| Patents for C01C 1 - Ammonia; Compounds thereof (7,027) |
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| 11/07/2002 | DE10121475A1 Verfahren zur Energieerzeugung A method for generating energy |
| 11/06/2002 | CN1378522A Process for treating mixture comprising ammonium sulfate solution and aqeous lactam phase |
| 10/31/2002 | US20020159942 Method for quantitative production of gaseous ammonia |
| 10/31/2002 | US20020159937 Method and apparatus for removing oxygen from natural gas |
| 10/30/2002 | EP1251951A1 Chemical reactor with heat exchanger |
| 10/30/2002 | EP1251950A1 Chemical reactor with heat exchanger |
| 10/29/2002 | US6471932 Process for the plasma-catalytic production of ammonia |
| 10/29/2002 | US6471927 Feeding aqueous urea solution to a reaction chamber, flowing it through a catalytic converter, which converts it to ammonia, irradiating with microwaves, and discharging the ammonia-wtaer mixture |
| 10/17/2002 | WO2002081374A1 Process for size classifying ammonium sulfate crystals which are present in a suspension |
| 10/17/2002 | WO2002081060A2 Method for the absorptive outward transfer of ammonia and methane out of synthesis gas |
| 10/17/2002 | DE10116958A1 Verfahren zur NH¶3¶-Abscheidung aus Sythesegas sowie Vorrichtung zur Durchführung des Verfahrens A process for NH¶3¶-deposition from syngas, and device for carrying out the method |
| 10/16/2002 | EP1249429A1 Process for size classifying ammonium sulphate crystals which are present in a suspension |
| 10/16/2002 | CN1374279A Improved ammonium nitrate loosening agent |
| 10/10/2002 | WO2002079088A2 Method for the catalytic production of ammonia from synthesis gas |
| 10/10/2002 | WO2002079087A1 Recovery of ammonium nitrogen from wastewater |
| 10/10/2002 | WO2002079083A2 Method for producing ammonia from methanol |
| 10/10/2002 | WO2002078820A1 Method for the purification of corrosive gases |
| 10/10/2002 | US20020146363 Absorption, stripping, and dissociation; efficiency |
| 10/10/2002 | DE10116152A1 Verfahren zur Herstellung von Ammoniak aus Methanol A process for the preparation of ammonia from methanol |
| 10/10/2002 | DE10116150A1 Verfahren zum katalytischen Erzeugen von Ammoniak aus Synthesegas A process for catalytically producing ammonia from the synthesis gas |
| 10/09/2002 | EP1247781A2 Improved process for ammonia recovery |
| 10/09/2002 | CN1373110A Process for preparing loose ammonium nitrate crystals using anti-hardening agent |
| 10/08/2002 | US6462213 Metal nitrido complexes |
| 10/03/2002 | US20020143219 Natural gas conversion to hydrocarbons and ammonia |
| 10/02/2002 | DE10115345A1 Verfahren zur Aufreinigung von korrosiv wirkenden Gasen A method for purifying corrosive gases |
| 09/26/2002 | WO2002074700A1 Nitrate reduction using so¿2? |
| 09/19/2002 | WO2002040427A3 Ammonium sulfate nitrate |
| 09/19/2002 | US20020131924 Process for the reduction of concentration of nitrates and/or nitrogen-containing compounds by means of SO2 |
| 09/19/2002 | DE10113113A1 Nitratreduktion durch SO¶2¶ Nitrate reduction by SO¶2¶ |
| 09/18/2002 | EP1123257B1 Method of preparation of ammonium nitrate products having improved thermal stability and products thereof |
| 09/12/2002 | WO2002070403A1 Method for the production of hydrogen and applications thereof |
| 09/12/2002 | WO2002018273B1 Method for removing contaminants in urea hydrolysis reactors |
| 09/12/2002 | US20020124728 Method and apparatus for preventing iron contamination in corrosive service |
| 09/12/2002 | CA2440137A1 Method for the production of hydrogen and applications thereof |
| 09/10/2002 | US6448441 Gasification process for ammonia/urea production |
| 09/05/2002 | US20020123653 Method for production of alkanolamine and apparatus therefor |
| 09/04/2002 | CN1090053C Process for producing granules |
| 09/04/2002 | CN1090052C Surface tension reduction with N-N-dialkyl ureas |
| 08/28/2002 | CN1089616C On-site generation of ultra-high-purity hydrogen peroxide for semiconductor processing |
| 08/22/2002 | US20020114759 Process for the production of hydrochloric acid and neutralized sulfates |
| 08/21/2002 | CN2506963Y Mass and heat fransfer device for atomizing nozzle |
| 08/21/2002 | CN1365340A Natural gas conversion to hydrocarbons and ammonia |
| 08/20/2002 | US6436359 Pressurized gas stream for removing nitrogen oxides from a combustion gas stream; hydrolyzing urea, pressure in reactor is held within preselected range when demand for ammonia for nitrogen oxide removal drops by cooling the solution |
| 08/15/2002 | WO2002062704A2 Method for quantitative production of gaseous ammonia |
| 08/14/2002 | EP1230158A1 Method of reducing density by means of gas-generating agent |
| 08/14/2002 | CN1363511A Process for preparing fluorine compound and SiO2 from sodium fluosilicate |
| 08/14/2002 | CN1363416A Heterogeneous reactor for heat absorption or release |
| 08/13/2002 | US6430943 Controlled production of ammonia |
| 08/07/2002 | EP1228000A1 Production of fumed silica |
| 08/07/2002 | EP1064227B1 METHOD FOR REPROCESSING WASTE ACID RESULTING FROM TiO2 PRODUCTION |
| 08/07/2002 | CN1362369A Method of reducing entrance temperature of small synthetic ammonia converter |
| 08/07/2002 | CN1088618C Improved catalytic reaction process at optimal temperature and synthesis reactor |
| 08/06/2002 | CA2264261C Method of removing sulfur dioxide from flue gases, especially power plant flue gases and flue gases from garbage incinerator plants |
| 08/01/2002 | US20020102197 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 |
| 07/31/2002 | EP1226103A1 Methanol plant retrofit for manufacture of acetic acid |
| 07/31/2002 | CN1360961A Purifying method of semi-conductor gas |
| 07/31/2002 | CN1088451C Process for ammonia and methanol co-production |
| 07/30/2002 | US6426054 Reforming apparatus |
| 07/30/2002 | US6425946 Reducing the concentration of hydrocarbon while not emitting higher levels of other contaminants |
| 07/25/2002 | US20020098143 Preparing a solution of ammonium nitrate, phase stabilizer(potassium nitrate), and an inert liquid; atomizing the solution to form a stream of droplets; and freeze drying the droplets to form phase stabilized ammonium nitrate |
| 07/25/2002 | US20020098132 In a first mode of operation the plant manufactures hydrogen and methanol by initially steam reforming a hydrocarbon feed, and in second mode of operation hydrogen is formed by steam reforming hydrocarbon or lower alkanol feed |
| 07/25/2002 | US20020096235 Process for preparing free-flowing particulate phase stabilized ammonium nitrate |
| 07/25/2002 | US20020096049 Method and apparatus for removing trace impurities from a reactive gas using preconditioned ultra-low emission carbon material |
| 07/25/2002 | US20020095966 Ammonium sulfate nitrate |
| 07/25/2002 | DE10202470A1 Conversion of ammonium aluminum alum into aluminum sulfate and ammonium sulfate by two-stage dehydration and thermal decomposition |
| 07/24/2002 | EP0641254B1 Catalyst supports, supported catalysts methods of making the same and methods of using the same |
| 07/16/2002 | US6419887 Mixing with sulfuric acid |
| 07/11/2002 | US20020088261 Method and apparatus for producing a fertilizer from gas containing sulfur oxides |
| 07/09/2002 | US6416723 Method for reprocessing waste acid to form gypsum and iron oxide |
| 07/04/2002 | WO2002051752A2 Process and vaporizer for producing ammonia with ultra-low metals content |
| 07/04/2002 | WO2002051525A1 Methods and apparatus for removing trace impurities from inert and non-reactive gases and reactive gases and fluids |
| 07/04/2002 | US20020085969 Reactor for exothermic or endothermic heterogeneous reactions |
| 07/03/2002 | EP1219592A1 Method for production of alkanolamine and apparatus therefor |
| 06/27/2002 | US20020081259 Process for producing ammonia with ultra-low metals content |
| 06/27/2002 | US20020081237 On-site generation of ultra-high-purity buffered-HF and ammonium fluoride |
| 06/27/2002 | US20020079478 Bubbling purified ammonia vapor into ultra-pure hydrofluoric acid and directly supplying to points of use in semiconductor fabrication facility |
| 06/27/2002 | US20020078825 Method and apparatus for removing trace impurities from a gas using superactivated carbon material |
| 06/26/2002 | EP1216750A1 Reactor for exothermic or endothermic heterogeneous reactions |
| 06/26/2002 | CN1086678C Process for recovering ammonia from waste chemical water by digestion method |
| 06/20/2002 | WO2002048027A1 Process and apparatus for the production of ammonia |
| 06/20/2002 | US20020074289 Purifying ammonia, nitrogen, helium, and argon via molecular sieves |
| 06/19/2002 | EP1214965A2 Method for purifying gases |
| 06/19/2002 | CN1086319C System and method of ammonia purification for semicondcutor manufacture |
| 06/14/2002 | CA2365027A1 Method for purifying semiconductor gases |
| 06/13/2002 | WO2002046130A1 Processes for electrically activated transformation of chemical and material compositions |
| 06/12/2002 | EP1176234A9 Catalyst supports, supported catalysts, methods of making the same and methods of using the same |
| 06/12/2002 | EP1060125B1 Process and converter for the preparation of ammonia |
| 06/06/2002 | WO2002026625A3 Novel concept for generating power via an inorganic nitrogen cycle, based on sand as the starting material and producing higher silanes |
| 06/06/2002 | WO2002018273A3 Method for removing contaminants in urea hydrolysis reactors |
| 06/05/2002 | EP1135331B1 Method for obtaining ammonia from waste water containing nh 3? and acid gases |
| 06/04/2002 | CA2260205C Minimizing evaporator scaling and recovery of salts during gasification |
| 05/30/2002 | WO2002042209A1 Multiple-pressure process for the production of ammonia |
| 05/30/2002 | WO2001083374A3 Method for producing calcium nitrate granules |
| 05/29/2002 | DE10057863A1 Mehrdruckverfahren zur Herstellung von Ammoniak More printing processes for the production of ammonia |
| 05/29/2002 | CN2493608Y Energy-saving safety film nitrogen making machine |
| 05/23/2002 | WO2002040427A2 Ammonium sulfate nitrate |
| 05/23/2002 | DE10055818A1 Catalytic production of ammonia, especially for direct conversion into urea, using nitrogen-hydrogen starting gas mixture obtained from natural gas by autothermal reforming and catalytic conversion |
| 05/22/2002 | EP1206411A1 Process for treating a mixture comprising an ammonium sulfate solution phase and an aqueous lactam phase |
| 05/16/2002 | WO2002038499A1 Method for producing ammonia on the basis of a nitrogen-hydrogen mixture from natural gas |
| 05/16/2002 | WO2002038498A1 Method for the purification of melamine-containing ammonia |