| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
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| 12/04/1979 | US4177243 Addition of sodium naphthaleneformaldehyde sulfonate |
| 11/20/1979 | US4175111 Decomposing to red phosphorus and hydrogen |
| 11/15/1979 | WO1979000920A1 High capacity folded moving bed ion exchange apparatus and method for treating phosphoric acid and the like |
| 11/14/1979 | EP0005173A1 Process and device for discharging molten phosphorus pentasulphide from a reactor. |
| 11/13/1979 | US4174376 Phosphate rock, ammonium bisulfate, sulfuric acid and water |
| 11/13/1979 | CA1066020A1 Process for obtaining pure orthophosphoric acid from superphosphoric acid |
| 11/06/1979 | US4173621 Process for improving the reactivity of phosphorus pentasulfide |
| 11/06/1979 | CA1065582A1 Installation and process for the production of yellow phosphorus |
| 10/31/1979 | EP0004974A2 Process for producing a single crystal of KTiOPO4 or its analogues |
| 10/31/1979 | EP0004883A2 Process for the preparation of free-flowing inorganic ammonium and alkali salts |
| 10/30/1979 | CA1065119A1 Production of phosphine |
| 10/23/1979 | US4172115 Dehydration, desulfurization |
| 10/23/1979 | US4172084 Mixed oxides of vanadium and phosphorus |
| 10/17/1979 | EP0004807A2 Regeneration of carbon employed in the wet process production of phosphoric acid |
| 10/17/1979 | EP0004792A2 Moving bed ion exchange method |
| 10/16/1979 | US4171342 Recovery of calcium fluoride from phosphate operation waste water |
| 10/09/1979 | CA1063778A1 Method of pan granulation |
| 10/03/1979 | EP0004403A1 A sodium zirconium carbonate compound and the method of its preparation |
| 10/03/1979 | EP0004305A1 Stabilized red phosphorus |
| 10/02/1979 | US4169882 Purification of phosphoric acid with oxalic acid |
| 10/02/1979 | US4169881 Process for removing dissolved silica from extracted phosphoric acid |
| 10/02/1979 | US4169796 Processing of dicalcium phosphate and sodium montmorillonite |
| 09/11/1979 | US4167436 Process of preparing crystals of compounds and alloys |
| 09/05/1979 | EP0003907A1 Chemical process on the surface of a rotating body, the subsequent discharging of the reaction product and the reactor used |
| 09/05/1979 | EP0003906A1 Chemical process on the surface of a rotating body with subsequent discharge of the reaction product |
| 09/04/1979 | US4166840 Antiscaling |
| 09/04/1979 | US4166839 Method for producing calcium phosphates |
| 08/28/1979 | CA1061081A1 Production of alkali metal phosphate slutions of low vanadium content |
| 08/21/1979 | CA1060631A1 Method and apparatus for producing calcium phosphates |
| 08/14/1979 | US4164550 Nonsettling, aluminum silicates |
| 08/08/1979 | EP0003266A1 Apparatus for contacting solid particles with a liquid; apparatus and process for the production of phosphoric acid |
| 08/07/1979 | US4163682 Method for disposing of red phosphorus composition |
| 07/31/1979 | CA1059292A1 Process for continuous conversion of liquid white phosphorus to red phosphorus in agitated slurry |
| 07/26/1979 | WO1979000457A1 Apparatus for contacting solid particles with a liquid apparatus and process for the production of phosphoric acid |
| 07/24/1979 | US4162300 Production of Maddrell salt |
| 07/24/1979 | US4162293 Apparatus for preparation of a compound or an alloy |
| 07/24/1979 | CA1058827A1 Method of preparing galliumphosphide |
| 06/19/1979 | US4158699 Electrothermal furnace |
| 06/13/1979 | EP0002282A1 Method for producing sodium tripolyphosphate |
| 06/05/1979 | US4157378 Dicalcium phosphate dihydrate reacted with hydrogen fluoride |
| 05/29/1979 | CA1055467A1 Hydrocarbon conversion catalyst comprising alumina and aluminum phosphate |
| 05/29/1979 | CA1055419A Purification of phosphoric acid |
| 05/29/1979 | CA1055246A1 Hafnium pyrophosphate phosphors and methods of preparation |
| 05/15/1979 | US4154805 Extraction with hydrogen chloride and adsorption with ion exchange resin |
| 05/15/1979 | US4154800 Sulfur trioxide, sulfuric acid, sulfur dioxide |
| 05/15/1979 | US4154799 Dicalcium phosphate manufacture |
| 05/08/1979 | US4153465 Paints |
| 05/02/1979 | EP0001589A1 Process for recovering phosphane and methyl phosphane |
| 05/01/1979 | US4152405 Co-current absorber for recovering inorganic compounds from plant effluents |
| 05/01/1979 | US4152403 Production of red phosphorus |
| 05/01/1979 | US4152402 Partial purification of wet-process phosphoric acid with acetone and ammonia |
| 05/01/1979 | US4152398 Heat treatment, granulation |
| 05/01/1979 | US4152397 Method for the conversion of phosphate rock containing magnesium into phosphoric acid and a mixture of magnesium and calcium carbonates |
| 05/01/1979 | US4152138 Method for separating a mixture of molten oxidized ferrophosphorus and refined ferrophosphorus |
| 05/01/1979 | CA1053442A1 Method for preparing alkali metal orthophosphates and ammonia |
| 05/01/1979 | CA1053441A1 Method for preparing alkali metal orthophosphates and ammonia in a single step |
| 04/24/1979 | US4151259 Use of oil-water emulsions in a hydrothermal process |
| 04/24/1979 | CA1052978A1 Manufacture of solid ammonium phosphate |
| 04/17/1979 | US4149989 Process for producing phosphors |
| 04/17/1979 | US4149894 Process for producing an apatite powder having improved sinterability |
| 04/10/1979 | CA1052071A1 Preparation of zirconium phosphate for ion exchange |
| 04/03/1979 | US4147758 Aluminum hydroxide, polyphosphoric acid, dehydration by annealing |
| 04/03/1979 | US4147757 Method for producing ammonium phosphate which is substantially free of arsenic |
| 03/27/1979 | US4146575 Preparation of sodium tripolyphosphate |
| 03/27/1979 | US4146574 Hydrothermally reacting oxides of molybdenum, vanadium, phosphorous and optionally, tungsten |
| 03/13/1979 | CA1050234A1 Aluminum metaphosphate source body for doping silicon |
| 03/06/1979 | US4143121 Continuous production of pure phosphine |
| 03/06/1979 | US4142944 Mercury drop electrode |
| 03/06/1979 | CA1049746A1 Method for preparing monocalcium phosphate compositions with reduced caking tendencies |
| 02/27/1979 | US4141958 Phosphate rock reacted with sulfuric acid; dissociation |
| 02/21/1979 | EP0000698A1 Apparatus for preparing hexagonal phosphorous pentoxide |
| 02/20/1979 | US4140748 Hemihydrate type phosphoric acid process with crystal modifier |
| 02/20/1979 | CA1048770A1 Method for inhibiting spontaneous ignition in phosphides developing hydrogen phosphides |
| 02/13/1979 | US4139612 Process for making an aluminum phosphate gel |
| 02/13/1979 | US4139599 Process for preparing dicalcium phosphate dihydrate having a portion of the calcium displaced by divalent metal ion |
| 02/13/1979 | CA1048389A1 Peroxide acceleration with phosphate neutralization |
| 02/06/1979 | US4138261 Hardeners for use in water-glass cement compositions and process for making them |
| 02/06/1979 | CA1047734A1 Method of manufacturing wet process phosphoric acid |
| 01/23/1979 | US4136199 Metallic ion removal from phosphoric acid |
| 01/23/1979 | US4136155 From phosphorus and steam in presence of carbon catalyst and ammonia |
| 01/23/1979 | US4136154 Stabilized red phosphorus and process for making it |
| 01/23/1979 | US4136151 Phosphoric acid production |
| 01/16/1979 | US4134964 A calcium compound and an alkali metal, silicic acid or sulphide compound as a precipitating agent |
| 01/16/1979 | US4134963 Spraying with water, calcining agglomeration |
| 01/16/1979 | US4134962 Reducing vanadium and chromium content, neutralization, reacting precipitate with iron/ii/ salt |
| 01/16/1979 | US4134514 Liquid source material container and method of use for semiconductor device manufacturing |
| 01/16/1979 | CA1046243A1 Process for preparing medium density granular sodium tripolyphosphate |
| 01/09/1979 | CA1045784A1 Preparation of pyrophosphates |
| 01/02/1979 | US4132765 Recovery of fluoride values |
| 01/02/1979 | US4132760 Hemihydrate type phosphoric acid process using reduced pressure |
| 01/02/1979 | US4132540 Process for removing solvent from the raffinate of extracted phosphoric acid and for preparing phosphate salts |
| 01/02/1979 | CA1045339A1 Process and apparatus for purifying wet-processed phosphoric acid |
| 12/26/1978 | CA1045258A1 Recovery of fluorine and phosphate values from waste water |
| 12/19/1978 | US4130630 Process of stabilization of anhydrous dibasic calcium phosphate against fluorine ions with cyclic aminophosphonic acids |
| 12/19/1978 | CA1044437A1 Process for manufacturing of phosphoric acid |
| 12/05/1978 | US4128620 Production of phosphine |
| 12/05/1978 | CA1043536A1 Method of defluorinating phosphoric acid |
| 12/05/1978 | CA1043535A1 Process for the preparation of purified phosphoric solutions from phosphoric acid in a wet way |
| 12/05/1978 | CA1043534A1 Process for the production of iii a - v b compounds |
| 11/28/1978 | US4127640 Purification of phosphoric acid by solvent extraction using hexanones |