Patents
Sitemap › C01 - Inorganic chemistry › C01B - Non-metallic elements; Compounds thereof › C01B 25 - Phosphorus; Compounds thereof
Patents for C01B 25 - Phosphorus; Compounds thereof (12,526)
10/1982
10/12/1982CA1133226A1 Process for removing color bodies from brown phosphoric acid
10/05/1982CA1132777A1 Apparatus for the production of phosphoric acid
09/1982
09/28/1982US4351813 Process for producing phosphorus pentoxide or phosphorus or phosphoric acid
09/28/1982US4351809 Process for reducing phosphate ore
09/28/1982US4351773 Preparation of maleic anhydride from butane using fluidized vanadium-phosphorous-oxide containing catalysts
09/28/1982CA1132335A1 Method for processing wastes resulting from production of phosphorus, namely, slime and off-gases, with utilisation of the resultant products
09/22/1982EP0060403A1 Process for the production of sodium triphosphate of high abrasion resistance
09/21/1982US4350671 Method of preparing phosphoric acid by a wet process
09/21/1982CA1131881A1 Process for producing hydrogen fluoride
09/14/1982US4349519 Purification of wet process phosphoric acid
09/14/1982US4349518 Continuous feeding calcium and phosphate ions while controlling ph
09/08/1982EP0059280A1 Preparation of granular sodium tripolyphosphate products
09/07/1982CA1131001A1 Calcium and magnesium phosphate hydrate as anticorrosion pigment
08/1982
08/31/1982US4347228 Silica gel catalyst
08/31/1982CA1130535A1 Oxidative control of post precipitation in phosphoric acid
08/24/1982US4346066 Purification of wet-process phosphoric acid
08/24/1982US4346065 Process for the manufacture of finely dispersed sparingly soluble salts of oxyacids of phosphorus
08/24/1982US4346028 Asbestiform crystalline calcium sodium or lithium phosphate, preparation and compositions
08/18/1982EP0057822A1 Process for producing granulated alkali orthophosphates
08/18/1982EP0057814A1 Hydrothermal process for synthesizing crystalline powders
08/18/1982EP0057773A1 Hydrothermal crystal growing process and apparatus
08/11/1982EP0057519A1 A method for increasing the filtration rate of the calcium sulphate crystals in the production of wet process phosphoric acid
08/10/1982US4343780 Process for the separation of solids from phosphoric acid
08/10/1982US4343779 Heating exterior of reactor by heat exchange, stripping sintered material from walls
08/10/1982CA1129437A1 Process for the froth flotation of calcium phosphate-containing minerals and flotation agents therefor
08/10/1982CA1129173A1 Phosphoric acid process
08/04/1982EP0056901A2 Preparation of fluidizable vanadium phosphorus oxide catalysts and use thereof in production of maleic anhydride
08/03/1982CA1128918A1 Catalyst compositions and their use for the preparation of methacrolein
08/03/1982CA1128729A1 Production of magnesium phosphide
07/1982
07/28/1982EP0056586A2 Method for manufacturing gallium phosphide single crystals
07/27/1982US4341739 Phosphoric acid ammoniation apparatus
07/27/1982US4341638 Purification of phosphoric acid
07/27/1982CA1128592A1 Method and apparatus for concentrating a liquid
07/27/1982CA1128292A1 Stabilized red phosphorus and process for its manufacture
07/27/1982CA1128291A1 Process and apparatus for making red phosphorus
07/27/1982CA1128286A1 Wet process phosphoric acid purification
07/27/1982CA1128285A1 Cis-diammineplatinum(ii) orthophosphate complexes
07/27/1982CA1128284A1 Production of sodium polyphosphate
07/21/1982EP0056183A2 Preparation of vanadium phosphorus catalysts using a mixed phosphorus source and use thereof in oxidation of C4-hydro-carbons to maleic anhydride
07/14/1982EP0056001A2 Chemical process on the surface of a rotating body with subsequent discharge of the reaction product
07/13/1982US4339416 Uranium recovery process
06/1982
06/29/1982US4337173 Solid-solution type crystalline oxides and their precursors
06/29/1982US4337079 Ammoniation in a pipe reactor; low temperature storage and handling; crystal growth inhibition
06/29/1982CA1126478A1 Production of stabilized wet process phosphoric acid
06/29/1982CA1126477A1 Process for preparing alkali metal aluminium phosphate and product produced thereby
06/29/1982CA1126476A1 Method for the production of potassium-magnesium- phosphate
06/23/1982EP0054333A1 A process of compacting fine particles of calcium phosphate and the compacts obtained thereby
06/23/1982EP0054267A1 Aluminium zinc phosphate hydrates, e.g. basic aluminium zinc phosphate hydrates, their preparation and their application as coating agents
06/23/1982EP0054196A1 Installation for the production of phosphorus pentasulfide
06/22/1982US4336198 Mixed oxides of phosphorus and vanadium
06/22/1982CA1125994A1 Chemical process on the surface of a rotating body
06/16/1982EP0053694A1 Process for reducing iron from a phosphoric-acid solution
06/15/1982US4335154 Method for preparing a baked product containing alkali metal aluminum phosphate
06/15/1982US4335086 Hydroxyapatite and its preparation
06/15/1982US4335085 Process for the preparation of phosphorus pentachloride
06/15/1982US4334907 Phosphoric acid ammoniation process to produce liquid fertilizers
06/15/1982CA1125474A1 Settling out suspended solids in phosphoric acid product solutions
06/09/1982EP0053409A1 Process for the recovery of a uranium-containing concentrate and phosphoric acid
06/09/1982EP0053271A1 Process for producing aqueous alkali metal phosphate solutions
06/08/1982US4333914 Method for making aluminum trimetaphosphates from powder reactants
06/08/1982US4333853 Mixed vanadium phosphorus oxide catalysts and preparation thereof
06/08/1982CA1124987A1 Method for the production of aluminium or magnesium phosphide
06/01/1982US4332779 Phosphoric acid filtration process
05/1982
05/26/1982EP0052508A1 Process for producing hydroxyapatite
05/26/1982EP0052253A2 Process for winning metals from aqueous solutions
05/26/1982EP0052217A1 Process for stabilizing by encapsulation red phosphorus to be used as flame retardant of polymeric materials and product so obtained
05/25/1982US4331642 Process for preparing aluminum or magnesium phosphide
05/25/1982CA1124031A1 Regeneration of activated carbon employed in the wet process production of phosphoric acid
05/19/1982EP0051999A1 Intercalated layered mixed oxides
05/19/1982EP0051997A1 Layered compounds of mixed oxides and Lewis bases
05/18/1982US4330517 Defluorination of wet process phosphoric acid
05/18/1982US4330516 Decolorization and purification of crude wet-process phosphoric acid
05/18/1982US4330515 Preparation of phosphorous acid from industrial waste material containing phosphites
05/18/1982US4330514 Decomposing calcium carbonate in an inert atmosphere
05/18/1982US4330504 Apparatus for making red phosphorus
05/18/1982US4330364 Vacuum evaporation, heat exchanging using the heat of formation from a sulfuric acid contact process
05/18/1982CA1123574A1 Purification of phosphoric acid
05/18/1982CA1123573A1 Process for the preparation of orthophosphorous acid and phosphine
05/11/1982US4329327 Heating aluminum hydroxide and ammonium phosphate
05/11/1982US4329326 Adding a sequestering agent to an aqueous solution, heating, and recrystallizing
05/11/1982CA1123171A1 Method for making b-form aluminum trimetaphosphate
05/05/1982EP0050976A1 Solid state electrolytes for electrochemical cells
05/04/1982US4328196 Production of alkali metal products from alkali metal fluosilicate
05/04/1982US4328193 Process for removing radium from monocalcium phosphate solutions by centrifugation
05/04/1982US4328033 Curable silicate composition containing metal condensed phosphate hardener coated with reaction product from a metal aluminate and/or a metal borate
04/1982
04/28/1982EP0050402A2 Preparation of vanadium phosphorus catalysts and use thereof in production of maleic anhydride
04/28/1982EP0050401A2 Preparation of vanadium phosphorus catalysts, catalysts so produced and use thereof in the production of maleic anhydride
04/27/1982US4327061 Recovering uanadium values or uranium values
04/27/1982US4326961 Magnesium aluminate anion exchangers
04/21/1982EP0049763A1 Process for producing long-chain ammonium polyphosphate
04/21/1982EP0049752A1 Process for producing a pulverulent monoaluminium orthophosphate
04/20/1982US4325928 Rock treatment process
04/20/1982US4325927 Purified monoammonium phosphate process
04/20/1982CA1121972A1 Re-post precipitation control
04/14/1982EP0049342A1 Process for the oxidation of organic phosphorus compounds
04/13/1982US4324774 Method for the manufacture of defluorinated phosphatic products
04/13/1982US4324773 Hydrothermal process and apparatus for synthesizing crystalline powders
04/13/1982US4324772 Process for producing hydroxyapatite
04/13/1982US4324768 Reaction of lead monoxide with acid in presence of hydroxylamine salt
04/13/1982US4324695 For shift conversion, hydrogenation, hydroformylation, methanation
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