| Patents for C01B 25 - Phosphorus; Compounds thereof (12,526) |
|---|
| 05/05/1992 | US5110768 Rapid solid-state synthesis of refractory materials |
| 05/03/1992 | CA2054604A1 Crystalline aluminophosphates and related compounds |
| 04/29/1992 | EP0482160A1 Method for removing cadmium for phosphoric acid |
| 04/28/1992 | US5108956 Process for the preparation of microspherical sintered bodies of hydroxyapatite and a chromatographic packing material comprising the microspherical sintered bodies of hydroxyapatite |
| 04/28/1992 | US5108755 Fiber reinforced |
| 04/28/1992 | US5108728 Dry mixing fine grained dicalcium phosphate dehydrate with calcium hydroxide, continuously spraying and granulating in fluidized bed with water and phosphoric acid; agglomeration |
| 04/28/1992 | US5108727 Using template mixture of quaternary nitrogen compound and amine |
| 04/22/1992 | EP0481669A2 Monofluorophosphate solubility inhibitor for lead in potable water sources |
| 04/22/1992 | EP0481044A1 NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS |
| 04/22/1992 | EP0480978A1 Process for eliminating heavy metals from phosphoric acid. |
| 04/21/1992 | US5106532 Mixing lanthanum cerium terbium oxalate and boron phosphate, firing in hydrogen-free inert atmosphere, separating from boron oxide formed |
| 04/16/1992 | DE4032000A1 Pure and technical phosphorus penta:sulphide simultaneous mfr. - using separate reactors for continuously condensed distillate and sump in second stage |
| 04/16/1992 | CA2053163A1 Monofluorophosphate solubility inhibitor for lead in potable water sources |
| 04/15/1992 | EP0480180A1 Process and installation for the preparation of ammonium polyphosphate |
| 04/15/1992 | CN1060274A Defluorinating agent for wet defluorination of phosphoric acid |
| 04/11/1992 | CA2051857A1 Process and plant for producing ammonium polyphosphate |
| 04/08/1992 | CN1060084A Process for producing potassium dihydrogen phosphate and potassium sulfate |
| 04/08/1992 | CN1060080A Process for producing sodium phosphate |
| 04/07/1992 | US5102836 Ceramic materials with low thermal conductivity and low coefficients of thermal expansion |
| 04/07/1992 | US5102642 Crystalline aluminophosphate compositions |
| 04/01/1992 | CN1059945A Complex phosphates |
| 03/31/1992 | CA1298062C Alkali metal acid pyrophosphate leavening acid compositions and methods for producing the same |
| 03/24/1992 | US5098673 Apparatus for growing homogeneous crystals |
| 03/24/1992 | CA1297656C Process of preparing hydroxylapatite |
| 03/19/1992 | CA2038929A1 Lipid absorbent |
| 03/17/1992 | CA1297266C Process for purifying phosphoric acid for electrical semiconductor use |
| 03/03/1992 | US5093199 Stabilized red phosphorus |
| 03/03/1992 | US5093088 High quality calcium sulfate crystalling by-product |
| 03/03/1992 | CA1296506C Process for preparing a sodium tripolyphosphate hexahydrate powder |
| 02/25/1992 | US5091073 Aluminum, phosphorus, silicon oxides with cation, anion and organic onium compounds; used for hydrorefining, hydrogenation, dehydrogenation, isomerization, polymerization or desulfurization |
| 02/24/1992 | CA2049722A1 Phosphate deicing composition |
| 02/20/1992 | WO1992002453A1 Intimate mixture of calcium and phosphate sources as precursor to hydroxyapatite |
| 02/19/1992 | EP0471313A2 Complex phosphates |
| 02/19/1992 | EP0471190A2 Method for preparation of phosphorous acid |
| 02/18/1992 | US5089195 Molding, roasting under vaccum or reduced pressure, firing |
| 02/18/1992 | CA1295805C Process for manufacturing tetrasodium pyrophosphate |
| 02/15/1992 | CA2049078A1 Complex phosphates |
| 02/12/1992 | EP0470936A1 Removal of impurities from a hydride gas |
| 02/12/1992 | EP0470353A2 Process and installation for the preparation of ammonium polyphosphate |
| 02/04/1992 | US5085846 Process for producing phosphorous acid |
| 02/04/1992 | US5085845 Heating and introducing steam; absorbers for liquid waste treatment |
| 02/04/1992 | CA1295282C Process for obtaining phosphorus from aqueous suspension of phosphorus slime |
| 02/01/1992 | CA2046841A1 Process and plant for the preparation of ammonium polyphosphate |
| 01/28/1992 | US5084261 Recovery and utilization of gypstack leachate in hemihydrate phosphoric acid process |
| 01/28/1992 | US5084128 Low-temperature synthesis of group III-group V semiconductors |
| 01/23/1992 | WO1992001023A1 Corrosion-protection pigments based on tertiary alkaline earth aluminium phosphates, and a method for producing them |
| 01/22/1992 | CN1058001A Basic calcium aluminum hydrony phosphites, a process for their proeuction and their use |
| 01/21/1992 | US5082566 Calcium-phosphate type hydroxyapatite for chromatographic separation and process for producing same |
| 01/14/1992 | WO1992000915A1 Crystalline molecular sieve composition |
| 01/14/1992 | CA2084756A1 Crystalline molecular sieve composition |
| 01/08/1992 | EP0464249A1 Process for the manufacture of crystalline molecular sieves with large pores |
| 01/07/1992 | CA1293851C Process and apparatus for contacting at least two gaseous compounds which react in particular at high temperature |
| 01/02/1992 | EP0463793A2 Synthesis of crystalline aluminophosphate composition |
| 01/02/1992 | EP0463674A2 Process for removing cadmium from phosphoric acid streams |
| 01/02/1992 | EP0393138A4 Crystalline molecular sieve |
| 01/01/1992 | CN1015253B Method for removing hydrogen peroxide dissolved in purified phosphoric acid |
| 12/31/1991 | US5077387 Process for preparing peptide synthons |
| 12/31/1991 | US5076941 Monofluorophosphate solubility inhibitor for lead in potable water sources |
| 12/30/1991 | WO1992000078A1 Antiviral agents containing heteropolytungstate |
| 12/30/1991 | CA2086263A1 Antiviral agents containing heteropolytungstate |
| 12/27/1991 | EP0462956A2 Production of concentrated aqueous polyphosphate solutions |
| 12/27/1991 | CA2045024A1 Synthesis of crystalline aluminophosphate composition |
| 12/26/1991 | WO1991019671A1 Method and apparatus for generating phosphine, and safety system for phosphine generators |
| 12/26/1991 | CA2085899A1 Method and apparatus for generating phosphine |
| 12/24/1991 | US5075088 Separating white phosphorus from slurry containing red phospho rus, heating |
| 12/24/1991 | US5075087 Method for the preparation of modified synthetic hydrotalcite |
| 12/17/1991 | US5073357 Process for producing hydroxylapatites |
| 12/12/1991 | WO1991018833A1 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type |
| 12/11/1991 | CN1056851A Process for production of alkalt metal hypophophite |
| 12/10/1991 | US5072031 Layered divalent metal phosphates containing pendent substituent groups and their preparation |
| 12/10/1991 | US5071801 High density leucite based ceramics from zeolite |
| 12/04/1991 | EP0459751A1 A process for the production of alkali metal hypophosphites |
| 12/03/1991 | US5069889 Flame retardants and strength additives for plastics and rubbe rs |
| 11/26/1991 | US5068122 Process for forming a bioactive hydroxyapatite film |
| 11/26/1991 | US5068094 Process for the removal of cadmium ions from phosphoric acid resulting from a wet process |
| 11/21/1991 | EP0456938A1 Improved method of making lanthanum cerium terbium phosphate phosphor |
| 11/21/1991 | EP0456937A1 Improved method of making lanthanum cerium terbium phosphate phosphor |
| 11/21/1991 | EP0456936A1 Method of making lanthanum cerium terbium phosphate phosphor with improved brightness |
| 11/19/1991 | US5066530 Ultraviolet Sunscreen |
| 11/19/1991 | US5066471 Lowering post-precipitation in merchant acid |
| 11/19/1991 | US5066441 Process for compacting a calcium phosphate composition |
| 11/14/1991 | WO1991011390A3 Synthetic porous crystalline material its synthesis and use |
| 11/13/1991 | EP0220198B1 Preparing metal compounds by pyrolysis |
| 11/12/1991 | CA1291981C Scavengers for the removal of impurities from arsine and phosphine |
| 11/12/1991 | CA1291926C Semi-insulating group iii-v based compositions doped using bis arene titanium sources |
| 10/30/1991 | EP0454212A1 Process for preparing activating agent for zinc phosphating and its use |
| 10/28/1991 | WO1991017113A1 Method for removing cadmium for phosphoric acid |
| 10/28/1991 | CA2062942A1 Method for removing cadmium from phosphoric acid |
| 10/23/1991 | EP0452781A1 Process for producing phosphorous acid |
| 10/17/1991 | WO1991015868A1 Process, composition, and apparatus for purifying inert gases to remove lewis acid and oxidant impurities therefrom |
| 10/17/1991 | WO1991015426A1 NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS |
| 10/17/1991 | WO1991015424A1 Method for producing alkali metal phosphate |
| 10/17/1991 | DE4011897A1 New doped mixed valency iron phosphate complex cpds. - useful as pigment in corrosion inhibiting paint or lacquer, and are prepd. by hydrothermal reaction |
| 10/16/1991 | EP0451801A1 Production of phosphorus compounds |
| 10/16/1991 | EP0451511A1 Method for preparation of alkali metal phosphate solutions |
| 10/13/1991 | CA2040332A1 Process for producing phosphorous acid |
| 10/13/1991 | CA2040331A1 Production of phosphorus compounds |
| 10/12/1991 | CA2038586A1 Process for the preparation of alkali metal phosphate solutions |
| 10/09/1991 | EP0449942A1 Phosphonic acids and their uses in separation. |
| 10/08/1991 | US5055124 Removing hydrogen chloride by-product using two-step air and steam stripping |