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Phosphorus acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to phosphorus by nonionic bonding and wherein the hydrogen may be replaced by a substituted or unsubstituted ammonium or by a group IA or IIA light metal)

Subclass of:

562 - Organic compounds -- part of the class 532-570 series

562000000 - ORGANIC COMPOUNDS (CLASS 532, SUBCLASS 1)

Patent class list (only not empty are listed)

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Class / Patent application numberDescriptionNumber of patent applications / Date published
562008000 Phosphorus acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to phosphorus by nonionic bonding and wherein the hydrogen may be replaced by a substituted or unsubstituted ammonium or by a group IA or IIA light metal) 41
20090287016Transition-Metal-Catalyzed Carbon-Nitrogen and Carbon-Carbon Bond-Forming Reactions - One aspect of the present invention relates to ligands for transition metals. A second aspect of the present invention relates to the use of catalysts comprising these ligands in various transition-metal-catalyzed carbon-heteroatom and carbon-carbon bond-forming reactions. The subject methods provide improvements in many features of the transition-metal-catalyzed reactions, including the range of suitable substrates, number of catalyst turnovers, reaction conditions, and efficiency. For example, improvements have been realized in transition metal-catalyzed: aryl amination reactions; aryl amidation reactions; Suzuki couplings; and Sonogashira couplings. In certain embodiments, the invention relates to catalysts and methods of using them that operate in aqueous solvent systems.11-19-2009
20100210871Reactive Extraction of Free Organic Acids from the Ammonium Salts Thereof - The invention relates to a process for converting ammonium salts of organic acids to the particular free organic acid, wherein an aqueous solution of the ammonium salt is contacted with an organic extractant and the salt is dissociated at temperatures and pressures at which the aqueous solution and the extractant are in the liquid state, and a stripping medium or entraining gas is introduced in order to remove NH08-19-2010
20110245533NANOPARTICLE INCLUDING MULTI-FUNCTIONAL LIGAND AND METHOD - A nanoparticle including an inorganic core comprising at least one metal and/or at least one semi-conductor compound comprising at least one metal includes a coating or shell disposed over at least a portion of a surface of the core. The coating can include one or more layers. Each layer of the coating can comprise a metal and/or at least one semiconductor compound. The nanoparticle further includes a ligand attached to a surface of the coating. The ligand is represented by the formula: X-Sp-Z, wherein: X represents: a primary amine group, a secondary amine group, a urea, a thiourea, an imidizole group, an amide group, a carboxylic acid or carboxylate group; a phosphoric acid group, a phosphate group, a phosphite group, a phosphinic acid group, a phosphinate group, a phosphine oxide group, a phosphinite group, a phosphine group, an arsenic acid group, an arsenate group, an arsenous acid group, an arsenite group, an arsinic acid group, an arsine oxide group, or an arsine group; Sp represents a group capable of allowing a transfer of charge or an insulating group; and Z represents a multifunctional group including three or more functional groups capable of communicating a specific property or chemical reactivity to the nanoparticle, wherein at least three of the functional groups are chemically distinct, and wherein Z is not reactive upon exposure to light. Compositions including a nanoparticle in accordance with the invention are also disclosed. Devices including nanoparticle and/or composition in accordance with the invention are disclosed. Methods for preparing nanoparticles in accordance with the invention are disclosed. Other products including a nanoparticle in accordance with the invention are also disclosed.10-06-2011
20110257429METHOD FOR PRODUCING A FREE ACID FROM THE SALT THEREOF - The invention relates to an improved method for releasing an organic acid, preferably a carbon, sulfone or phosphone acid, particularly an alpha or beta hydroxycarbon acid, from the ammonia salt thereof by releasing and removing ammoniac and simultaneous extraction of the released acid, having an amine as a suitable extraction means from the aqueous phase. This method corresponds to a reactive extraction. The reactive extraction of an organic acid from the aqueous ammonia salt solution thereof can be significantly improved by the use of a strip medium or carrier gas, such as nitrogen, air, water vapor or inert gases such as argon. The released ammoniac is removed from the aqueous solution by the continuous gas flow and can be resupplied into a production process. The free acid can be obtained by a method such as distillation, rectification, crystallization, reextraction, chromatography, adsorption or by a membrane method from the extraction means.10-20-2011
20110282095PRODUCTION OF NANOSIZED CALCIUM PHOSPHATE PARTICLES AS POWDER OR COATING VIA BIFUNCTIONAL PRECURSORS - Method of producing calcium phosphate particles, such as hydroxyapatite particles, in the form of a powder or coating on a solid support comprising an oxide surface or a polymer surface, such as titanium, titanium alloys, stainless steel, zirconia, glass and poly(styrene), poly(ether ether ketone) (PEEK), and poly(imide) is described. The method comprises I) providing a water solution containing calcium ions and water-soluble organic compound(s) comprising at least two functional groups, II) providing another water solution containing phosphate ions and water-soluble organic compound(s) comprising at least two functional groups, followed by III) mixing the solutions of (I) and (II) to create calcium phosphate particles coated with said water-soluble organic compounds. After washing and drying, the coated particles may be used as scaffolds or for production of a powder of calcium phosphate particles or crystals.11-17-2011
20140243552EMULSIFYING AGENT FOR EMULSION POLYMERIZATION - A reactive emulsifier comprising a compound of formula (I), which makes polymerization stability satisfactory and is capable of improving the water resistance etc. of the polymer film to be obtained.08-28-2014
20140275615NOVEL PHOSPHINIC ACIDS AND THEIR SULFUR DERIVATIVES AND METHODS FOR THEIR PREPARATION - Methods of preparing compounds according to Formula (I):09-18-2014
20140330038METHOD FOR PRODUCING PHENYLPHOSPHONIC ACID METAL SALT COMPOSITION, AND CRYSTAL NUCLEATING AGENT THEREFROM - A method for producing a phenylphosphonic acid metal salt composition, including reacting a phenylphosphonic acid compound (a) with a metal salt, metal oxide or metal hydroxide (b) that is present in an amount beyond the equivalent, the phenylphosphonic acid metal salt composition containing phenylphosphonic acid metal salt, and a surplus amount of the metal salt, the metal oxide or the surplus metal hydroxide (b). A crystal nucleating agent comprises the phenylphosphonic acid metal salt composition produced by the method.11-06-2014
562009000 Sulfur attached directly to the phosphorus by nonionic bonding 2
20090253931Process for the preparation of highly purified, dialkydithiophosphinic compounds - An improved process for production of dialkyldithiophosphinic acid including sulfurizing a purified dialkylphosphinic acid by: reacting a hypophosphorous acid or salt with a stoichiometric excess of an alpha olefin in the presence of a free radical initiator to form a reaction product comprising monoalkylphosphinic acid and dialkylphosphinic acid; adding sufficient aqueous base to the reaction product to i) form the salts of the phosphinic acids, and ii) establish an aqueous phase and an organic phase, wherein a monoalkylphosphinic acid solubilizes into an aqueous phase; separating the organic phase from the aqueous phase; acidifying the organic phase and removing the olefin from the organic phase; isolating the purified dialkylphosphinic acid product; and sulfurizing the purified dialkylphosphinic acid product to form a dialkyldithiophosphinic acid. The present invention also provides a process for preparing purified dialkylthiophosphinic chloride, and a process for preparing purified dialkylmonothiophosphinic acids.10-08-2009
20100094042METHOD FOR FORMING AN EXTRACTION AGENT FOR THE SEPARATION OF ACTINIDES FROM LANTHANIDES - An extraction agent for the separation of trivalent actinides from lanthanides in an acidic media and a method for forming same are described, and wherein the methodology produces a stable regiospecific and/or stereospecific dithiophosphinic acid that can operate in an acidic media having a pH of less than about 7.04-15-2010
562010000 Nitrogen attached directly to the phosphorus by nonionic bonding 1
20120136171METHOD FOR THE MANUFACTURE OFAMINO ALKYLENE PHOSPHONIC ACIDS - A method for the manufacture of aminoalkylene phosphonic acids broadly is disclosed. In the essence, an amine corresponding to a specific formula is reacted in aqueous medium with phosphorous acid and formaldehyde to thereby yield a medium insoluble reaction product. The insoluble product formed i.e. the aminoalkylene phosphonic acid can be separated, optionally washed, and recovered. This process yields high purity and selectivity reaction products. The excess phosphonic acid can be recycled into the processing sequence.05-31-2012
562011000 Nitrogen attached indirectly to the phosphorus by nonionic bonding 18
20100063316REACTIVE PHOSPHONATES - Novel reactive phosphonate compounds are disclosed corresponding to the structural formula set forth. The reactive moiety is preferably selected from the group of Cl, I, Br, HSO03-11-2010
20110105786Creatinol o-phosphate and synthesis method thereof - A creatinol O-phosphate is formed by chemically reacting a creatinol sulfate of creatinol compound with sulfuric acid to form a protected creatinol sulfate as a transition state of the synthesis process of the creatinol O-phosphate, wherein the protected creatinol is further reacted with one of P05-05-2011
20110118502METHOD FOR THE MANUFACTURE OF AMINOALKYLENE PHOSPHONIC ACID - A method for the manufacture of amino alkylene phosphonic acids is disclosed. Pure P05-19-2011
20120016155DIASTEREOISOMERS OF HYPOPHOSPHOROUS ACID DERIVATIVES - The invention relates to the diastereoisomers of hypophosphorous acid derivatives, having formula (I), wherein the phenyl group is substituted by one or several atoms or groups, occupying one or several positions on the phenyl ring, and a method for the separation thereof.01-19-2012
20140309453METHOD FOR PRODUCING GLUFOSINATE P FREE ACID - The present invention provides a method for producing crystalline glufosinate P free acid with high purity from glufosinate P hydrochloride salt. In addition, the present invention also provides a method comprises a process of: dissolving glufosinate P hydrochloride salt in a solvent which is a mixed solvent of water and an alcohol(s) selected from the group of methanol, ethanol, propyl alcohol and isopropyl alcohol, and a ratio of water to the alcohol(s) is from 1:3 to 1:100 by volume; crystallizing glufosinate P free acid after neutralizing by addition of a base.10-16-2014
562012000 Plural phosphori attached indirectly to each other by nonionic bonding 6
562013000 Plural phosphori bonded directly to the same carbon 3
20090023949Amorphous ibandronic acid - Amorphous ibandronic acid is provided with methods for its preparation. The methods include dissolution of ibandronic acid in a solvent such as acetonitrile, DMSO, methanol, or water, and spray drying.01-22-2009
20100010258PROCESS FOR MAKING 1-HYDROXYALKYLIDENE-1,1-BIPHOSPHONIC ACIDS - Synthesis of biphosphonate compounds can be advantageously carried out in a solvent/diluent comprising a compound of formula (3)01-14-2010
20130267731Tripodal Bisphosphonate Derivatives - The present invention describes tripodal bisphosphonate derivatives with a flexible basic framework for the functionalisation of surfaces, and methods for their production and use. The central atom of the flexible framework is hereby a tertiary aliphatic carbon atom. A fourth remaining position of the flexible framework is suitable to be optionally functionalised by so-called click reactions, for example with biomolecules, polyethylene glycol or active agents.10-10-2013
562014000 Additional nitrogen attached indirectly to the phosphorus by nonionic bonding 3
20100174110PROCESS FOR THE MANUFACTURE OF ALKYLAMINO ALKYLENE PHOSPHONIC ACIDS - A process for the manufacture of alkylamino alkylene phosphonic acids is disclosed. In detail, a specific phosphonate is reacted with an agent selected to yield an alkylamino moiety substituted by a radical selected from OH, OR′, NH2, NHR′, N(R′)07-08-2010
20140336408PROCESS FOR THE MANUFACTURE OF ALKYLAMINO ALKYLENE PHOSPHONIC ACIDS - A process for the manufacture of alkylamino alkylene phosphonic acids is disclosed. In detail, a specific phosphonate is reacted with an agent selected to yield an alkylamino moiety substituted by a radical selected from OH, OR', NH11-13-2014
20150073175Process for the Preparation of Polyoxyalkylene Aminophosphonic Dispersing Agents R1-O-(CH2-CH2-O)n-CH2-CH2-N(R2)-R3-NR4R5 (I) - Disclosed is a process for the preparation of compounds of formula (I) wherein R1 is C1-C4 alkoxy; R2 is hydrogen or a group of formula —CH03-12-2015
562015000 The nitrogen is bonded directly to -C(=X)-, wherein X is chalcogen 1
20100130773PROCESS FOR THE SYNTHESIS OF ALKYL PHOSPHINIC ACIDS BY INITIATION OF AN AMINE AND AN AMINEOXIDE - The present invention relates to a new process for the synthesis of alkyl phosphinic acids, and more particularly to a coupling reaction between an alkylhalide and a hypophosphorous acid derivative in the presence of an amine and an amineoxide.05-27-2010
562016000 The nitrogen and the phosphorus are bonded directly to the same carbon 6
562017000 The nitrogen is bonded to an additional acyclic carbon or acyclic carbon chain, to which a -C(=X)X- group is bonded directly, wherein the X's are the same or diverse chalcogen 6
20090259068REACTION SYSTEMS FOR MAKING N-(PHOSPHONOMETHYL) GLYCINE COMPOUNDS - This invention generally relates to liquid phase oxidation processes for making N-(phosphonomethyl)glycine (also known in the agricultural chemical industry as glyphosate) and related compounds. This invention, for example, particularly relates to processes wherein an N-(phosphonomethyl)iminodiacetic acid (NPMIDA) substrate (i.e., N-(phosphonomethyl)iminodiacetic acid, a salt of N-(phosphonomethyl)iminodiacetic acid, or an ester of N-(phosphonomethyl)iminodiacetic acid) is continuously oxidized to form an N-(phosphonomethyl)glycine product (i.e., N-(phosphonomethyl)glycine, a salt of N-(phosphonomethyl)glycine, or an ester of N-(phosphonomethyl)glycine). This invention also, for example, particularly relates to processes wherein an N-(phosphonomethyl)iminodiacetic acid substrate is oxidized to form an N-(phosphonomethyl)glycine product, which, in turn, is crystallized (at least in part) in an adiabatic crystallizer.10-15-2009
20090326262METAL UTILIZATION IN SUPPORTED, METAL-CONTAINING CATALYSTS - Generally, the present invention relates to improvements in metal utilization in supported, metal-containing catalysts. For example, the present invention relates to methods for directing and/or controlling metal deposition onto surfaces of porous substrates. The present invention also relates to methods for preparing catalysts in which a first metal is deposited onto a support (e.g., a porous carbon support) to provide one or more regions of a first metal at the surface of the support, and a second metal is deposited at the surface of the one or more regions of the first metal. Generally, the electropositivity of the first metal (e.g., copper or iron) is greater than the electropositivity of the second metal (e.g., a noble metal such as platinum) and the second metal is deposited at the surface of the one or more regions of the first metal by displacement of the first metal. The present invention further relates to treated substrates, catalyst precursor structures and catalysts prepared by these methods. The invention further relates to use of catalysts prepared as detailed herein in catalytic oxidation reactions, such as oxidation of a substrate selected from the group consisting of N-(phosphonomethyl)iminodiacetic acid or a salt thereof, formaldehyde, and/or formic acid.12-31-2009
20100130774OXIDATION CATALYST AND ITS USE FOR CATALYZING LIQUID PHASE OXIDATION REACTIONS - This invention relates to the field of heterogeneous catalysis, and more particularly to oxidation catalysts including carbon supports having deposited thereon a noble metal and one or more optional promoters and to methods for their preparation. The invention further relates to the field of heterogeneous catalytic oxidation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines, such as the oxidation of an N-(phosphonomethyl)iminodiacetic acid to produce an N-(phosphonomethyl)glycine product.05-27-2010
20110301381Transition Metal-Containing Catalysts and Processes for Their Preparation and Use As Oxidation and Dehydrogenation Catalysts - This invention relates to the field of heterogeneous catalysis, and more particularly to catalysts including carbon supports having formed thereon compositions which comprise a transition metal in combination with nitrogen and/or carbon. The invention further relates to the fields of catalytic oxidation and dehydrogenation reactions, including the preparation of secondary amines by the catalytic oxidation of tertiary amines and the preparation of carboxylic acids by the catalytic dehydrogenation of alcohols.12-08-2011
20120130120METHOD FOR THE MANUFACTURE OF PHOSPHONOALKYL IMINODIACETIC ACIDS - An improved method for the manufacture of phosphonoalkyl iminodiacetic acid (PAIDA) is disclosed. The iminodiacetic acid starting material is reacted with a considerable amount, in excess of stoichiometric requirements, of phosphorous acid to thereby yield a reaction medium insoluble reaction product which can be separated from the reaction medium. In a particularly preferred approach, the phosphorous acid is prepared in situ starting from liquid P05-24-2012
20130102808METHOD FOR THE MANUFACTURE OF PHOSPHONOALKYL IMINODIACETIC ACID - An improved method for the manufacture of phosphonoalkyl iminodiacetic acid M04-25-2013
562019000 The phosphorus is in a ring 1
20110166382PROCESSES FOR OBTAINING A PHOSPHONIC ACID FROM A PHOSPHONIC ACID ANHYDRIDE - The present invention relates to a process for recovering a phosphonic acid. The present invention also relates to the conversion of a phosphonic acid to a phosphonic acid anhydride.07-07-2011
562020000 Plural phosphori attached indirectly to each other by nonionic bonding 6
20090076299PHOSPHATED ALCANOL, ITS USE AS A HYDROTROPE AND CLEANING COMPOSITION CONTAINING THE COMPOUND - The present invention relates to the use of phosphated 2-propylheptanol or a phosphated 2-propylheptanol alkoxylate as a hydrotrope in aqueous alkaline solutions for a C03-19-2009
20100317890L-carnitine and alkanoyl L-carnitine phytates and process for preparing the same - Salts of L-carnitine and alkanoyl L-carnitines with phytic acid of general formula (I), and the process of preparing the same, wherein the mole ratio between the L-carnitine or its alkanoyl derivatives cation and phytic acid anion be within the range of 1:1 to 6:1, wherein: n=1-6; R12-16-2010
20110054212LITHOGRAPHIC PRINTING PLATE PRECURSOR AND LITHOGRAPHIC PRINTING PROCESS - A lithographic printing plate precursor, which comprises: a support; an image-recording layer; and a protective layer, in this order, wherein at least one of the image-recording layer and the protective layer comprises a phosphonium salt having a specific structure, and a lithographic printing process, which comprises: exposing a lithographic printing plate precursor; supplying an oil-based ink and a fountain solution comprising a phosphonium salt having a specific structure to the exposed lithographic printing plate precursor on a printing machine to remove an unexposed area of an image-recording layer; and conducting printing.03-03-2011
20110245534NOVEL POLYMORPHIC FORM OF CHDMAPP, METHOD OF PREPARATION THEREOF, AND PHARMACEUTICAL COMPOSITION COMPRISING SAME - The present invention relates to novel polymorphs of (2E)-1-hydroxy-2-methylpent-2-enyl-pyrophosphonate disodium (CHDMAPP-Na10-06-2011
562021000 Plural phosphori bonded directly to the same carbon 2
20130090494TETRAKIS[BIS(DIHYDROXYPHOSPHORYL)METHYL]CALIX[4]ARENE OR ITS SODIUM SALT THEREOF AS FIBRIN POLYMERIZATION INHIBITORS - There is proposed a chemical compound of 5,11,17,23-tetrakis[bis(dihydroxyphosphoryl)methyl]calix[4]arene and a sodium salt thereof, which can be used as antithrombotic agents. A highly specific inhibiting effect of the aforementioned calixarenes on the fibrin polymerization has been identified. It has been found that the addition of the aforementioned calixarenes to blood plasma leads to an increase of the prothrombin time and the activated partial thromboplastin time.04-11-2013
562022000 Processes 1
20100197961ADDUCT OF 1-HYDROXYETHYLIDENE-1, 1-DIPHOSPHONIC ACID AND ETHYLENEDIAMINE DISUCCINIC ACID OR A SALT THEREOF, A METHOD FOR ITS PREPARATION, AND THE USE OF SAID ADDUCT - An adduct of 1-hydroxyethylidene-1,1-diphosphonic acid and from 0.5 to 10 moles of ethylenediamine disuccinic acid or a salt thereof per mole of 1-hydroxyethylidene-1,1-5 diphosphonic acid, wherein said adduct is in the form of a solid.08-05-2010
562023000 Chalcogen attached indirectly to the phosphorus by nonionic bonding 4
20090012325Methods for preparing phosphoric acids of combrestastatin and derivatives thereof - Methods of synthesizing phosphoric acid of combretastatin A-4, phosphoric acid of combretastatin A-4 derivatives, and trans-isomers thereof are disclosed.01-08-2009
20090240078MULTIFUNCTIONAL ALCOHOLS OBTAINED FROM CARDANOL, MULTIFUNCTIONAL ACRYLIC CROSSLINKER AND PENDANT PHOSPHOROUS FLAME RETARDANT DERIVATIVES THEREOF - Multifunctional alcohols, polyols derived from cardanol containing at least 3 hydroxyl groups are disclosed. Such alcohols allow for synthesis of multifunctional crosslinkers such as acrylates, epoxies, and vinyl ethers and flame retardants such as >phosphates. The multifunctional alcohols or polyols can be used in polyurethanes and polycarbonates. The multifunctional crosslinkers can be used in optical coating and waveguide compositions to increase curing speed and crosslink density. The multifunctional phosphates can be used in flame resistant plastics as the highly pendant phosphorus containing phosphate non-halogen flame retardant additives.09-24-2009
20110282096ANIONIC ACID-LABILE SURFACTANTS AND METHODS OF USE - Anionic acid-labile surfactants may generally comprise compounds represented by the formula:11-17-2011
20120046492Ethoxy Diphenyl Ethane Derivatives, Preparation Processes and Uses Thereof - The invention discloses an ethoxydiphenylethane derivative and a synthetic method and uses thereof 4′ position of phenylethane B aromatic ring is chemically modified by ethoxy and hydroxy at position 3′ thereof is simultaneously modified to water soluble prodrug such as phosphate, and similarly, amino acid side chain is introduced to amino at position 3′ to form amino acid amide water soluble prodrug having the structure shown as formula (I)02-23-2012
562025000 Halogen attached indirectly to the phosphorus by nonionic bonding 1
20140155649PROCESS FOR THE PREPARATION OF BIS(PERFLUOROALKYL)PHOSPHINIC ACID ANHYDRIDES - The invention relates to a process for the preparation of bis(perfluoroalkyl)phosphinic acid anhydrides by reaction of a bis(perfluoroalkyl)phosphinic acid with phosphorus pentoxide, to novel bis(perfluoroalkyl)phosphinic acid anhydrides and to uses of bis(perfluoroalkyl)phosphinic acid anhydrides.06-05-2014

Patent applications in all subclasses Phosphorus acids or salts thereof (i.e., compounds having -XH, wherein X is chalcogen, attached directly to phosphorus by nonionic bonding and wherein the hydrogen may be replaced by a substituted or unsubstituted ammonium or by a group IA or IIA light metal)

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