| Patents for C01C 1 - Ammonia; Compounds thereof (7,027) |
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| 04/18/2000 | US6051729 Process for preparing organosilazanes |
| 04/18/2000 | CA2221038C Reactor, process and installation for the production of ammonium chlorides |
| 04/13/2000 | WO2000020330A1 Method and apparatus for purification of hydride gas streams |
| 04/13/2000 | DE19846242A1 Production of ammonia from sulfidic compounds comprises reducing a finely divided aqueous slurry from a sulfide of a transition metal in a nitrogen atmosphere |
| 04/13/2000 | CA2284969A1 Method of ammonium sulfate purification |
| 04/12/2000 | CA2283017A1 Isothermal ammonia converter |
| 04/06/2000 | WO2000018704A1 Process for producing phase-stabilized ammonium nitrate |
| 04/06/2000 | CA2345550A1 Process for producing phase-stabilized ammonium nitrate |
| 03/30/2000 | WO2000007695A3 Method for converting urea into ammonia |
| 03/29/2000 | CN1050819C Technology for producing potassium sulfate using flue gas desulfating gypsum |
| 03/29/2000 | CN1050818C Process for preparing high-activity synthetic ammonia catalyst |
| 03/23/2000 | WO2000015586A1 Field assisted transformation of chemical and material compositions |
| 03/23/2000 | DE19844350C1 Production of phase-stabilized particulate ammonium nitrate comprises inserting a diammine complex into the crystal lattice of the ammonium nitrate |
| 03/22/2000 | CN1050532C Method of retrofitting heterogeneous exothermic synthesis reactor |
| 03/15/2000 | CN1247160A Process for preparing refined ammonium by joint method |
| 03/14/2000 | US6037459 Dinitrogen cleavage |
| 03/08/2000 | CN1246442A Process for recovering ammonia from waste chemical water by digestion method |
| 03/07/2000 | US6033808 Using weak base resins. |
| 03/01/2000 | EP0982554A1 Process and plant for producing impure oxygen by distillation |
| 03/01/2000 | EP0981405A1 Method of preparation of sealed gas chambers |
| 02/24/2000 | DE19848499C1 Ammonia recovery from waste liquor containing acid and inert gases e.g. from petroleum refinery uses pre purification column with reboiler heating, total separating column and condenser |
| 02/24/2000 | DE19837041A1 Erzeugung von gebrauchsfertigen Lösungen Production of ready-made solutions |
| 02/23/2000 | EP0958333A4 Minimizing evaporator scaling and recovery of salts during gasification |
| 02/17/2000 | WO2000007938A1 Method of preparation of ammonium nitrate products having improved thermal stability and products thereof |
| 02/17/2000 | WO2000007695A2 Method for converting urea into ammonia |
| 02/16/2000 | EP0979800A1 Manufacturing of ready-for-use solutions |
| 02/16/2000 | CN1049427C Recoverying device of ammonia from sulfanilamide by-product |
| 02/08/2000 | US6022386 Process for producing porous ammonium nitrate and ammonium nitrates produced |
| 02/03/2000 | WO2000005173A1 Method for distilling ammonia |
| 02/03/2000 | WO2000005171A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams |
| 02/03/2000 | CA2338088A1 Improved regeneration method for process which removes hydrogen sulfide from gas streams |
| 02/02/2000 | EP0976850A2 Apparatus and method for recycling |
| 02/02/2000 | EP0975642A1 Separating ammonium chloride from n-hydrocarbyl(thio)phosphoric triamide |
| 02/01/2000 | CA2124192C Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors |
| 01/19/2000 | CN2359271Y Gas-liquid separating deoil filter special for condensed synthetic ammonia |
| 01/18/2000 | US6015537 Catalytic reaction of synthesis gas, heat exchanging |
| 01/18/2000 | US6015477 Point-of-use ammonia purification for electronic component manufacture |
| 01/13/2000 | WO2000001616A1 Process for the preparation of ammonia |
| 01/11/2000 | CA2055282C Process for the preparation of rare-earth and ammonium twin oxalates, their use in preparing rare-earth oxides, and rare-earth oxides thereof |
| 01/05/2000 | EP0968218A1 Preparation of n-hydrocarbylthiophosphoric triamides |
| 12/30/1999 | DE19834980A1 Microwave hydrolysis reactor for large scale conversion of urea into ammonia for use in removal of nitrogen oxides from flue gas, especially in power stations |
| 12/29/1999 | CN1047798C Method for producing spongy iron and coproducing synthetic ammonia by reducing gas |
| 12/23/1999 | WO1999065823A1 Method of procucing potassium sulfate |
| 12/22/1999 | CN2354651Y Ammonia synthsis converter |
| 12/15/1999 | CN1238746A Process and apparatus for producing fertilizer from sulfur oxide-containing gas |
| 12/15/1999 | CN1047366C Technology for refining ammonia |
| 12/14/1999 | US6002059 Process for upgrading natural gas |
| 12/14/1999 | US6001325 Process for removing acids from lithium salt solutions |
| 12/14/1999 | US6001223 Drawing ammonia gas from vapor space obove liquid ammonia reservoir; passing ammonia gas through a unit to contact with aqueous ammonia solution of ammonia in deionized water thereby purifying ammonia gas; recovering purified ammonia gas |
| 12/09/1999 | WO1999062845A1 Ammonium nitrate bodies and a process for their production |
| 12/08/1999 | EP0962425A1 Method and apparatus for purifying ammonia |
| 12/08/1999 | CN1237536A Process and plant for combined production of ammnonis synthesis mixture and carbon monoxide |
| 12/08/1999 | CN1237535A Process and plant for production of carbon monoxide and hydrogen |
| 12/07/1999 | US5997834 Process for the preparation of ammonia |
| 12/02/1999 | WO1999061136A1 Process for treating flue gas |
| 12/01/1999 | CN1236733A Horizontal ammonia synthesizing tower for high activity catalyst |
| 11/24/1999 | EP0958858A2 Horizontal ammonia converter converter adapted for high activity catalyst |
| 11/24/1999 | EP0958333A1 Minimizing evaporator scaling and recovery of salts during gasification |
| 11/17/1999 | EP0956263A1 Process for removing acids from lithium salt solutions |
| 11/16/1999 | US5985968 Surface tension reduction with N,N-dialkyl ureas |
| 11/16/1999 | US5985224 Combustion flue gas conditioning |
| 11/10/1999 | CN2347957Y Ammonia separator |
| 11/09/1999 | US5980848 Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate |
| 11/03/1999 | EP0953554A1 Process and apparatus for producing fertilizer from sulfur oxide-containing gas |
| 11/03/1999 | CN2346772Y Synthetic ammonia three gas energy saving reclaiming appts. |
| 11/02/1999 | CA2046304C Process and apparatus for exothermic reactions |
| 10/27/1999 | CN1232783A Process and unit for combined production of ammonia synthesis gas and power |
| 10/27/1999 | CN1045947C Method for producing sulfonyl azophoska compound fertilizer |
| 10/26/1999 | US5973198 Hydration and successive hydrolysis of 2-hydroxy-4-methylthiobutyronitrile in a solution containing sulfuric acid and ammonium bisulfate |
| 10/20/1999 | EP0950637A2 Process and unit for the combined production of ammonia synthesis gas and power |
| 10/20/1999 | CN2344388Y Coalescence type synthetic aminoalcohole, ammonia and oil separator |
| 10/20/1999 | CN2344387Y Coalescence type synthetic aminoalcohol and ammonia separator |
| 10/19/1999 | US5968232 Method for ammonia production |
| 09/30/1999 | WO1999048816A1 METHOD FOR REPROCESSING WASTE ACID RESULTING FROM TiO2 PRODUCTION |
| 09/30/1999 | CA2324527A1 Method for reprocessing waste acid resulting from tio2 production |
| 09/29/1999 | CN1229765A Micro-dust purifier in technological gas |
| 09/23/1999 | WO1999048125A1 Polymer formulations for gettering hydrogen |
| 09/23/1999 | DE19812262A1 Production of gypsum and iron oxide pigments from dilute acid formed in the manufacture of titanium dioxide |
| 09/22/1999 | CN1229058A Ammonia synthesis technology |
| 09/21/1999 | US5955042 Method of treating spent potliner material from aluminum reduction cells |
| 09/16/1999 | WO1999046038A1 Catalyst for the synthesis of ammonia from hydrogen and nitrogen |
| 09/10/1999 | WO1999044939A1 Process and converter for the preparation of ammonia |
| 09/10/1999 | WO1998046063A3 System and method for disposal of hydrazine propellants and other energetic materials |
| 09/08/1999 | CN1227820A Process for preparation of hydrogen-rich gas |
| 08/25/1999 | EP0937681A1 Process and installation for the combined production of a ammoniac synthesis mixture and carbon monoxide |
| 08/25/1999 | EP0937679A1 Process and apparatus for the production of carbon monoxide and hydrogen |
| 08/20/1999 | CA2262182A1 Process and plant for production of carbon monoxide and hydrogen |
| 08/20/1999 | CA2262047A1 Process and plant for the combined production of an ammonia synthesis mixture and carbon monoxide |
| 08/19/1999 | WO1999009034A3 Improvements in and relating to compounds and complexes |
| 08/18/1999 | EP0935995A1 Method for in-situ modernization of a heterogeneous synthesis reactor |
| 08/11/1999 | CN1225664A Minimizing evaporator scaling and recovery of salts during gasification |
| 08/11/1999 | CN1044601C Process and device to improve performances and service life, with corrosion reduction,in caldron type carbamate condensers in urea plants |
| 08/10/1999 | US5935544 Improving in capacity and efficiency of operation of ammonia plants designed including autorefrigeration necessary for the fractionation and/or separation of the desired hydrogen and nitrogen from the undesired methane and inerts gas |
| 08/04/1999 | CN1224694A Ammonium chloride recovering process from ammonium chloride containing waste liquid |
| 08/04/1999 | CN1224634A Method for in-situ modernization of heterogeneous synthesis reactor |
| 08/04/1999 | CN1044462C Technology for substituting high-pressure vapour by low-pressure vapour |
| 07/28/1999 | EP0931762A1 Process for the preparation of hydrogen-rich gas |
| 07/28/1999 | EP0931586A1 Method for in-situ modernization of a heterogeneous exothermic synthesis reactor |
| 07/28/1999 | EP0931019A1 Ammonia adsorption/desorption |
| 07/27/1999 | US5929282 System and method for disposal of hydrazine propellants and other energetic materials |