| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
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| 03/26/1985 | US4507207 Process for the chemical removal of phosphorus compounds from waste water |
| 03/26/1985 | CA1184388A1 Process for the recovery of a uranium-containing concentrate and phosphoric acid and uranium- containing concentrate and phosphoric acid obtained by this process |
| 03/26/1985 | CA1184370A1 Process for reducing phosphate ore |
| 03/26/1985 | CA1184363A1 Low-halogen zinc ferrite pigments production and use |
| 03/20/1985 | EP0134732A1 Process for producing purified phosphoric acid, device therefor and product obtained |
| 03/19/1985 | US4505884 Removing calcium, precipitation of a fluoroaluminum phosphate, thermal decomposition |
| 03/12/1985 | CA1183829A1 Vanadium-hydrogen-phosphorus-oxygen catalytic material and fluid-bed catalysis process for making maleic anhydride |
| 03/06/1985 | EP0133718A2 Inorganic cation exchangers and the process for their preparation |
| 03/05/1985 | US4503032 Hydrogen-phosphide releasing compositions and their use |
| 03/05/1985 | US4503022 Active carbon catalyst |
| 03/05/1985 | US4503016 Process for extracting heavy metal ions from aqueous solutions |
| 03/05/1985 | CA1216412B Compacting calcium phosphate |
| 03/05/1985 | CA1183328A1 Compacting calcium phosphate |
| 02/27/1985 | EP0133490A2 Method of removing fluorine from wet process phosphoric acid |
| 02/26/1985 | US4501724 Method for the wet process manufacture of phosphoric acid |
| 02/26/1985 | US4501639 Process and device for making alkali metal phosphates by spraying alkali metal phosphate solutions or suspensions |
| 02/26/1985 | CA1182977A1 Method of defluorinating phosphates |
| 02/19/1985 | US4500651 Titanium-containing molecular sieves |
| 02/19/1985 | US4500502 Process for removing impurities from wet process of phosphoric acid |
| 02/14/1985 | WO1985000582A1 Stabilization of wet process phosphoric acid |
| 02/13/1985 | EP0133099A2 Process and apparatus for carrying out continuous exothermal gas producing reactions in the dry phase |
| 02/13/1985 | EP0132902A2 Recovery of uranium from wet process phosphoric acid by liquid-solid ion exchange |
| 02/13/1985 | EP0132708A2 Crystalline metal aluminophosphates |
| 02/12/1985 | CA1182273A1 Method for the production of aluminium or magnesium phosphide |
| 02/05/1985 | US4497075 Calcium hydroxy phosphate compound |
| 02/05/1985 | CA1181925A1 Phosphohemihydrate process for purification of gypsum |
| 01/29/1985 | US4496527 Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof |
| 01/29/1985 | US4496526 From phosphoric acid, potassium salts, and magnesium compounds |
| 01/23/1985 | EP0132188A1 Linear polychlorophosphazenes having dichlorothiophosphoryl end groups, process for their production and utilisation |
| 01/23/1985 | EP0131946A2 Crystalline ferroaluminophosphates |
| 01/23/1985 | EP0131876A2 Process and apparatus for removing organic impurities from wet process phosphoric acid |
| 01/23/1985 | EP0131848A2 Process for the elimination of foreign substances from the circulation of material in the electrothermic preparation of yellow phosphorus |
| 01/23/1985 | EP0131685A2 Synthetic expanded layered minerals and process for producing them |
| 01/22/1985 | US4495165 Pyrolysis of acid and cellulose, leaching and extraction |
| 01/22/1985 | US4495161 Energy recovery method and system for combined sulphuric acid and phosphoric acid manufacturing plant |
| 01/16/1985 | EP0131240A2 Process and apparatus for removing fluorine and organic compounds from pre-purified wet process phosphoric acid |
| 01/16/1985 | EP0131097A2 Process for the preparation of hydrolysis-proof powdery ammonium polyphosphates |
| 01/15/1985 | US4493820 Clarification of scrubbing liquid |
| 01/15/1985 | CA1180880A1 Zinc hydroxy phosphite complex |
| 01/09/1985 | EP0130917A1 Process for producing phosphoric acid |
| 01/09/1985 | EP0130803A2 Graphite intercalated alkali metal vapour sources |
| 01/08/1985 | US4492680 Removal of cadmium from acidic phosphatic solutions |
| 01/08/1985 | US4492627 Recovery of phosphorus from waste ponds |
| 01/08/1985 | CA1180690A1 Metering device |
| 01/02/1985 | EP0129784A2 Process for the defluorination of alkaliphosphate solutions |
| 12/27/1984 | EP0129533A1 Heat recovery in the manufacture of phosphorus acids |
| 12/25/1984 | US4490336 Process for stripping uranium from an alkyl pyrophosphoric acid |
| 12/19/1984 | EP0128341A2 Stabilised red phosphorus and its use in flame-proof thermoplastic polyamide moulding masses |
| 12/19/1984 | EP0128326A1 Process for the production of phosphorus pentoxide and, should the occasion arise, of phosphoric acid using reaction heat |
| 12/19/1984 | EP0128286A1 Apparatus for making red phosphorus |
| 12/18/1984 | US4489183 Stabilization of red phosphorus |
| 12/11/1984 | US4487962 Using molybdenum-phosphorus-rhodium-coppervanadium-cesium catalyst |
| 12/11/1984 | US4487750 Preventing post-precipitation |
| 12/11/1984 | US4487749 Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof |
| 12/11/1984 | CA1179163A1 Method for the manufcture of solid particles, namely np/npk fertiliser granules containing ammonum phosphate |
| 12/11/1984 | CA1179111A1 Method for the manufacture of aluminium zinc phosphate hydrates or basic aluminium zinc phosphate hydrates and their use in paints |
| 12/05/1984 | EP0126926A1 Process and apparatus for the production of phosphorus-pentoxide using reaction heat |
| 12/04/1984 | CA1178788A1 Stabilization of red phosphorus |
| 11/27/1984 | US4485078 Crushing, slurrying with sulfuric acid, and filtration |
| 11/27/1984 | US4485077 Sulfuric acid treatment |
| 11/20/1984 | US4483838 Steam stripping |
| 11/20/1984 | US4483837 Process for making calciummonohydrogen phosphate dihydrate |
| 11/20/1984 | US4483746 Process for phosphorus purification |
| 11/20/1984 | CA1178264A1 Preparation of vanadium phosphorus catalysts using a mixed phosphorus source |
| 11/20/1984 | CA1178023A1 Method for manufacturing water glass cement hardeners |
| 11/13/1984 | US4482380 Acidic iron-aluminum phosphate |
| 11/06/1984 | US4481176 Treatment for phosphorus-containing waste material |
| 11/06/1984 | US4481175 Process for preparing apatite |
| 11/06/1984 | US4481069 Hydrothermal crystal growing process |
| 11/06/1984 | CA1177467A1 Method of selectively removing adsorbed calcium and magnesium from cation exchange resins |
| 10/30/1984 | US4479924 With diorganyldithiophosphoric acid and adsorbent |
| 10/30/1984 | US4479923 Production of phosphoric acid and additional products from phosphate ore |
| 10/24/1984 | EP0122646A1 Process for separating off calcium nitrate tetrahydrate by crystallization |
| 10/23/1984 | US4478805 Hydrolysis of organoaluminum phosphate hydrogel |
| 10/23/1984 | US4478633 Method for processing wastes resulting from production of phosphorus, namely, slime and off-gasses, with utilization of the resultant products |
| 10/10/1984 | EP0121233A2 Crystalline aluminophosphate compositions |
| 10/10/1984 | EP0121232A2 Titanium-containing molecular sieves |
| 10/02/1984 | US4474738 Process for mineral beneficiation |
| 09/27/1984 | WO1984003690A1 Method for the preparation of phosphoric acid and calcium sulphate |
| 09/25/1984 | US4473663 Crystalline aluminophosphate compositions |
| 09/25/1984 | US4473538 Process for removing molten phosphorus pentsulfide from a reactor |
| 09/25/1984 | CA1174832A1 Method and arrangement for concentrating mineral acids, especially sulphuric acid |
| 09/19/1984 | EP0118548A1 Ammonia scavenger |
| 09/18/1984 | US4472368 Neutralization of cooling pond water in phosphoric acid plants |
| 09/18/1984 | US4472365 Dicalcium phosphate dihydrate having improved monofluorophosphate compatibility and process for the preparation thereof |
| 09/18/1984 | CA1174474A1 Process for separating metals from aqueous solutions |
| 09/11/1984 | US4471080 Encapsulating in a quarternized amino resin and homogeneously distributing; materials handling |
| 09/04/1984 | US4469504 Rapid, low temperature |
| 08/29/1984 | EP0116989A1 Process for removing heavy metals from aqueous media |
| 08/29/1984 | EP0116988A1 Process for removing heavy metals from aqueous media |
| 08/21/1984 | US4466948 Process for removing heavy metal ions and arsenic from wet-processed phosphoric acid |
| 08/14/1984 | US4465546 Selenides, tellurides, arsenides, phosphides |
| 08/14/1984 | CA1172429A1 Apparatus for making phosphorus pentasulfide |
| 08/07/1984 | CA1172235A1 Preparation of fluid bed catalysts containing the mixed oxides of vanadium and phosphorus |
| 08/07/1984 | CA1172234A1 Preparation of fluidizable vanadium and phosphorus oxide catalysts using a mixed phosphorus source |
| 07/31/1984 | US4462973 Color change from yellow to balck |
| 07/31/1984 | US4462972 Controlling concentration of sulfate ion and preventing formation of complex precipitate |
| 07/31/1984 | CA1171636A1 Process for reducing iron in phosphoric acid solution |
| 07/31/1984 | CA1171635A1 Process for making granulated condensed phosphates |
| 07/31/1984 | CA1171634A1 Process for making long-chain ammonium polyphosphate |