Patents
Sitemap › C01 - Inorganic chemistry › C01C - Ammonia; Cyanogen; Compounds thereof › C01C 1 - Ammonia; Compounds thereof
Patents for C01C 1 - Ammonia; Compounds thereof (7,027)
05/1997
05/02/1997EP0770578A2 Ammonia production with enriched air reforming and nitrogen injection into the synthesis loop
05/01/1997WO1997015529A1 A process for ammonia recovery in ammonia production
04/1997
04/23/1997EP0768915A1 Novel precursor for forming metal carbide catalysts
04/16/1997CN1147501A Producing process for rare earth oxide
04/16/1997CN1147480A Continuous potassium sulfate producing method and equipment
04/08/1997US5618511 Process for producing ammonium sulfate from flue-gas scrubber waste liquor
03/1997
03/26/1997CN1145877A Process for recovering high purity liquid ammonia from oil-refining waste water
03/20/1997WO1997010194A1 Process for the ammonia and methanol co-production
03/20/1997DE19545290C1 Prepn. of free-flowing solid mixt. of calcium fluoride and calcium sulphate
03/20/1997CA2229609A1 Process for the ammonia and methanol co-production
03/19/1997EP0763379A1 Fe 1-x O-BASED CATALYST FOR AMMONIA SYNTHESIS
03/12/1997EP0689527B1 Phase-stabilized ammonium nitrate and method of making same
03/12/1997CN1144772A Technology for preparing potasium sulfate by cold salting-out circulation method
03/04/1997US5608130 Methods for the synthesis of chemical compounds
02/1997
02/20/1997WO1997006104A1 Process for removing oxygen from ammonia at room temperature
02/19/1997EP0758263A1 Method and apparatus for the permeation separation of a gas mixture
02/19/1997CN1034070C Isobaric combination producing apparatus for methanol and ammonia
02/12/1997CN1142410A Improved polymeric Membrane
02/12/1997CN1034009C Anti-caking agent for ammonium nitrate
02/05/1997EP0756895A2 Process for the preparation of a catalyst useful for the conversion of synthesis gas
02/04/1997US5599380 Polymeric membrane
02/04/1997CA2058262C Process for extracting or disposing of ammonia or ammonia compounds from dust mixtures
01/1997
01/29/1997EP0755534A1 Maximizing process production rates using permanent constraints
01/29/1997CN1141356A Electrolysis method for prodn. of ammonium polysulfide
01/14/1997CA2032627C Process for producing sodium carbonate and ammonium sulphate from sodium sulphate
01/09/1997WO1997000829A1 Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate
01/03/1997WO1997000227A1 Process for producing high-purity chemicals
12/1996
12/27/1996WO1996041687A1 On-site manufacture of ultra-high-purity hydrofluoric acid for semiconductor processing
12/25/1996CN1138557A Method for preparing potassium sulphate
12/18/1996EP0748794A1 Integrated urea/ammonia process
12/18/1996CN1033573C Process for the preparation and purification of a hydroxylammonium salt solution
12/17/1996US5585074 Method and apparatus for in-situ modernization of a heterogeneous exothermic synthesis reactor, particularly of the so-called kellogg type
12/12/1996WO1996039651A1 System and method for on-site mixing of ultra-high-purity chemicals for semiconductor processing
12/12/1996WO1996039358A1 Point-of-use ammonia purification for electronic component manufacture
12/12/1996WO1996039266A1 On-site generation of ultra-high-purity buffered-hf for semiconductor processing
12/12/1996WO1996039265A1 On-site ammonia purification for semiconductor manufacture
12/12/1996WO1996039264A1 On-site manufacture of ultra-high-purity hydrochloric acid for semiconductor processing
12/12/1996WO1996039263A1 On-site manufacture of ultra-high-purity nitric acid for semiconductor processing
12/12/1996WO1996039237A1 On-site generation of ultra-high-purity buffered hf for semiconductor processing
12/05/1996WO1996038222A1 Catalyst and process for preparing ammonia
12/05/1996CA2222806A1 Catalyst and process for preparing ammonia
11/1996
11/20/1996EP0742786A1 Methods for the synthesis of chemical compounds
11/20/1996CN1136015A Improvement of ammonia synthesis suitable for middle or small size plant
11/20/1996CN1033309C Organic and inorganic sulfur removing technology at normal temperature
11/13/1996CN1135458A Method for recovering heat in production of synthesized ammoia
11/13/1996CN1033267C Synthesis gas production method
11/12/1996US5573991 Preparation of metal carbide catalyst supported on carbon
10/1996
10/29/1996US5569635 Catalyst supports, supported catalysts and methods of making and using the same
10/22/1996US5567887 Anhydrous ammonia gas sampler and concentration system
10/09/1996CN1132721A Sodium tripolyphosphate producing method with associated ammonia water product
10/03/1996WO1996030299A1 Method of regeneration of iron chelates in nitric oxide scrubbing
10/02/1996CN1132107A Ammonia reagent application for NOx, SOx and particulate emission control
09/1996
09/18/1996CN1032804C Method for production of potassium sulphate using ammonium sulphate and potassium chloride
09/12/1996WO1996027427A1 Method and apparatus for the permeation separation of a gas mixture
09/12/1996CA2191086A1 Method and apparatus for the permeation separation of a gas mixture
09/10/1996US5554353 Catalytic reduction of nitrogen monoxide
08/1996
08/29/1996WO1996026158A1 Manufacturing method for porous ammonium nitrate
08/29/1996CA2213479A1 Manufacturing method for porous ammonium nitrate
08/21/1996EP0727390A2 Process for the electrochemical preparation of ammonium polysulfide
08/20/1996US5547492 Pressure swing adsorption
08/13/1996US5545388 Catalytic transfer hydrogention
08/07/1996EP0724468A1 Disposal of hydrazine propellants
08/07/1996CN1032465C Ammonia/water membrane separation and technique for recovery of ammonia
08/06/1996US5543123 Low pressure formation of a urea hydrolysate for nitrogen oxides reduction
07/1996
07/31/1996CN1032418C decomposition process for ammonium chloride
07/30/1996US5540793 Porous prilled ammonium nitrate
07/16/1996CA2028293C Method for treating zinc-containing sulfate solution
07/10/1996CN1126176A Anti-corrosive method and apparatus by heat exchange of saturated gas with changing gas
06/1996
06/26/1996EP0718238A1 Process for the preparation of ammonium chloride
06/26/1996EP0718031A1 Composite hydrogen separation element and module
06/20/1996CA2162084A1 Composite hydrogen separation element and module
06/12/1996CN1124230A Producing method for synthetic ammonia
06/11/1996US5525317 Ammonia reagent application for NOX SOX and particulate emission control
06/04/1996US5523483 Integrated urea/ammonia process
05/1996
05/15/1996CN1122259A System to improve the efficiency of reactors for exothermic synthesis and more particularly for the reaction of ammonia
05/07/1996US5514359 Process for making anhydrous magnesium chloride
05/07/1996US5514358 Method for the synthesis of chemical compounds
05/05/1996CA2161503A1 Ammonia reagent application for nox, sox and particulate emission control
04/1996
04/24/1996EP0648190B1 Method of manufacturing free-flowing ammonium nitrate particles applying an anticaking agent
04/23/1996US5510094 Desulfurization of flue gas to form gypsum and ammonium sulfate
04/18/1996WO1996011165A1 Process for synthesizing thiocarbonates
04/17/1996CN1120619A Reinforcing bar cage and its construction method
04/17/1996CN1120519A Method for eliminating NHa-N from thin ammonia water
04/17/1996CN1031561C Process for preparation of large grain ammonium sulphate
04/10/1996CN1120017A Thermal compound-decomposition method for preparation of potassium sulfate and its technology with potassium chloride and ammonia sulfate
04/03/1996CN2223743Y Conversion device for built-in unit of N-H ratio self adjusting control device and gas prodn. control equipment
04/03/1996CN1031468C Sherardizing (zincizing) method and device
04/03/1996CN1031458C Synthetic ammonia transformation work section waste heat recovery process
03/1996
03/27/1996CN1031391C Autothermal steam reforming process
03/20/1996EP0701970A1 Process for the preparation of ammonia water
03/13/1996EP0689527A4 Phase-stabilized ammonium nitrate and method of making same
03/12/1996US5498401 Disposal of hydrazine propellants
03/12/1996US5498278 Composite hydrogen separation element and module
03/07/1996WO1996006672A1 Molten urea dehydrate derived compositions
03/06/1996EP0699171A1 Axial radial reactors in the braun synloop
03/05/1996US5496778 Point-of-use ammonia purification for electronic component manufacture
02/1996
02/28/1996CN1031110C Process and apparatus for exothermic reactions
02/20/1996US5492882 Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors in industrial applications
02/14/1996EP0495089B1 Nitrogen oxides reduction using a urea hydrolysate
02/14/1996CN2219885Y Antiseptic ammonia water cooling device
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