| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
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| 06/02/1993 | CN1072653A Producing method for calcium hydrogen phosphate |
| 06/01/1993 | US5215731 Compacting sodium tripolyphosphate fines with dried sodium orthophosphate salt, calcination |
| 05/27/1993 | WO1993010040A1 Automatic control system for a phosacid attack tank and filter |
| 05/27/1993 | WO1993009849A1 Immobilisation of metal contaminants from a liquid to a solid medium |
| 05/27/1993 | CA2123309A1 Immobilisation of metal contaminants from a liquid to a solid medium |
| 05/27/1993 | CA2123299A1 Automatic control system for a phosacid attack tank and filter |
| 05/26/1993 | EP0543065A1 High density leucite and/or pollucite based ceramics from zeolite |
| 05/26/1993 | CN1020885C Preparation of tricacium phosphate |
| 05/25/1993 | US5213783 Process for producing finely divided particles of ii type ammonium polyphosphate |
| 05/25/1993 | US5213140 Method and apparatus for filling drums with immiscible liquids such as white phosphorus and water |
| 05/25/1993 | CA1318261C Method of purifying and depositing group iiia and group va compounds to produce epitaxial films |
| 05/19/1993 | EP0542359A1 Ammonium polyphosphate microencapsulated with aminoplastic resins |
| 05/19/1993 | EP0541687A1 Intimate mixture of calcium and phosphate sources as precursor to hydroxyapatite. |
| 05/19/1993 | EP0521849A4 Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom |
| 05/19/1993 | DE4137788A1 Removing sulphur impurity from phosphorus |
| 05/19/1993 | DE4137787A1 Phosphorus@ purificn. to give low sulphur content - by mixing with sulphuric acid, diluting to separate emulsion and immediately sepg. phosphorus@ and acid |
| 05/18/1993 | US5211928 Method of improving gypsum slurry filtration in the production of phosphoric acid |
| 05/15/1993 | CA2082873A1 Ammonium polyphosphate microencapsulated with aminoplastic resins |
| 05/12/1993 | EP0539517A4 Crystalline molecular sieve composition |
| 05/05/1993 | EP0539517A1 Crystalline molecular sieve composition. |
| 05/05/1993 | CN1071641A Fine phosphate preparing from inositol dregs |
| 05/04/1993 | US5208000 Materials handling |
| 04/29/1993 | WO1993008122A1 Contrast agents and compositions for radiological imaging, and radiological imaging method utilizing same |
| 04/29/1993 | WO1993007905A2 Treated apatite particles for medical diagnostic imaging |
| 04/29/1993 | CA2121901A1 Contrast agents and compositions for radiological imaging, and radiological imaging method utilizing same |
| 04/29/1993 | CA2120130A1 Treated apatite particles for medical diagnostic imaging |
| 04/28/1993 | EP0538958A1 Crystalline aluminophosphates and related compounds |
| 04/28/1993 | CN1071394A Method for recovering yellow phosphorus from phosphorated mud |
| 04/27/1993 | US5205928 Process for the preparation of microspherical sintered bodies of hydroxyapatite and a chromatographic packing material comprising the microspherical sintered bodies of hydroxyapatite |
| 04/25/1993 | CA2081162A1 Crystalline aluminophosphates and related compounds |
| 04/21/1993 | EP0537475A1 Process for the preparation of ammonium polyphosphate |
| 04/21/1993 | EP0293439B1 Semi-insulating group iii-v based compositions |
| 04/18/1993 | WO1993008613A1 Ionic conductors for solid oxide fuel cells |
| 04/18/1993 | CA2097301A1 Ionic conductors for solid oxide fuel cells |
| 04/15/1993 | WO1993006923A1 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions |
| 04/14/1993 | EP0536466A1 Process for the removal of cadmium from solutions of phosphoric acid |
| 04/14/1993 | EP0536224A1 Antiviral agents containing heteropolytungstate |
| 04/14/1993 | EP0536196A1 Method and apparatus for generating phosphine, and safety system for phosphine generators |
| 04/12/1993 | CA2067263A1 Process for the removal of cadmium from solutions of phosphoric acid |
| 04/06/1993 | CA1315694C Process for the preparation of a hydroxyl apatite material |
| 03/31/1993 | EP0534289A1 Coloured crystalline alumophosphates or silicoalumophosphates of AEL or VFI type |
| 03/31/1993 | EP0531364A4 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type |
| 03/30/1993 | US5198202 Continuous production of tetraphosphorus polysulfides |
| 03/30/1993 | US5198088 Apparatus for the preparation of alkali metal monofluorhosphates |
| 03/24/1993 | EP0533121A1 Improvements in or relating to red phosphorus |
| 03/23/1993 | US5196238 Method for forming a cermet porous ceramic compact and heating the metal so that it melts and flows into the pores of the ceramic |
| 03/18/1993 | WO1993004585A1 Herbicidal compositions |
| 03/18/1993 | CA2116660A1 Herbicidal compositions |
| 03/17/1993 | EP0531364A1 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type |
| 03/10/1993 | EP0530409A1 Production of low-chloride alkali metal phosphates |
| 03/09/1993 | CA1314128C Method for preparing gaseous metallic fluoride |
| 02/25/1993 | DE4128063A1 Condensed rare earth poly-phosphate prodn. esp. for optical glass mfr. - involves mixing oxide with poly-phosphoric acid, adding urea to viscous mixt. and heating |
| 02/23/1993 | US5188812 Maintaining a desired concentration of phosphoric acid in the slurry of phosphoric acid and calcium phosphate by the addition of water |
| 02/17/1993 | EP0527401A2 Fire-proof gels, their method of manufacture and their use, in particular for fire-resistant glazings |
| 02/14/1993 | CA2075655A1 Fireproofing glazing containing specific gels and a process for their preparation |
| 02/09/1993 | US5185135 By gravity-assisted vacuum filtraiton; polymeric filtration aid |
| 02/02/1993 | US5183649 Loop process |
| 02/02/1993 | US5183211 Chemical aids for wet-grinding phosphate rock |
| 01/28/1993 | DE4124380A1 Melamine cyanurate-contg. mixts., useful as fire-retardant fillers - formed by heating melamine with alkaline earth metal di:hydrogen phosphate and neutralising it necessary with melamine or ammonia |
| 01/27/1993 | CN1068248A Production process of composite food swilling agent |
| 01/26/1993 | US5182251 Aminoalkylphosphonic acid containing ligands attached to solid supports for removal of metal ions |
| 01/26/1993 | US5182028 Monofluorophosphate for calcium carbonate scale control and iron and manganese stabilization |
| 01/20/1993 | EP0524034A1 Mixed lanthanum terbium and cerium phosphate, process for its preparation from insoluble rare earth salts |
| 01/20/1993 | EP0523812A1 A process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate |
| 01/20/1993 | CN1068097A Improvement of chemical processing property of phosphate rock by its composition adjustment |
| 01/20/1993 | CA2074134A1 Lanthanum, terbium and cerium phosphate; process for preparing the same from insoluble salts of rare earths |
| 01/19/1993 | US5180569 Process for the production of phosphoric acid and hydrogen fluoride from phosphate rock and fluosilicic acid |
| 01/19/1993 | US5180564 Process for the production of an aqueous suspension of hydroxylapatite |
| 01/19/1993 | CA2073996A1 Process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate |
| 01/14/1993 | DE4122960A1 Coarsely crystalline di:calcium phosphate anhydride prepn. - by adding milk of lime to aq. phosphoric acid in stirred zone at controlled rate, then cooling and filtering |
| 01/13/1993 | EP0522234A1 Method for extracting rare-earth elements from phosphate ore |
| 01/13/1993 | EP0521849A1 Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom. |
| 01/12/1993 | US5178846 Method for the preparation of wide-pore crystalline aluminophosphate molecular sieve |
| 01/12/1993 | US5178845 Intimate mixture of calcium and phosphate sources as precursor to hydroxyapatite |
| 01/07/1993 | EP0353256B1 Method of purifying and depositing group iiib and group vb compounds to produce epitaxial films |
| 01/07/1993 | DE4122448A1 New non toxic violet and blue pyro-phosphate pigment cpds., - prepd. from mixts. of alkali and ammonium oxide(s), hydroxide(s), and alkali and ammonium phosphate |
| 12/29/1992 | US5175374 Process for the separation of colloidal barium phosphate or colloidal barium sodium phosphate |
| 12/29/1992 | US5174975 Low temperature pyrolysis |
| 12/22/1992 | US5173454 Nanocrystalline materials |
| 12/22/1992 | US5173280 Method of clarifying phosphoric acid using high charge sulfonic-type polymers |
| 12/19/1992 | WO1992022335A1 Process for producing implant |
| 12/16/1992 | CN1019473B Technology for calcium bydrogen phosphate forage |
| 12/15/1992 | US5171548 Absorbing pentavalent vanadium complex on anion exchange resin; reducing to strip from resin; redox system; precipitating phospovanadic acid |
| 12/15/1992 | US5171452 Phosphoric acid wastewater treatment |
| 12/09/1992 | EP0517580A1 Process for the purification and recovery of orthophosphoric acid by liquid-liquid extraction |
| 12/02/1992 | EP0515880A1 High pore volume and pore diameter aluminium phosphate |
| 12/01/1992 | US5167961 Removal of all organic matter by heating with ammonia or amine and washing with water |
| 11/25/1992 | CN1066431A Stabilized aluminophosphate-based molecular sieve compositions |
| 11/25/1992 | CN1066430A Prodn. of calcium dihydrogen phosphate used for food puffing agent |
| 11/24/1992 | US5165904 Process for producing ammonium polyphosphate |
| 11/21/1992 | WO1992020444A1 Zinc phosphorous oxide and zinc arsenic oxide compositions |
| 11/21/1992 | CA2103370A1 Zinc phosphorous oxide and zinc arsenic oxide compositions |
| 11/18/1992 | CN1019093B Sodium dihydrogen phosphate salt and the method for making same |
| 11/18/1992 | CA2068782A1 Removal of vanadium from phosphoric acid |
| 11/11/1992 | EP0512026A1 Synthetic porous crystalline material its synthesis and use. |
| 11/11/1992 | CN1018995B Recovery of p2o5 values from phosphoric acid hemihydrate crystals |
| 11/11/1992 | CN1018994B Method and apparatus for producing phosphoric acid from phosphate ore |
| 11/11/1992 | CA2068268A1 High pore volume and pore diameter aluminum phosphate |
| 11/10/1992 | US5162076 Electrodialysis |
| 11/04/1992 | EP0511439A1 Stabilized APMS-54 composition |