| Patents for C01C 1 - Ammonia; Compounds thereof (7,027) |
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| 04/23/2003 | CN1412169A Alcohol ether material and alcohol hydrocarbon material and synthetic ammonia coproduction process |
| 04/23/2003 | CN1412113A High-activity ferrous oxide base amonia synthesis catalyst and its preparation method |
| 04/17/2003 | US20030072705 Method for the production of hydrogen and applications thereof |
| 04/17/2003 | US20030072698 For removing impurities from the hydrolysis of urea and/or urea-formaldehyde oligomers/polymers |
| 04/15/2003 | US6547861 Method and materials for purifying reactive gases using preconditioned ultra-low emission carbon material |
| 04/10/2003 | US20030068264 Controlling gas flow; hydrogen purification |
| 04/09/2003 | EP1299347A2 Method for separating ammoniac |
| 04/09/2003 | CN1408643A Method for controlling ammonia synthesizing methane gas content by recovering discharging gas |
| 04/09/2003 | CN1408464A Removing and recovering process and device for SO2 in flue gas |
| 04/09/2003 | CN1104935C Process for removing sulphure dioxide from flue gases |
| 04/08/2003 | US6544492 Regeneration method for process which removes hydrogen sulfide from gas streams |
| 04/03/2003 | WO2003027018A1 Chemical and thermal decomposition of ammonium sulphate into ammonia and sulphuric acid |
| 04/02/2003 | CN1407950A Ammonia Synthesis and apparatus therefor |
| 04/02/2003 | CN1407949A Process for producing nitrogen trifluoride and use thereof |
| 04/01/2003 | US6540971 Process and reactor for the preparation of ammonia |
| 03/27/2003 | US20030057398 Double salt of ammonium nitrate, gas generating agent containing the same and production method thereof |
| 03/26/2003 | EP1294639A1 Method for producing silicon nitride |
| 03/26/2003 | EP1102720B1 Method for distilling ammonia |
| 03/26/2003 | EP1089804B1 Process for treating flue gas |
| 03/20/2003 | US20030053943 Methods for the production of ammonia from urea and/or biuret, and uses for NOx and/or particulate matter removal |
| 03/19/2003 | EP1292537A1 Process for stabilizing ammonium nitrate |
| 03/19/2003 | EP1114012A4 Field assisted transformation of chemical and material compositions |
| 03/19/2003 | EP1015097A4 Method for ammonia production |
| 03/19/2003 | CN2540398Y Cylindrical spray saturator |
| 03/18/2003 | US6534027 Vaporizing ammonium hydroxide to produce purified ammonia vapor for use in production/cleaning of semiconductors/integrated circuits |
| 03/18/2003 | CA2087887C An integrated process for making methanol and ammonia |
| 03/13/2003 | US20030047068 First permeation unit is supplied by the gaseous mixture; second permeation unit is supplied by the non-permeate produced by the first unit, the permeate produced by the second unit forming a first enriched flux |
| 03/12/2003 | EP1289640A1 Method for optimising a production increase operation |
| 03/12/2003 | CN1401572A Apparatus for oxidizing ammonium sulfite using ionizing radiation |
| 03/12/2003 | CN1401571A Method for oxidizing ammonium sulfite using ionizing radiation |
| 03/12/2003 | CN1401414A Method for removing sulfur dioxide from flue gas and preparing ammonium sulfate |
| 03/11/2003 | US6531704 Nanotechnology for engineering the performance of substances |
| 03/06/2003 | US20030041734 Method for producing an ultra-low emission carbon material |
| 03/05/2003 | EP1286963A1 Method for separating ammonia from solutions containing caprolactam and ammonia |
| 02/20/2003 | US20030033973 Ammonia for use in manufacture of gan-type compound semiconductor and method for manufacturing gan-type compound semiconductor |
| 02/20/2003 | US20030033936 Method for removing impurities from process gas stream |
| 02/19/2003 | CN1101720C Equipment for removing SO2 from flue-gas and producing ammonium sulfate |
| 02/13/2003 | WO2002079083A3 Method for producing ammonia from methanol |
| 02/13/2003 | WO2002062704A3 Method for quantitative production of gaseous ammonia |
| 02/13/2003 | US20030031604 Processes and apparatus for quantitatively converting urea to ammonia on demand |
| 02/11/2003 | CA2337321C Method for distilling ammonia |
| 02/06/2003 | WO2003010089A1 Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2 |
| 02/06/2003 | WO2002051752A3 Process and vaporizer for producing ammonia with ultra-low metals content |
| 02/06/2003 | US20030024396 Gas purifier system containing an ultra-low emission carbon material |
| 02/06/2003 | US20030024395 Gas purifier system for removing trace impurities from a reactive fluid |
| 02/06/2003 | US20030024394 Method for producing a preconditioned ultra-low emmission carbon material |
| 02/06/2003 | US20030024391 Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon material |
| 02/06/2003 | US20030024390 Using liquid purifying systems that contain an ultra-low emission (ULE) carbon. |
| 02/06/2003 | CA2454168A1 Method for obtaining an ammonium carbamate solution from a gas mixture containing nh3, h2o and co2 |
| 02/05/2003 | EP1280736A2 Method for producing calcium nitrate granules |
| 02/05/2003 | CN1100721C Steam reforming proces for preparing ammonia synthetic gas |
| 01/30/2003 | WO2003008333A1 Method for the separation of ammonia from a mixture |
| 01/29/2003 | CN1394191A Process for stabilizing ammonium nitrate |
| 01/29/2003 | CN1393406A Antioxidizing agent for ammonium sulfite |
| 01/29/2003 | CN1393405A Process for purifying and recovering ammonia gas |
| 01/28/2003 | US6511644 Method for removing contaminants in reactors |
| 01/23/2003 | WO2003006368A1 Process for the preparation of hydroxylammonium |
| 01/23/2003 | US20030017098 Reacting fluorine gas with ammonia gas in a gaseous phase, wherein the reaction is performed at 80 degrees C. or less in the presence of a diluting gas; used as an etching gas and cleaning gas |
| 01/23/2003 | US20030017097 Process for the preparation of ammonia and ammonia synthesis gas |
| 01/22/2003 | CN1392100A Process and device for preparing ammonia and dimethylamine by unsym-dimethyl hydrazine catalyzed hydrogenolysis |
| 01/21/2003 | US6508995 Reducing melting temperature by formation of copper, nickel or zinc diamine complex optionally with water inclusion |
| 01/15/2003 | EP1275616A1 Process for the preparation of hydroxylammonium |
| 01/15/2003 | CN1391533A Method of reducing density by means of gas-generating agent |
| 01/15/2003 | CN1390637A Ruthenium-aluminium oxide catalyst and its preparing process |
| 01/14/2003 | US6506350 Heating an aqueous solution of urea, or mixtures of urea, biuret, or ammonium carbamate on site, to produce a gaseous ammonia-containing product under controlled pressure and rate of flow, contacting with nitrogen oxides in combustion gas |
| 01/09/2003 | WO2003002459A1 Improved ammonia plant configurations and methods |
| 01/09/2003 | WO2002081060A3 Method for the absorptive outward transfer of ammonia and methane out of synthesis gas |
| 01/08/2003 | CN2529856Y Carbonizer |
| 01/08/2003 | CN1389295A Ru-based ammonia synthesizing catalyst carried by nano carbon fiber and its prepn. |
| 01/07/2003 | WO2002008171A2 Method for separating ammoniac |
| 01/07/2003 | CA2415245A1 Method for separating ammoniac |
| 01/07/2003 | CA2284292C Methods for the production of ammonia from urea and uses thereof |
| 01/03/2003 | WO2001064054A9 Method for hardening granular inorganic salt compounds |
| 01/01/2003 | CN1388065A Three-step circular metathesis process of producing potassium nitrate |
| 12/19/2002 | US20020190002 For purifying a liquid chemical; has particular applicability in semiconductor manufacturing |
| 12/18/2002 | CN1385369A Proces for direct synthesizing fluoammonium salt |
| 12/18/2002 | CN1096420C Producing process for rare-earth oxide and rareearth oxide obtained by same |
| 12/18/2002 | CN1096418C Process for preparing high-quality low-salt low-potassium heavy sodium carbonate and ammonium chloride |
| 12/17/2002 | US6495112 Method and apparatus for removing oxygen from natural gas |
| 12/17/2002 | CA2118074C Porous prilled ammonium nitrate |
| 12/11/2002 | CN1384045A Gasifying process for production of ammonia and urea |
| 12/10/2002 | US6491885 Hydrolysis of urea to produce ammonia |
| 12/05/2002 | US20020182129 Reforming apparatus |
| 12/04/2002 | EP1261419A1 Compact reactor with heat exchanger |
| 12/03/2002 | US6489264 Ammonia oxidation catalyst |
| 11/28/2002 | WO2002094420A1 Method for carrying out the selective catalytic reduction of nitrogen oxides with ammonia in the lean exhaust gas of a combustion process |
| 11/28/2002 | WO2002079088A3 Method for the catalytic production of ammonia from synthesis gas |
| 11/28/2002 | WO2002042209A8 Multiple-pressure process for the production of ammonia |
| 11/28/2002 | DE10124548A1 Reduction of nitrogen oxides in vehicle exhaust gases involves selective catalytic reduction with ammonia produced by reducing nitric oxide in rich fuel/air mixture |
| 11/27/2002 | EP1259462A1 Ammonia synthesis process and apparatus for use therein |
| 11/26/2002 | US6485700 Process for producing free hydroxylamine aqueous solution |
| 11/21/2002 | WO2002092512A1 Processes and apparatus for quantitatively converting urea to ammonia on demand |
| 11/20/2002 | CN1380252A Improved method for recovery of ammonia |
| 11/19/2002 | US6482382 Process and converter for the preparation of ammonia |
| 11/19/2002 | US6482366 Calcination using liquid metal heat exchange fluid |
| 11/19/2002 | US6482297 Method for distilling ammonia |
| 11/15/2002 | WO2001094308A1 Method for separating ammonia from solutions containing caprolactam and ammonia |
| 11/14/2002 | WO2002090255A1 Method for energy generation by production and reaction of aluminium nitride |
| 11/14/2002 | WO2002090250A1 Gasification process for ammonia/urea production |
| 11/12/2002 | US6479027 Process for the preparation of ammonia and ammonia synthesis gas |