Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
---|
11/30/1999 | US5993768 Pyrophosphate-phosphate of zirconium, titanium or tin; preparation by calcining metal organodiphosphonate |
11/30/1999 | US5993767 Solvate of lithium hexafluorophosphate and pyridine, its preparation and preparation process for lithium hexafluorophosphate using said solvate |
11/30/1999 | US5993609 Process for the purification of phosphorus oxychloride |
11/30/1999 | CA2158561C Isolation of the calcium-phosphate crystals of bone |
11/30/1999 | CA2101456C Process for preparation of rare earths phosphates and products thereof |
11/24/1999 | EP0958240A1 New aluminophosphates and their method of preparation |
11/23/1999 | US5989509 Method for extracting antimony from elemental phosphorous |
11/23/1999 | US5989508 Liquid medium extraction purification method |
11/18/1999 | WO1999058447A1 Hydroxyapatite, composite, processes for producing these, and use of these |
11/17/1999 | EP0956263A1 Process for removing acids from lithium salt solutions |
11/10/1999 | CN1234368A Defluorination agent for production of fodder-grade calcium hydrophosphate and use method thereof |
11/09/1999 | US5980856 Adsorbing agents of acidic substances, anion exchangers, infrared absorption agents for agricultural films, deodorants and recording media for ink jet |
11/09/1999 | CA2006076C Stabilized red phosphorus, and a process for the preparation thereof |
11/04/1999 | WO1999043612A8 Process and apparatus for preparation of phosphorus oxyacids from elemental phosphorus |
11/03/1999 | EP0952959A1 Polyhalophosphazene solutions stable against gelation |
11/03/1999 | CN1046119C Polyphosphate compound salt and method for producing same |
10/28/1999 | WO1999054257A1 Inorganic composition, process of preparation and method of use |
10/27/1999 | EP0951441A1 Silicon-substituted apatites and process for the preparation thereof |
10/27/1999 | EP0761756B1 Stabilizer for halogen-containing resins and process for the preparation thereof, halogen-containing resin composition, and composite hydroxide salt |
10/27/1999 | CN1232785A Compositely heating horizontal-chamber furnace for indirectly heated solid-phase reaction to prepare phosphorus element |
10/27/1999 | CN1045947C Method for producing sulfonyl azophoska compound fertilizer |
10/26/1999 | US5973194 Process for preparing dialkylphosphinate salts |
10/26/1999 | US5972175 Producing ethylene with minimal acetylene by-product formation using amorphous carbon supported metal catalyst without supplying hydrogen to reactor |
10/13/1999 | EP0949198A1 Apatite slurry and process for the preparation thereof |
10/13/1999 | EP0948506A1 Cyanophosphonate derivatives |
10/13/1999 | EP0948326A2 Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide |
10/13/1999 | CN1231265A Process for preparing potassium dihydrogen phosphate and boric acid |
10/13/1999 | CN1045576C Process for preparing industrial ammonium phosphate and series compound fertilizer |
10/06/1999 | EP0946412A1 A microporous crystalline silico-alumino-phosphate composition, catalytic material comprising said composition and use of these for production of olefins from methanol |
10/06/1999 | CN1045423C Method for producing feed calcium hydrogen phosphate |
10/05/1999 | US5962028 Carbonated hydroxyapatite compositions and uses |
09/30/1999 | WO1999048809A1 Method for preparing a biomaterial based on hydroxyapatite, resulting biomaterial and surgical or dental use |
09/29/1999 | EP0944550A1 LiPF 6 PRODUCTION PROCESS |
09/28/1999 | US5959124 Subjecting butane to partial vapor phase oxidation with a molecular oxygen containing gas in presence of vandium-phosphorus oxide catalyst having specific x-ray diffraction spectrum |
09/28/1999 | US5958977 Phosphoric acid-amino acid complex salt and additive composition containing the salt and used in feed for ruminant mammals |
09/21/1999 | US5955047 Heating a solution of solvent, alkali metal ions, phosphate ions with organic matter and air |
09/15/1999 | EP0701532B1 Controlled release potassium divalent metal phosphate fertilizer |
09/14/1999 | US5953678 Thorium phosphates, method for preparing same, and use thereof for storing radioactive materials |
09/14/1999 | US5952010 Paste compositions capable of setting into carbonated apatite |
09/14/1999 | US5951958 Method for the preparation of rare earth phosphate of low overstoichiometric phosphorous content |
09/14/1999 | US5951831 Microwave radiation to heat phosphoric acid or it's salts to activate the polymerization, forming inorganic polyphosphoric acid |
09/10/1999 | WO1999044941A1 Method for producing highly pure lithium salts |
09/10/1999 | CA2322544A1 Method for producing highly pure lithium salts |
09/09/1999 | DE19809420A1 Verfahren zur Herstellung von hochreinen Lithiumsalzen A process for producing high purity lithium salts |
09/02/1999 | WO1999043612A1 Process and apparatus for preparation of phosphorus oxyacids from elemental phosphorus |
09/02/1999 | CA2322740A1 Process and apparatus for preparation of phosphorus oxyacids from elemental phosphorus |
09/01/1999 | EP0938449A1 Method for producing a suspension of hydroxylapatite |
09/01/1999 | EP0938268A1 Edible preservative and acidulant composition |
08/31/1999 | US5945000 Nanofiltration |
08/31/1999 | US5944879 Nickel hypophosphite solutions containing increased nickel concentration |
08/18/1999 | EP0688202B1 Calcium phosphate hydroxyapatite precursor and methods for making and using the same |
08/17/1999 | US5939039 Methods for production of calcium phosphate |
08/17/1999 | CA2003351C Method of preparing heteropolyacid catalysts |
08/12/1999 | WO1999040025A1 Novel materials useful as electrolytic solutes |
08/11/1999 | EP0910546A4 Spherical hydroxyapatite particles and process for the production thereof |
08/11/1999 | CN1044594C Method for prodn. of fodder grade calcium hydrogen phosphate |
08/10/1999 | US5935542 Herbicides, insecticides, fertilizers, flame retardants, plasticizers |
08/10/1999 | US5935541 Process for manufacture of lithium hexafluorophosphate |
08/04/1999 | EP0933452A2 Process for producing hydroxyapatite fibers |
08/04/1999 | CN1044460C Method for producing toothpaste grade calcium hydrophosphate |
08/04/1999 | CN1044459C Process for producing feed of calcium phosphate by agglutinating method |
08/04/1999 | CN1044458C Method for producing calcium dihydrogen phosphate as feed |
07/28/1999 | EP0931361A1 Lithium-containing, lithium-intercalating phosphates and their use as the positive or negative electrode material in a lithium secondary battery |
07/28/1999 | CN1223962A Method for preparing feed class calcium hydrogen phosphate by one-step defluorinating |
07/20/1999 | US5925397 Baking mix with leavening and heating |
07/14/1999 | EP0928632A2 Synthesis of a linear phosphonitrilic chloride catalyst |
07/13/1999 | US5922297 Silicophosphate compounds and method of making same |
07/08/1999 | WO1999033945A1 A process for making a phosphate material |
07/01/1999 | WO1999032401A1 Method for the preparation of carbonated hydroxyapatite compositions |
07/01/1999 | WO1999032400A1 Process for the preparation of magnesium and carbonate substituted hydroxyapatite |
06/29/1999 | US5916993 Synthesis of a linear phosphonitrilic chloride catalyst |
06/24/1999 | DE19851768A1 Verfahren zur Herstellung von Dialkylphosphinsäuresalzen Process for the preparation of dialkylphosphinic salts |
06/23/1999 | CN1220236A Process for producing high effective phosphorus calcium hydrogen phosphate |
06/23/1999 | CN1220235A Preparation of feed synthos by using slurry concentration defluorinating method |
06/16/1999 | EP0922488A2 Composite solid particle and a method for producing same |
06/16/1999 | CN1219503A Pasty hydroxy apatite and its manufacturing method |
06/15/1999 | US5911962 Process for the purification of phosphorus oxychloride |
06/15/1999 | US5911921 Non-stoichiometric ytterbium phosphate powder of low infrared reflectivity |
06/10/1999 | WO1999028329A1 Method for producing dialkylphosphinic acid salts |
06/09/1999 | EP0817757B1 Novel thorium phosphates, method for preparing same, and use thereof for storing radioactive materials |
06/08/1999 | US5910382 Cathode of mixed oxide containing lithium, phosphorus and transition metal |
06/08/1999 | US5910257 Purifying, removing the radioactive impurities in phosphoric acid by dipping a semiconductor into the heated phosphoric acid, the radioactive deposit on semiconductor |
06/03/1999 | WO1999027006A1 Light-converting material and composition for producing the same |
06/03/1999 | CA2312871A1 Light-converting material and composition for producing the same |
06/02/1999 | CN2321772Y Sulfuric acid phosphoric acid mixing acid cooling device |
06/02/1999 | CN1218003A Process for extracting sulfates from low grade powder of phosphorous ores |
06/02/1999 | CN1043521C Method and apparatus for tower wet production process of concentrated phosphoric acid |
06/01/1999 | CA2072352C Synthetic porous crystalline material, its synthesis and use |
05/26/1999 | CN1217705A Wet-process technique for refiining phosphoric acid |
05/26/1999 | CN1217296A Gallium arsenide, gallium phosphide backing dry treatment method |
05/18/1999 | US5904906 Reactor and plant for manufacturing ammonium salts |
05/12/1999 | EP0879212A4 A method for extracting antimony from elemental phosphorus |
05/12/1999 | EP0852566B1 Method for preparing nickel hypophosphite |
05/06/1999 | WO1999021938A1 Use as phosphor dot in a plasma or x-ray system of a lanthanum phosphate comprising thulium |
05/06/1999 | EP0912095A1 Phosphate composition and its utilization |
05/06/1999 | CA2307132A1 Use as phosphor dot in a plasma or x-ray system of a lanthanum phosphate comprising thulium |
05/05/1999 | CN1043213C Method for extracting phosphoric acid by hydrochloric acid method |
05/04/1999 | US5900254 First part: partially neutralized phosphoric acid, a calcium phosphate source, and calcium carbonate; second part: aqueous lubricant containing sodium phosphate or sodium carbonate. set in situ to serve as a support structure, filler or prosthesis. |
04/28/1999 | EP0910546A1 Spherical hydroxyapatite particles and process for the production thereof |
04/27/1999 | US5897848 Mixing sodium hypophosphite and nickel sulfate to produce sodium sulfate and nickel hypophosphite, separating nickel hypophosphite from waste stream containing sodium sulfate, cooling to crystallize out sodium sulfate, recycling waste |