Class / Patent application number | Description | Number of patent applications / Date published |
423304000 |
Oxygen containing
| 120 |
423300000 |
Halogen containing
| 24 |
423322000 |
Elemental phosphorus
| 6 |
423302000 |
Nitrogen containing | 5 |
20080292521 | PERIODIC MESOPOROUS PHOSPHORUS-NITROGEN COMPOUNDS - Provided herein is a new material, periodic mesoporous phosphorus-nitrogen compound, which may be used in a variety of emerging technologies. Its surface properties render it promising as a component in a variety of applications, including gas separation and purification systems in which waste gases such as SO | 11-27-2008 |
20090110624 | Processes for Producing Phosphates - There are disclosed methods for producing ammonium, sodium, and/or potassium phosphates that involve reacting phosphate rock with ammonium, sodium and/or potassium hydrogen sulfate. | 04-30-2009 |
20100068113 | PHOSPHORUS RECOVERY - Phosphorous ions are extracted ( | 03-18-2010 |
20100322839 | NITROGEN-RICH WASTE WATER TREATMENT METHOD AND METHOD FOR PRODUCING STRUVITE - The present invention relates to an efficient method of removing nitrogen and producing struvite from nitrogen-rich wastewater. Additionally, the present invention provides an economical method of removing nitrogen while producing a large quantity of struvite from nitrogen-rich wastewater with an appropriate usage of a solution containing phosphorus ion and a solution containing magnesium ion and/or calcium ion. | 12-23-2010 |
20120070359 | PRODUCTION OF AMMONIUM PHOSPHATES - A method for production of ammonium phosphates includes providing ( | 03-22-2012 |
423303000 |
Sulfur containing | 2 |
20100202950 | Method of Preparing Heterogeneous Catalysts - Efficient heterogeneous catalysts were prepared by derivatization and palladation of commercially available chloromethylated polystyrene, and derivatization and palladation of functionalized silica gels with benzylchloride pendant groups. Both polymer based and silica based heterogeneous catalysts exhibited catalytic activity. Catalytic activity was studied using methanolysis of commercially available P═S pesticides. Catalytic activity of catalysts immobilized on silica gel was greater than catalyst immobilized on polymer. | 08-12-2010 |
20170233251 | PURIFICATION OF PHOSPHORUS DECASULFIDE (P4S10) | 08-17-2017 |
Entries |
Document | Title | Date |
20080199381 | Process For the Production of Inp Fine Particles and Inp Fine Particle Dispersion Obtained by the Process - The invention is to provide a process for industrially advantageously producing InP fine particles having a nano-meter size efficiently in a short period of time and an InP fine particle dispersion, and there are provided a process for the production of InP fine particles by reacting an In raw material containing two or more In compounds with a P raw material containing at least one P compound in a solvent wherein the process uses, as said two or more In compounds, at least one first In compound having a group that reacts with a functional group of P compound having a P atom adjacent to an In atom to be eliminated with the functional group in the formation of an In—P bond and at least one second In compound having a lower electron density of In atom in the compound than said first In compound and Lewis base solvent as said solvent, and InP fine particles obtained by the process. | 08-21-2008 |
20080247935 | Compound Semiconductor Substrate - It is to provide a substrate for epitaxial growth, which is capable of improving a surface state of an epitaxial layer at microroughness level. In a substrate for epitaxial growth, when haze is defined as a value calculated by dividing intensity of scattered light obtained when light is incident from a predetermined light source onto a surface of a substrate, by intensity of the incident light from the light source, the haze is not more than 2 ppm all over an effectively used area of the substrate and an off-angle with respect to a plane direction is 0.05 to 0.10°. | 10-09-2008 |
20100015024 | PRODUCTION OF BISPHOSPHINES - Bisphosphines are prepared by reacting a phosphine with a dihalide in the presence of an acid; characteristically, bisphosphonium compounds are initially formed and then converted into the bisphosphines. | 01-21-2010 |
20100310442 | MICROWAVE-ASSISTED SYNTHESIS OF TRANSITION METAL PHOSPHIDE - A method of synthesizing transition metal phosphide. In one embodiment, the method has the steps of preparing a transition metal lignosulfonate, mixing the transition metal lignosulfonate with phosphoric acid to form a mixture, and subjecting the mixture to a microwave radiation for a duration of time effective to obtain a transition metal phosphide. | 12-09-2010 |
20100316549 | III-V NANOPARTICLES AND METHOD FOR THEIR MANUFACTURE - A method for the manufacture of a III-V compound in the form of nanoparticles, such as those used in semi-conductors. The reaction proceeds at atmospheric pressure in a reaction solution by the reaction of a III compound source and a V compound source. The reaction proceeds in solvent of high boiling point. The solvent contains a stabiliser and a base. The manufactured III-V compound is precipitated from the reaction solution, isolated, purified and analysed. | 12-16-2010 |
20110195010 | Method of forming InP quantum dot and InP quantum dot formed by the same - Disclosed herein is a method of forming a spherical InP quantum dot, including: providing a compound containing indium (In); dissolving the compound in alcohol to form a solution; and introducing a compound containing phosphorus (P) into the solution. The method is advantageous because a spherical InP quantum dot can be formed, the method is environment-friendly because alcohol is used as a solvent, because InP quantum dots can be produced in large quantities because the InP quantum dots can be formed while putting all reactants into a reactor and slowly heating the reactants, and because the desired InP quantum dots can be easily recovered by decreasing the temperature of a reactor or by performing centrifugal separation at low speed. | 08-11-2011 |
20110229397 | PROCESS AND APPARATUS FOR CONTINUOUS FLOW SYNTHESIS OF NANOCRYSTALS - Novel reactor, systems and methods of preparing nanocrystals in a continuous flow-through process are provided. The novel reactor is highly configurable and can be modified to achieve desired reaction times of a flow through mixture. The reactor is designed to provide uniform, efficient heating of the reaction mixture. | 09-22-2011 |
20120156119 | NONLINEAR OPTIC GLASSY FIBERS, METHODS OF MAKING AND APPLICATIONS OF THE SAME - A nonlinear optic article for difference frequency generation is provided. The article comprises a wave mixer configured to generate a difference frequency mixing signal, the wave mixer comprising a compound made from one or more noncentrosymmetric crystal-glass phase-change materials comprising one or more chalcogenide compounds that are structurally one dimensional and comprise a polymeric | 06-21-2012 |
20130309160 | PROCESS FOR PREPARING A COMPOSTION OF MIXED PARTICLES CONTAINING ELEMENTS FROM COLUMNS 13 AND 15 - A process for preparing a composition of mixed crystalline particles from columns 13-15 in which a liquid solution is produced by solubilization in a non-aqueous solvent medium of at least one first precursor chosen from coordination complexes including at least one element E1 from column 13, then the liquid solution is brought into contact with at least one second precursor chosen from the hydrides of at least one element E2 from column 15. | 11-21-2013 |
20140127110 | METHOD FOR RECOVERING PHOSPHORUS IN THE FORM OF A COMPOUND CONTAINING PHOSPHORUS, FROM LAMP WASTE CONTAINING LUMINOPHORES - A method for recovering phosphorus as a compound containing phosphorus from lamp waste, which contains luminophores, wherein a part, more than 20 wt.-%, of the luminophores are luminophores containing phosphorus, the method may include: a) mechanically partitioning out of coarse components; b) partitioning out of luminophores containing phosphorus as a dissolving process; c) separating the phosphorus; d) optionally carrying out at least one purification; and e) performing optional final treatment. | 05-08-2014 |