| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
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| 04/21/1987 | CA1220771A1 Modification of molecular sieves by treatment with a silicon tetrafluoride gas mixture |
| 04/14/1987 | US4657559 Process for seed crystal preparation for phosphoric acid crystallization |
| 04/14/1987 | CA1220398A1 Method for solidifying waste slime suspensions |
| 04/08/1987 | EP0217614A2 Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing it |
| 04/07/1987 | US4656020 Redovering wastes; pollution control |
| 04/07/1987 | US4656019 Seeding the feed liquor |
| 04/07/1987 | US4655790 Dispersing seed crystals of orthophosphoric acid hemihydrate under agitation to form magma |
| 04/07/1987 | US4655789 Controlled seeding |
| 04/01/1987 | EP0216621A2 Calcium-phosphate type hydroxyapatite and process for producing it |
| 03/31/1987 | CA1219813A1 Evacuation and de-aeration process and device for sludges in an etching bath |
| 03/25/1987 | EP0215691A1 Process for the flux synthesis of crystals of the KTiOP04 type or monophosphate of potassium and titanyl |
| 03/25/1987 | EP0215606A2 Process for producing silanes |
| 03/25/1987 | EP0215336A1 High pore volume aluminum phosphate |
| 03/24/1987 | US4652380 Method of treating the arsenic containing filter media from phosphoric acid purification |
| 03/17/1987 | US4650587 Ammonia scavenger |
| 03/10/1987 | US4649035 Agglomeration, smelting, oxidation |
| 02/17/1987 | US4643883 Oxidizing impurities and adsorbing on active carbon |
| 02/17/1987 | US4643882 Process for recovery by a solvent of the uranium present in phosphoric acid |
| 02/10/1987 | US4642224 Process for reducing iron and vanadium in phosphoric acid solution |
| 02/04/1987 | EP0210769A1 Removal of arsenic from acids |
| 02/04/1987 | EP0210661A1 Granular anhydrous dicalcium phosphate compositions suitable for direct compression tableting |
| 02/04/1987 | CN86104740A Granular anhydrous dicalcium phosphate compositions suitable for direct compression tableting |
| 02/03/1987 | US4640828 Stripping silicon from acid, precipitating ralstonite from stripped acid and separating ralstonite from acid |
| 02/03/1987 | US4640824 Alkaline earth metal defluorination compound |
| 01/31/1987 | CN86101186A Process for peparing dihydropotassium phosphate |
| 01/29/1987 | DE3620642A1 Process for recovering elemental phosphorus from phosphorus-containing waste material |
| 01/28/1987 | EP0209920A1 Phosphoric acid crystallization process |
| 01/28/1987 | EP0209919A1 Process for seed crystal preparation for phosphoric acid crystallization |
| 01/27/1987 | US4639359 Process of removing cationic impurities from wet process phosphoric acid |
| 01/27/1987 | US4639331 Process for making pulverulent ammonium polyphosphates stable to hydrolysis |
| 01/27/1987 | CA1217180A1 Crystalline aluminophosphate compositions |
| 01/27/1987 | CA1217178A1 Titanium-containing molecular sieves |
| 01/27/1987 | CA1217025A1 Process for defluorinating alkali metal phosphate solutions |
| 01/27/1987 | CA1217024A1 Process and apparatus for making alkali metal polyphosphates |
| 01/24/1987 | CN85102137A Method of removing cadmium from raw phosphate |
| 01/20/1987 | US4637922 Method for removing organic materials from a wet process phosphoric acid |
| 01/20/1987 | US4637921 Process for producing ammonium polyphosphate |
| 01/17/1987 | CN85102898A Method for prepn. of kh2 po4 |
| 01/14/1987 | EP0208435A1 Activation of aluminum phosphates |
| 01/14/1987 | EP0208422A2 Process for the manufacture of monopotassium phosphate |
| 01/13/1987 | US4636372 Fertilizers |
| 01/13/1987 | US4636369 Acidification, aluminum and iron compounds |
| 01/10/1987 | CN85101026A Molecular sieve compositions |
| 01/07/1987 | EP0207707A2 Inorganic anion exchangers and preparation thereof |
| 01/07/1987 | EP0207245A2 Process for the manufacture of crystalline alkali metal aluminium phosphates |
| 01/07/1987 | CN85104949A Crystalline ferrophosphoaluminate and method of its synthesis |
| 01/07/1987 | CN85104945A Metallophosphoaluminates and their synthesis |
| 01/06/1987 | US4634580 Process for the purification of wet-process phosphoric acid by removal of cadmium |
| 12/30/1986 | US4632814 Process for stabilizing phosphoric acid |
| 12/30/1986 | US4632813 Untreated wet process phosphoric acid and ammonia at specific p205 concentrations, high temperature filtration sludge separation, crystallization |
| 12/30/1986 | US4632812 Process for making alkali metal phosphate solutions containing little vanadium |
| 12/30/1986 | EP0206799A2 Inorganic anion exchangers and preparation thereof |
| 12/30/1986 | EP0206022A2 Process for the treatment of heavy metal-containing residues issuing from the purification of raw phosphoric acids |
| 12/30/1986 | EP0205708A2 Production of potassium phosphate by ion exchange |
| 12/30/1986 | EP0205662A2 Stabilized and carried red phosphorus as flame-retardant agent for polymers |
| 12/30/1986 | EP0205622A1 Calcium-phosphorus type apatite having novel properties and process for its production |
| 12/30/1986 | CA1215816A1 Amorphous zirconium phosphosilicate and a process for preparing the same |
| 12/24/1986 | CN85108744A Production of potassium phosphates by ion exchange |
| 12/24/1986 | CN85103203A Quinary and senary molecular sieve compositions |
| 12/23/1986 | CA1215523A1 Purification of wet process phosphoric acid |
| 12/23/1986 | CA1215522A1 Treatment of concentrated phosphoric acid |
| 12/23/1986 | CA1215521A1 Catenated phosphorus materials, their preparation and use, and semiconductor and other devices employing them |
| 12/16/1986 | US4629656 Ion exchange inorganic films made up of layered structure insoluble acid salts or tetravalent metals and/or their derivatives, and process for the preparation of same |
| 12/16/1986 | US4629614 Process for decontaminating phosphoric acid |
| 12/16/1986 | CA1215211A1 Borate chloride polymerization catalysts |
| 12/10/1986 | CN85104782A Production of phosphoric acid by combustion of lean phosphorus mud |
| 12/10/1986 | CN85104781A Method of producing sodium dihydrophosphate from lean phosphorus mud |
| 12/10/1986 | CN85104780A Calcium hydrophosphate forage from ferrophosphorus |
| 12/10/1986 | CN85104779A Method of producing potassium ammonium dihydrophosphate from muddy phosphoric acid |
| 12/10/1986 | CN85103259A 分子筛组合物 Molecular sieve compositions |
| 12/02/1986 | US4627064 Mixed oxides for tunable lasers |
| 11/26/1986 | EP0202710A2 Zirconium phosphate and method for its preparation |
| 11/26/1986 | EP0202700A1 Phosphoric acid crystalization process |
| 11/25/1986 | CA1214314A1 Stabilization of red phosphorus |
| 11/20/1986 | WO1986006705A1 Disposable chemical container |
| 11/18/1986 | US4623528 Recovery of fluorine from waste gases |
| 11/18/1986 | CA1214020A1 Production of fluid fertilizer from phosphorus furnace waste stream |
| 11/12/1986 | CN85103677A Process for producing purified monoammonium phosphate from wet process phosphoric acid |
| 11/12/1986 | CN85102768A Production of phosphoric acid and phosphate by hydrochloric acid hydrolysis of phosphorus rock |
| 11/12/1986 | CA1213716A Stabilization of wet process phosphoric acid |
| 11/11/1986 | US4622310 Inorganic phosphate aerogels and their preparation |
| 11/06/1986 | WO1986006361A1 Preparing metal compounds, alloys and metals by pyrolysis |
| 11/05/1986 | EP0199912A2 Process for the manufacture of coarse-grained dicalcium phosphate dihydrate |
| 11/04/1986 | US4620968 Monoclinic phosphorus formed from vapor in the presence of an alkali metal |
| 11/04/1986 | US4620966 Precipitation of alkaline earth metal fluoride |
| 11/04/1986 | CA1213419A1 Stabilized red phosphorus and its use for flameproofing thermoplastic polyamide moulding compositions |
| 10/29/1986 | EP0199140A2 Hollow ball shaped alkaline polyphosphate with a low apparent density, method and installation for its preparation |
| 10/29/1986 | EP0199139A2 Process ad apparatus for the manufacture of alkali metalpolyphosphates in the form of hollow spheres having a low apparent density |
| 10/29/1986 | CN85103238A Cobalt-aluminum-phosphorus-silicon-oxide molecular sieve composition |
| 10/28/1986 | US4619819 Phosphoric acid composition |
| 10/28/1986 | US4619818 Ion exchangers |
| 10/22/1986 | CN85103260A Manganese-aluminum-phosphorus-silicon-oxide molecular sieve composition |
| 10/22/1986 | CN85103228A Magnesium-aluminum-phosphorus-silicon-oxide molecular sieve compositions |
| 10/22/1986 | CN85103199A Molecular sieve compositions |
| 10/21/1986 | US4618483 Heat recovery through oxidation of elemental phosphorus in a fluidized bed |
| 10/21/1986 | US4618345 Method of preparing high purity white phosphorus |
| 10/21/1986 | CA1212873A1 Organometallic chemical vapour deposition of films |
| 10/15/1986 | EP0197326A2 Process for manufacturing calcium hydrogen phosphate |
| 10/14/1986 | CA1212600A1 Hydrothermal crystal growing process |
| 10/14/1986 | CA1212513A1 Heat recovery in the manufacture of phosphorus acids |