATUS A separation apparatus contains: a dispersion liquid introduction path to which a dispersion liquid containing particles is introduced; a separation path that has a inclined upper face inclined with respect to a direction of gravity and separates the particles; and a di... | 03/25/2010 |
| 20100065479 | COLLECTOR FOR THE FLOTATION OF CARBONATES The invention relates to a collector for the separation by flotation of carbonates contained in non-sulfurous minerals, particularly phosphoric rock, comprising at least one phosphoric ester of formula (I) wh... | 03/18/2010 |
| 20100044280 | Flotation Process Using an Organometallic Complex as Activator The invention provides a flotation process which includes the steps of providing a flotation mixture containing mineral values to be recovered and adding an activator to the flotation mixture, which activator may comprise a metal complex formed by a coordinating metal i... | 02/25/2010 |
| 20100000913 | COLLECTORS Collectors for froth flotation including oxidized fatty acid compositions and oxidized and maleated compositions. In particular, use of oxidized tall oil compositions and oxidized and maleated fatty acid compositions are disclosed.... | 01/07/2010 |
| 20090301941 | Process and composition for froth flotation A method for conducting froth flotation using a collector which is primarily hydrocarbon in nature or is a mixture of hydrocarbons with certain oxygenates, the collectors being substantially free of polynuclear aromatics, sulfur and nitrogen.... | 12/10/2009 |
| 20090194466 | METHOD FOR THE FROTH FLOTATION OF COAL The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a collector consisting essentially of a fatty acid monoester of a polyol, a fatty acid diester of a p... | 08/06/2009 |
| 20090178959 | METHOD FOR THE BENEFICIATION OF COAL The present invention relates to the beneficiation of coal by the process of froth flotation and specifically relates to a process for the froth flotation of coal using a mixture of fatty acids and rosin acids (and/or certain derivatives of fatty acids and rosin acids) ... | 07/16/2009 |
| 20090152174 | Flotation Reagent For Minerals Containing Silicate The invention relates to the use of a compound of formula
wherein R represents a linear or branched alkyl group or alkenyl gr... | 06/18/2009 |
| 20090114573 | Flotation Reagent For Silicates This invention relates to the use of a compound of the formula (I) where R1 is a hydrocarbon group having 1-40 carbon atoms, R2 is an aliphatic hydrocarbon group having 2-4 carbon atoms, and also R3 is an alkoxy group, n is in the range ... | 05/07/2009 |
| 20090114572 | Process for separation of phosphatic materials coastal beach sand A process for separating phosphatic materials from coastal beach sand and sand deposits used for beach renourishment. The steps include (a) suspending a mixture of beach sand and phosphatic material in water, (b) introducing compressed gas, preferably air, into the mixt... | 05/07/2009 |
| 20090008302 | Method for Removal of Unburned Carbon Contained in Fly Ash Disclosed is a method for removal of an unburned carbon contained in a fly ash material. The method comprises the steps of adding water to the fly ash to prepare a fly ash slurry; shearing the fly ash slurry using an agitating blade that can rotate at a high speed to ge... | 01/08/2009 |
| 20090008301 | Methods of Increasing Flotation Rate Methods of increasing the rate of separating hydrophobic and hydrophilic particles by flotation have been developed. They are based on using appropriate reagents to enhance the hydrophobicity of the particles to be floated, so that they can be more readily collected by ... | 01/08/2009 |
| 20080308467 | METHYL ISOBUTYL CARBINOL MIXTURE AND METHODS OF USING THE SAME Methods and compositions for separating materials are provided. The present invention provides a method of separating a first material from a second material such as mixing the first material and the second material in a slurry with a beneficiation composition. The bene... | 12/18/2008 |
| 20080308468 | Ore Beneficiation Flotation Processes A method for optimizing an ore beneficiation flotation process through which a comminuted ore slurry, which includes a sulphide mineral, passes to produce a final flotation concentrate and a final flotation tail. The method comprises measuring oxygen demand in two or mo... | 12/18/2008 |
| 20080308466 | Mineral Recovery from Ore A metal or mineral compound collector for use in a froth flotation process so as to recover one or more desired minerals or metals; the collector comprising a functional group attached to a carbon chain; the functional group being a nitrile and the said chain having ( 12/18/2008 | |
| 20080277319 | FINE PARTICLE CARBON DIOXIDE TRANSFORMATION AND SEQUESTRATION An energy efficient method and system for producing micron-sized particles and transforming and sequestering carbon dioxide into mineral carbonates is described, along with uses for the mineral carbonates produced in the process.... | 11/13/2008 |
| 20080197053 | FROTH FLOTATION PROCESS WITH pH MODIFICATION This invention relates to the pH modifier in alkaline froth flotation processes to treat oxide and semi-soluble salt ores, such as phosphates, sulfates, carbonates and halides, to increase the recovery while generally maintaining or improving selectivity, thus the grade... | 08/21/2008 |
| 20080185317 | NOVEL DITHIOCARBAMATE COLLECTORS AND THEIR USE IN THE BENEFICIATION OF MINERAL ORE BODIES Froth flotation collectors comprising dithiocarbamates of the Formula (I) as described herein are useful for the beneficiation and recovery of metals from mineral ores. ... | 08/07/2008 |
| 20080093267 | FATTY ACID BY-PRODUCTS AND METHODS OF USING SAME Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a s... | 04/24/2008 |
| 20070187301 | Fatty acid by-products and methods of using same Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a s... | 08/16/2007 |
| 20070187300 | Fatty acid by-products and methods of using same Methods and compositions for separating materials are provided. In an embodiment, the present invention provides a method of separating a first material from a second material. For example, the method can comprise mixing the first material and the second material in a s... | 08/16/2007 |
| 20070181467 | Collector for sulfide ores A method for the flotation of sulfide ores is disclosed. The method comprises contacting the sulfide ores with a composition comprising at least one compound of the formula where R1, R2 and R3 independe... | 08/09/2007 |
| 20070138065 | Method to improve the cleaner froth flotation process The present invention provides a method to improve the cleaner froth flotation process for the selective separation of ore values including, for example, copper, zinc, molybdenum, iron and mixtures there of, in existing flotation plants comprising the step of adding one... | 06/21/2007 |
| 20070051668 | Apatite and method for producing the same, and apatite base material The present invention relates to apatite that includes metal atoms having a photocatalytic function and other metal atoms, and the metal atoms having a photocatalytic function include metal atoms that absorb energy corresponding to light energy of visible light. By appl... | 03/08/2007 |
| 20060226051 | USE OF UREA-FORMALDEHYDE RESIN IN POTASH ORE FLOTATION A potash ore processing method for the recovery of potassium minerals from potash ore can comprises conditioning a pulped potash ore, wherein the potash ore comprises a potassium chloride component and a clay component, in a saturated brine solution with an effective am... | 10/12/2006 |
| 20060151360 | Modified amine-aldehyde resins and uses thereof in separation processes Modified resins are disclosed for removing a wide variety of solids and/or ionic species from the liquids in which they are suspended and/or dissolved. These modified resins are especially useful as froth flotation depressants in the beneficiation of many types of mater... | 07/13/2006 |
| 20060037890 | Environmentally safe promoter for use in flotation separation of carbonates from minerals An environmentally safe composition of matter for use as a promoter chemical in flotation separation of carbonates from industrial sand is disclosed. The promoter chemical replaces the standard petroleum sulfonate, glycol ether and nonphenol used in promoter chemicals w... | 02/23/2006 |
| 20060000753 | Flotation of sulfide mineral species with oils This invention is directed to the use of non-sulfur containing compounds as collectors in the froth flotation of certain mineral sulfide and metallic compounds. These non-sulfur-containing compounds may be from natural sources, such as vegetable oils, or synthesized com... | 01/05/2006 |
| 20050269248 | PHOSPHATE BENEFICIATION PROCESS USING METHYL OR ETHYL ESTERS AS FLOAT OILS A process for use in a phosphate ore beneficiation process to minimize the long-term environmental impact of the use of petroleum based hydrocarbon materials mixed with fatty acid based primary floatation reagents for froth flotation in the flotation of phosphate ores, ... | 12/08/2005 |
| 20050263442 | Collecting agent for sulphidic ores, the production and use thereof A method for the flotation of sulfide ores is disclosed. The method comprises contacting the sulfide ores with a composition comprising at least one compound of the formula where
| |
| 20050252834 | Process and reagent for separating finely divided titaniferrous impurities from Kaolin A mineral beneficiating reagent containing an alkyl hydroxamic acid or salt thereof and a nonionic surfactant. The alkyl hydroxamic acid or a salt thereof is represented by the formula: R—C(═O)N(R″)—OM, wherein R is l... | 11/17/2005 |
| 20050242001 | Recovery of valuable metals A continuous flotation process and apparatus for iron-containing sulphides in ores and concentrates of ores are disclosed. The process includes adjusting the pH of an aqueous pulp of the ores or concentrates of the ores to be in the range of 6.5-8.5 and thereafter addin... | 11/03/2005 |
| 20050167339 | Composition formed of mercaptans which can be used in a process for the flotation of ores Composition intended for the flotation of ores, comprising: from 70 to 95% of a combination (A) of n-dodecyl mercaptan (or NDM) and of tert-dodecyl mercaptan (or TDM), the NDM/TDM ratio by weight of which is between 0.5 and 1.5, and from 5 to 30% of a product (B) compos... | 08/04/2005 |
| 20050167340 | Methods of increasing flotation rate Methods of increasing the rate of separating hydrophobic and hydrophilic particles by flotation have been developed. They are based on using appropriate reagents to enhance the hydrophobicity of the particles to be floated, so that they can be more readily collected by ... | 08/04/2005 |
| 20050045528 | Flotation processing including recovery of soluble nonferrous base metal values A method of flotation processing ores and other mineral materials containing soluble nonferrous base metal and sulfide minerals involves dissolving the soluble nonferrous base metal and precipitating the soluble nonferrous base metal in the form of a floatable precipita... | 03/03/2005 |