| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
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| 11/30/1983 | EP0094983A1 Process for removing transition metal ions from an aqueous solution with a reticular ion exchange resin containing a crystalline transition metal aluminate |
| 11/29/1983 | US4418048 Aluminophosphorus compounds |
| 11/23/1983 | EP0094919A2 Ion exchange inorganic films made up of layered structure insoluble acid salts of tetravalent metals and/or their derivatives and process for the preparation of the same |
| 11/23/1983 | EP0094630A1 Process for the removal of cadmium from crude phosphoric acid obtained by decomposition of phosphatic ores by means of sulfuric acid |
| 11/22/1983 | CA1157455A1 Preparation of vanadium phosphorus catalysts using olefinic oxygenated organic reaction media |
| 11/16/1983 | EP0093952A1 Process for reducing phosphate ore |
| 11/15/1983 | US4415545 Crystallization of silicon, a metal or intermetallic by desolventizing with an etching gas |
| 11/15/1983 | US4415543 Washing with water; heating; roasting; defluorination; desulfurization |
| 11/15/1983 | US4415473 Graphite-transition metal carbonyl |
| 11/15/1983 | US4415472 Synergistic antifoam agents; treating phosphate rock |
| 11/10/1983 | WO1983003818A1 Phosphate ore beneficiation |
| 11/08/1983 | US4414187 And a lanthanide or actinide compound |
| 11/08/1983 | CA1156469A1 Strengthening phosphate shale briquettes |
| 11/08/1983 | CA1156435A1 Decolorization of elemental yellow phosphorus |
| 11/08/1983 | CA1156427A1 Method of purifying phosphoric acid of heavy metals |
| 11/08/1983 | CA1156426A1 Production of phosphorus pentoxide with utilization of reaction heat |
| 11/01/1983 | US4413146 Hydroformylation, propylene, hydrogen, carbon monoxide |
| 11/01/1983 | US4412979 Phosphorus, metal, halogen catalyst |
| 10/25/1983 | US4411876 Process for the manufacture of trimagnesium phosphate octahydrate of high purity |
| 10/25/1983 | US4411811 Clarification of black phosphoric acid with phosphoric acid rinse water |
| 10/25/1983 | CA1155633A1 Process for producing hydroxyapatite |
| 10/25/1983 | CA1155632A1 Asbestiform crystalline calcium sodium or lithium phosphate, preparation and compositions |
| 10/12/1983 | EP0091043A1 Method of separating heavy metal compounds from intermediate products of phosphatic fertilizer manufacture |
| 10/11/1983 | US4409194 Aging, precipitation |
| 10/11/1983 | US4409128 Oxidation catalyst, especially for the preparation of methacrylic acid by gas phase oxidation of methacrolein |
| 10/04/1983 | US4407725 Used to absorb humates from wet process phosphoric acid |
| 09/27/1983 | CA1154423A1 Catalyst structure for the partial oxidation of n- butane to produce maleic anhydride |
| 09/20/1983 | US4405784 Strontium hydrogen phosphate as acid catalyst for cyclization of hydroxyethylpiperazine, aminoethylpiperazine or ethanolamine |
| 09/20/1983 | US4405575 Method of defluorinating phosphates |
| 09/20/1983 | US4405572 Recovery of molybdenum |
| 09/14/1983 | EP0088266A1 Process for the preparation of alkali-hypophospite solutions |
| 09/14/1983 | EP0088265A1 Chain ammonium polyphosphates, substantially water-insoluble, and method for their production |
| 09/13/1983 | CA1153534A1 Process for the preparation of phosphorus pentachloride |
| 09/06/1983 | US4402926 Process for producing chlorinated trisodium phosphate |
| 09/06/1983 | US4402923 Recycling mineral acid waste water |
| 09/06/1983 | US4402920 Anionic hydrolyzed polyacrylamide flocculant |
| 09/06/1983 | US4402919 Precipi-tating aluminum phophate with heat and pressure |
| 08/31/1983 | EP0087323A1 A process to manufacture commercially acceptable phosphoric acid and gypsum from rock phosphate |
| 08/31/1983 | EP0087065A1 Process for the reduction of the heavy metal content in raw phosphate |
| 08/31/1983 | EP0086876A2 Preparation of white calcium phosphates from offcolored lime |
| 08/23/1983 | US4400365 Method for the manufacture of aluminum zinc phosphate hydrates or basic aluminum zinc phosphate hydrates |
| 08/17/1983 | EP0086118A1 Process for the purification of wet process phosphoric acid |
| 08/17/1983 | EP0085780A1 Process for making self-extinguishing, by means of red phosphorus synthetic thermoplastic materials and products so obtained |
| 08/16/1983 | US4399114 Process for the dearsenification of polyphosphoric acid |
| 08/16/1983 | CA1151838A1 Process for recovering a uranium-containing concentrate and purified phosphoric acid |
| 08/10/1983 | EP0085344A2 Process for the removal of heavy metal ions from wet process phosphoric acid |
| 08/10/1983 | EP0085343A2 Process for the purification of wet-process phosphoric acid |
| 08/09/1983 | US4397826 Method of producing phosphorus pentoxide in a kiln with reduced carbon burnout |
| 08/09/1983 | CA1151394A1 Method of producing crystalline sodium aluminum phosphate |
| 08/09/1983 | CA1151393A1 Process for the manufacture of finely dispersed sparingly soluble salts of oxyacids of phosphorus |
| 08/02/1983 | US4396725 Process for preparing olivine sand cores and molds |
| 08/02/1983 | US4396586 Ammoniation of phosphates |
| 08/02/1983 | US4396581 Apparatus for making phosphorus pentasulfide |
| 08/02/1983 | CA1151323A1 Process for the chemical removal of phosphorus compounds from waste water and process for the purification of waste water |
| 07/27/1983 | EP0084192A2 Crystals for altering the frequency of an incident optical wave and apparatus and methods for using same |
| 07/27/1983 | EP0084115A2 Hydrothermal crystal growing process |
| 07/26/1983 | US4395387 Solid state synthesis of aluminum hydroxide and ammonium phosphate |
| 07/19/1983 | US4394361 Method of purifying phosphoric acid |
| 07/19/1983 | US4394360 Process for reducing iron in phosphoric acid solution |
| 07/19/1983 | US4394359 Process for making granulated condensed phosphates |
| 07/19/1983 | US4394358 In the presence of water and ammonium polyphosphate |
| 07/19/1983 | CA1150232A1 Mixed vanadium phosphorus oxide catalysts and preparation thereof |
| 07/19/1983 | CA1150227A1 Process for producing tertiary-butylstyrene |
| 07/19/1983 | CA1150034A1 Preparation of granular sodium tripolyphosphate hexahydrate with low friability |
| 07/12/1983 | US4393263 Catalytic oxidative dehydrogenation of tert-butyl ethylbenzene |
| 07/12/1983 | US4393032 Initial acidification with aqueous phosphoric acid |
| 07/12/1983 | US4393030 Desliming |
| 07/12/1983 | US4392984 Olefin oligomerization catalysts and a process for their preparation |
| 07/12/1983 | US4392979 Complexing, ion exchanging, spinels |
| 07/12/1983 | US4392962 Process for separating metals from aqueous solutions |
| 07/12/1983 | US4392961 Magnesium aluminate anion exchangers |
| 07/05/1983 | US4391784 Foam control during production of phosphoric acid |
| 07/05/1983 | US4391783 Process for making abrasion-resistant sodium tripolyphosphate |
| 07/05/1983 | CA1149369A1 Catalytic process for producing tertiary-butylstyrene |
| 07/05/1983 | CA1149368A1 Tertiary-butylstyrene production |
| 07/05/1983 | CA1149366A1 Production of tertiary-butylstyrene |
| 07/05/1983 | CA1149365A1 Catalyst and process for production of tertiary- butylstyrene |
| 06/28/1983 | US4390509 Process for manufacturing ammonium phosphate utilizing an oxalic acid acidulating process |
| 06/28/1983 | US4390507 Process for recovering yttrium and lanthanides from wet-process phosphoric acid |
| 06/23/1983 | WO1983002111A1 Process for reducing radioactive contamination in phosphogypsum |
| 06/23/1983 | WO1983002107A1 Phosphoanhydrite process |
| 06/21/1983 | US4389384 Process for reducing phosphate ore |
| 06/21/1983 | US4389380 Multiple-stage thermal beneficiation process for phosphate ores |
| 06/21/1983 | CA1148527A1 Phosphorus-vanadium-oxygen catalyst precursors and catalysts |
| 06/21/1983 | CA1148328A1 Increased production of wet process phosphoric acid by gelatin addition |
| 06/14/1983 | US4388292 Process for reducing radioactive contamination in phosphogypsum |
| 06/07/1983 | US4386503 Method and apparatus for controlling and optionally regulating the level of liquid P2 S5 in a cooling device |
| 06/01/1983 | EP0080372A2 Process for removal of residual organic matter and color from purified phosphoric acid |
| 05/31/1983 | US4386059 Zinc hydroxy phosphite complex |
| 05/31/1983 | US4385993 Method and apparatus for folded moving bed ion exchange system |
| 05/31/1983 | CA1147288A1 Process for recovering uranium contained in a non pure phosphoric acid |
| 05/24/1983 | US4385041 Oxidation of alkali phosphite in presence of catalyst |
| 05/24/1983 | US4385040 Hydration |
| 05/24/1983 | US4385036 Process of obtaining uranium and uranium compounds from phosphoric acid |
| 05/24/1983 | CA1146722A1 Energy recovery method and system for combined sulphuric and phosphoric acid manufacturing plant |
| 05/24/1983 | CA1146721A1 Positive active substance for a non aqueous electrolyte electrochemical generator, method for preparing above substance and electrochemical generator using it |
| 05/18/1983 | EP0079190A2 The removal of solids from wet process phosphoric acid |
| 05/18/1983 | EP0078880A1 Method of making a condensed aluminium phosphate |
| 05/17/1983 | US4383847 Production of fluid fertilizer from phosphorus furnace waste stream |
| 05/10/1983 | US4382876 Method for producing catalysts for gas phase oxidation of saturated and/or unsaturated C4 -hydrocarbons to maleic anhydride |