| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
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| 07/04/1990 | CN1043481A Technology for calcium hydrogen phosphate forage |
| 07/03/1990 | US4938938 Process for the preparation of a hydroxyl apatite material |
| 07/03/1990 | US4938937 Crystalline aluminophosphate composition |
| 06/27/1990 | CN1043293A Technology for extracting phosphoric acid by crystallizing process |
| 06/26/1990 | CA1270620A1 Spheroidal alkali metal polyphosphates of low apparent density, and process and apparatus for making them |
| 06/26/1990 | CA1270619A1 Process for reducing the reactivity and improving the flow behaviour of phosphorus pentoxide |
| 06/20/1990 | CN1043089A Method for purification of acids from materials comprising acid and salt |
| 06/20/1990 | CN1008436B Production technique of calcium superphosphate fodder |
| 06/19/1990 | US4935213 Zero discharge process for preparing potassium tripolyphosphate |
| 06/14/1990 | WO1990006168A1 Method for purification of acids from materials comprising acid and salt |
| 06/13/1990 | EP0372771A1 Method of preparing heteropolyacid catalysts |
| 06/13/1990 | EP0372235A2 Electrode composition |
| 06/13/1990 | EP0372066A1 Chemical compound. |
| 06/13/1990 | CN1008353B Production method of sodium hydrogen phosphate from sodium chloride |
| 06/13/1990 | CA2005221A1 Purification of phosphoric acid |
| 06/05/1990 | US4931272 Tooth pastes, cleaning agent for tooth pastes based on dicalcium phosphate-dihydrate, and process for making such cleaning agent |
| 06/05/1990 | CA1270087A1 Surgical cements and method for preparation thereof |
| 06/05/1990 | CA1269961A1 Device for distributing a material upon a surface |
| 05/23/1990 | CN1008080B Process for preparing dihydropotassium phosphate |
| 05/22/1990 | US4927615 Crystalline sodium/aluminum acid phosphates |
| 05/22/1990 | CA1269224A1 Crystalline gallophosphate compositions |
| 05/17/1990 | WO1990005115A1 Phosphonic acids and their uses in separation |
| 05/09/1990 | CN1041926A Powder ammonium hydrogen phosphate making method |
| 05/02/1990 | EP0366544A1 Method for the preparation of a bismuth phosphate gel |
| 05/01/1990 | CA1268316A1 Crystalline zirconium phosphate and a method of preparing the same |
| 04/25/1990 | CN1041554A Process for making compositions of powdery refractory inorganic compounds and metals |
| 04/24/1990 | US4919906 Agglomerating phosphate ore with a binder by a method which upgrades ore |
| 04/18/1990 | EP0363750A2 Peptized & phosphated inorganic oxides, catalysts, and polymerization processes |
| 04/18/1990 | EP0363455A1 Method for removal of heavy metals, especially cadmium, from phosphoric acid containing solutions |
| 04/18/1990 | EP0363352A1 Solid calcium phosphate materials. |
| 04/17/1990 | US4917876 Iron-titanium-aluminum-phosphorus-oxide molecular sieve compositions |
| 04/11/1990 | EP0362817A1 Process for producing crystalline oxide of vanadiumphosphorus system and catalyst containing the crystalline oxide |
| 04/11/1990 | EP0362746A2 Apparatus and process for the preparation of alkali metal monofluorophosphate |
| 04/11/1990 | CN1007516B Treatment of phrophoric elemental phosphrous-containing material |
| 04/10/1990 | US4916101 Ion exchange, pyrolysis |
| 04/04/1990 | EP0361986A1 Process for manufacturing tetrasodium pyrophosphate |
| 04/04/1990 | EP0361386A2 Method for purifying gaseous hydrides |
| 04/03/1990 | US4913989 Positive collector electrode for batteries with alkaline electrolytes |
| 04/03/1990 | US4913888 Arsenic-aluminum-phosphorus-oxide molecular sieve compositions |
| 04/03/1990 | US4913799 Increasing octane number of cracked product |
| 04/03/1990 | US4913795 Novel crystalline metalloaluminophosphate |
| 04/03/1990 | CA1267267A1 Removal of phosphorus from mud |
| 03/21/1990 | EP0358827A1 Crystallization method employing microwave radiation |
| 03/21/1990 | CN1007237B Continuous process for preparing phosphoric acid and calcium sulphate |
| 03/20/1990 | US4910008 Gas-gas phase contactor |
| 03/13/1990 | CA1266552A1 Process for making phosphorus pentoxide of diminished reactivity |
| 03/06/1990 | US4906522 Compounds of nickel, iron and phosphorus |
| 03/06/1990 | US4906493 Method of preparing coatings of metal carbides and the like |
| 03/06/1990 | US4906445 Continuous process for complete removal or organic impurities from and complete decolorization of prepurified wet-process phosphoric acid |
| 03/06/1990 | US4906444 Method of manufacturing calcium phosphate using phosphorus in plants |
| 02/28/1990 | EP0356407A2 Fast-dissolving, non-caking, food grade sodium tripoly-phosphate |
| 02/27/1990 | US4904616 Method of depositing arsine, antimony and phosphine substitutes |
| 02/27/1990 | US4904459 Converting into alkali-metal phosphates and disposable metallic sulfide |
| 02/27/1990 | CA1266161A1 Process for producing silanes |
| 02/21/1990 | CN1039778A Method of making and extracting sodium dihydrogen phosphate salt of lemery |
| 02/21/1990 | CN1039777A Making method of ammonium dihydrogen phosphate |
| 02/21/1990 | CN1039776A Recovery of p2o5 values from phosphoric acid hemihydrate crystals |
| 02/20/1990 | US4902491 Phosphate feed material for phosphorus electric furnaces and production of same |
| 02/14/1990 | EP0354338A2 Method for treating dust formed in the electrothermal preparation of phosphorus |
| 02/14/1990 | CN1039567A Synthetic process of calcium hydroxy phosphate and its usage |
| 02/13/1990 | US4900704 Peptized and phosphated inorganic oxides and catalysts supported on said oxides |
| 02/07/1990 | EP0353722A2 Carbonylation process |
| 02/07/1990 | EP0353256A1 METHOD OF PURIFYING AND DEPOSITING GROUP IIIb AND GROUP Vb COMPOUNDS TO PRODUCE EPITAXIAL FILMS. |
| 02/06/1990 | USRE33161 Combinations of sparingly soluble calcium phosphates in slurries and pastes as mineralizers and cements |
| 02/06/1990 | CA1265317A1 Phosphoric acid crystallization process |
| 02/06/1990 | CA1265316A1 Phosphoric acid crystallization process |
| 02/06/1990 | CA1265315A1 Process for seed crystal preparation for phosphoric acid crystallization |
| 01/31/1990 | EP0352607A2 Arsine, antimony and phosphine substitutes |
| 01/31/1990 | CN1006632B Prepn. of potassium dihydrogen phosphate through liquid-liquid double decomposition reaction |
| 01/30/1990 | US4897250 Dissolving calcium oxide or hydroxide in water, using sugar or polyhydric alcohol as solubilizer, precipitation with phosphoric acid |
| 01/30/1990 | CA1265115A1 Inorganic anion exchangers and preparation thereof |
| 01/30/1990 | CA1264929A1 Stabilized red phosphorus for use as flame-retardant, in particular for compositions on the basis of polymers |
| 01/23/1990 | US4895709 Low temperature pyrolysis |
| 01/17/1990 | EP0351281A1 Process for the preparation of phosphates by fusion |
| 01/17/1990 | EP0350994A2 Removal of cadmium from phosphoric acid-containing solutions |
| 01/17/1990 | EP0350607A2 Use of calcium dihydrogen pyrophosphate as leavening acid in slow reacting leavening compositions and method for producing the same |
| 01/17/1990 | EP0350542A1 Process for recovering elemental phosphorus and a metal concentrate from ferrophos |
| 01/16/1990 | CA1264408A1 Continuous process for preparing phosphoric acid and calcium sulphate |
| 01/16/1990 | CA1264407A1 Homogeneous mixtures of polyphosphates |
| 01/02/1990 | US4891198 Preparation of tricalcium phosphate |
| 12/27/1989 | CN1038251A Method of producing calcium hydrogen phophate for fodder using phosphorus ore powder |
| 12/27/1989 | CN1006222B Recovery of calcium chloride from waste liquid of |
| 12/26/1989 | US4889702 Calcining, reducing, volatilization, condensation, separation |
| 12/20/1989 | EP0347028A2 Calcium phosphate mineral compositions and methods for preparing same |
| 12/20/1989 | CN1038117A Preparation of promotor for bonding rubber-steel wire |
| 12/19/1989 | US4888167 Germanium-aluminum-phosphorus-oxide molecular sieve compositions |
| 12/14/1989 | WO1989011880A1 Chemical compound |
| 12/13/1989 | EP0333816A4 Crystalline aluminumphosphate compositions. |
| 12/13/1989 | CN1006057B New crystallization process for diammonium phosphate without refrigeration and vapourization |
| 12/06/1989 | EP0344837A1 Novel crystalline aluminophosphates and related compounds |
| 12/05/1989 | US4885148 Production of monobasic potassium phosphate with low chloride content from potassium chloride and phosphoric acid produced from the commercial wet process |
| 11/29/1989 | CN1037459A Method of contaminating location containing pyrophoric p4 contamination |
| 11/28/1989 | US4883533 Modified synthetic hydrotalcite |
| 11/23/1989 | DE3815766A1 Process for producing pellets of crude phosphate |
| 11/21/1989 | US4882143 To protect from ultraviolet radiation |
| 11/16/1989 | WO1989010896A1 Process of preparing hydroxylapatite |
| 11/14/1989 | US4880714 Method for preparing non-aqueous electrolytes |
| 11/14/1989 | US4880610 Neutralization, crystallization |
| 11/07/1989 | US4879067 Red phosphorus flame retardant and nonflammable resinous composition containing the same |
| 11/02/1989 | EP0339452A2 Polymer titanium phosphates, process for their preparaton and their use in the activation of metal surfaces before zinc phosphating |