Patents
Patents for C01C 1 - Ammonia; Compounds thereof (7,027)
04/2004
04/20/2004US6723876 Process for the integrated preparation of ammonia and urea
04/15/2004WO2004030810A1 Catalyst for the synthesis of ammonia
04/15/2004US20040073077 Decomposition of nitrogen-based energetic material
04/13/2004US6720282 Method for producing a preconditioned ultra-low emission carbon material
04/13/2004US6719842 Ammonia for use in manufacture of GaN-type compound semiconductor and method for manufacturing GaN-type compound semiconductor
04/07/2004EP1404613A1 Process for the preparation of hydroxylammonium
04/07/2004CN1486930A Clincker eliminating method for carbonizer in ammonium bicarbonate production
04/07/2004CN1144773C Ammonium nitrate body and producing process thereof
04/07/2004CN1144756C Process for recovering and recycling ammonia from acrylonitrile reactor efflvent using ammonium phosphate quench system
04/06/2004US6716791 Catalyst for the synthesis of ammonia from hydrogen and nitrogen
04/01/2004WO2003103803A3 Flue gas desulfurization process and apparatus for removing nitrogen oxides
04/01/2004US20040063052 Novel concept for generating power via an inorganic nitrogen cycle, based on sand as the starting material and producing higher silanes
03/2004
03/31/2004EP1401766A1 Improved ammonia plant configurations and methods
03/31/2004CN1485590A Electric oven and method of controlling the same
03/31/2004CN1485135A Catalyst for ultralow temperature high activity ammonia synthesis
03/31/2004CN1143820C Process for preparing potassium sulfate with multiform by-products
03/25/2004US20040057891 Contacting ammonia synthesis gas with one or more catalysts, at least one catalyst having supported ruthenium as the active catalytic material supported on a nitride on a secondary support
03/24/2004EP1062037B1 Catalyst for the synthesis of ammonia from hydrogen and nitrogen
03/24/2004CN1483672A Thermal energy self-supply technology and equipment for carbon ammine production change system
03/23/2004US6710012 Superactivating carbon by heating to given temperature range in an ultra-dry, inert gas stream; use to remove trace impurities such as carbon monoxide, water, hydrocarbons and carbon dioxide from process gas
03/23/2004US6709482 Method for reducing trace impurities from a reactive fluid using preconditioned ultra-low emission carbon material
03/18/2004WO2004022205A1 Method and apparatus for eliminating and recovering s02 from fume
03/18/2004US20040054176 Method for the purification of melamine-containing ammonia
03/17/2004EP1398586A2 Method and apparatus for producing a purified liquid
03/17/2004EP1397633A2 Fluid processing device and method
03/17/2004CN1483000A Process for producing ammonia with ultra-low metals content
03/17/2004CN1481933A Ammonia synthetic catalyst and method for making the same
03/17/2004CN1142107C Process for treating waste liquid of furaldehyde and recovering butyl acetate, ammonium sulfate, ammonium acetate, acetamide and acetonitrile
03/16/2004US6706093 Method and apparatus for preventing iron contamination in corrosive service
03/10/2004EP1395352A1 Method for carrying out the selective catalytic reduction of nitrogen oxides with ammonia in the lean exhaust gas of a combustion process
03/04/2004US20040042951 Multiple-pressure process for the production of ammonia
03/04/2004US20040040288 Method and apparatus for producing ammonia (NH3)
03/02/2004US6699584 Nitric acid-based salt granule and aggregate thereof
03/02/2004CA2098337C Catalytic reactor bed
02/2004
02/26/2004US20040035148 Thermodynamically efficient purified liquid production method and apparatus using an improved purification chamber; for carbon dioxide, nitrous oxide, ammonia and fluorocarbons
02/25/2004EP1391428A1 Process for the preparation of ammonia and catalyst therefore
02/25/2004EP1390301A1 Nitrate reduction using so2
02/25/2004EP1390297A1 Processes and apparatus for quantitatively converting urea to ammonia on demand
02/24/2004US6696026 Process for combined production of ammonia and urea
02/19/2004DE10236019A1 Reactor for endothermic gas reactions, e.g. propane dehydrogenation or off-gas purification, has insulated electric heating blocks made of open-cell ceramic or metallic foam filling the reactor cross-section
02/12/2004US20040028595 Method for producing ammonia on the basis of a nitrogen-hydrogen mixture from natural gas
02/11/2004CN1474783A Multiple pressure process for production of ammonia
02/11/2004CN1474782A Method for producing ammonia on the basis of a nitrogen-hydrogen mixture from natural gas
02/11/2004CN1473797A United process for producing hydrocarbon products and ammonia
02/11/2004CN1137970C Minimizing evaporator scaling and recovery of salts during gasification
02/10/2004US6689181 Ammonium sulfate nitrate
02/05/2004WO2004011374A1 Method for removing ammonia from a gas comprising hydrogen cyanide, ammonia and water
02/05/2004US20040022709 Method for removing ammonia from a gas comprising hydrogen cyanide, ammonia and water
02/04/2004EP1385785A2 Method for the catalytic production of ammonia from synthesis gas
02/04/2004EP1385782A1 Method for energy generation by production and reaction of aluminium nitride
02/04/2004EP1019321B1 Methods for the production of ammonia from urea and uses thereof
02/04/2004CN1473256A Ammonia storage
02/04/2004CN1137071C Process for preparing loose ammonium nitrate crystals using anti-hardening agent
02/04/2004CN1137050C Process for increasing concentration of solid-phase potassium nitrate and quality of resultant potassium nitrate
02/03/2004US6685754 Method for the production of hydrogen-containing gaseous mixtures
01/2004
01/29/2004WO2004010454A2 Plasma reactor for carrying out gas reactions and method for the plasma-supported reaction of gases
01/29/2004CA2493279A1 Plasma reactor for carrying out gas reactions and method for the plasma-supported reaction of gases
01/22/2004US20040013595 Method for producing nitrogen trifluoride using jet-loop reactors
01/22/2004US20040013585 Fluid processing device and method
01/21/2004EP1381566A1 Process for size classifying ammonium sulfate crystals which are present in a suspension
01/15/2004WO2004005187A1 Method and device for supporting catalyst gauzes in an ammonia oxidation burner
01/15/2004US20040009873 Comprises substrate such as alumina having plurality of pores and surface area ranging from 100-2,500 m2/g and a compound such as cesium sulfate or zirconium sulfate disposed within substrate; for ammonia purification for use in semiconductors
01/15/2004DE10228990A1 Integriertes, kontinuierliches Verfahren zur Herstellung molekularer Einkomponentenvorläufer mit Stickstoff-Brückenfunktion Integrated, continuous process for producing single-component molecular nitrogen-bridge
01/14/2004EP1380339A1 Adsorbent for water removal from ammonia
01/13/2004US6676917 Process for the production of hydrochloric acid and neutralized sulfates
01/13/2004US6676906 Containing catalyst particles between cooled dividing walls
01/08/2004WO2004003452A1 Multiservice heat exchange unit
01/08/2004WO2004002886A1 Integrated, continuous method for the production of molecular single-component precursors having a nitrogen bridging function
01/08/2004WO2004002879A1 Method and apparatus for ammonia synthesis gas production
01/08/2004CA2489101A1 Method and apparatus for ammonia synthesis gas production
01/07/2004EP1377518A2 Method for producing ammoniac from methanol
01/07/2004CN1133583C Process and plant for combined production of ammonis synthesis mixture and carbon monoxide
01/07/2004CN1133582C Process and plant for production of carbon monoxide and hydrogen
01/07/2004CN1133493C Efficient catalyst for synthesizing ammonia and its preparing process
01/07/2004CN1133491C Process for preparing ruthenium-aluminium oxide catalyst
01/06/2004US6673732 Washing off promoters using bases, then dissolving the magnesium oxide catalyst support in acids and separating ruthenium from the solutions
01/02/2004EP1376040A1 Multiservice heat exchange unit
01/02/2004EP1375418A1 Method and apparatus for ammonia synthesis gas production
01/02/2004EP1374976A1 Process and reactor for the conversion of urea to ammonia and exhaust gas cleaning system
01/02/2004EP1373131A1 Method for the production of hydrogen and applications thereof
01/02/2004EP1372823A1 Method for the purification of corrosive gases
01/02/2004EP1372821A2 Method for the absorptive outward transfer of ammonia and methane out of synthesis gas
12/2003
12/31/2003WO2004000723A1 Method for the production of hydrogen-containing gaseous mixtures
12/31/2003CN1132686C 从氢气和氮气合成氨的催化剂 Hydrogen and nitrogen from ammonia catalyst
12/31/2003CA2490425A1 Method for the production of hydrogen-containing gaseous mixtures
12/25/2003US20030234011 Combustion system having an emission control device
12/18/2003WO2003104144A1 Method for producing highly pure anhydrous solutions containing hydrogen fluoride
12/18/2003WO2003103803A2 Flue gas desulfurization process and apparatus for removing nitrogen oxides
12/17/2003CN1131101C Ru-based ammonia synthesizing catalyst carried by nano carbon fiber and its prepn.
12/16/2003US6663681 By steam reduction using a metal/metal oxide couple (such as iron dissolved in dilute tin which oxidized to form iron oxide) to remove oxygen from water
12/11/2003US20030228246 Flue gas desulfurization process and apparatus for removing nitrogen oxides
12/10/2003EP1286963B1 Method for separating ammonia from solutions containing caprolactam and ammonia
12/10/2003CN1460642A Method for coproducing soda, potassium sulfate and ammonium chloride
12/09/2003US6660066 Selectively adsorbing ammonia in purge gas from synthesis loop, removing again by ammonia free gas stream containing hydrogen and nitrogen at same elevated pressure as synthesis loop, using ammonia free gas stream as make-up gas stream
12/04/2003WO2003099721A1 Process for removing ammonia from an ammonia-containing gas stream
12/03/2003CN1459416A New technology of preparing large particle ammonium hydrogen carbonate
11/2003
11/26/2003CN1458065A Recovering process for NH3 and CO2 from production of low salt low potassium heavy sodium carbonate
11/19/2003CN1456506A Method for producing aluminium fluoride
11/19/2003CN1456504A Wast heat recovering and utilizing method for ammonia synthesis
11/19/2003CN1456503A Pretreating process for ammonia
1 ... 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 ... 71