| Patents for C01C 1 - Ammonia; Compounds thereof (7,027) |
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| 05/30/1989 | CA1254874A1 Oxidic precursor of an iron catalyst and its production |
| 05/23/1989 | US4833293 Plasma nitrogen fixation with short path heat transfer |
| 05/23/1989 | US4831968 Reboiler |
| 05/18/1989 | WO1989004291A1 Granular ammonium sulphate and process for the production thereof |
| 05/18/1989 | DE3737747A1 Process for extracting the ammonia from liquid manure and the conversion thereof into concentrated ammonia (NH3) water |
| 05/03/1989 | EP0314550A1 Exothermal heterogeneous high-pressure synthesis process in the gas phase, and reactor for carrying it out |
| 04/26/1989 | EP0313211A1 Ammonia synthesis gas |
| 04/26/1989 | EP0312943A2 Cellulose acetate butyrate gas separation membranes |
| 04/19/1989 | EP0311932A1 Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarbon reformate |
| 04/18/1989 | US4822586 Ammonia synthesis method |
| 04/13/1989 | DE3732661A1 Process for recovering ammonium sulphate and sodium sulphate from aqueous solutions |
| 04/11/1989 | US4820495 Plate reactors for chemical syntheses under high pressure in gaseous phase and with heterogeneous catalysis |
| 04/04/1989 | US4818494 Apparatus for manufacturing nitrogen fertilizer solutions |
| 03/29/1989 | EP0308719A1 Method for production of hydroxylammonium salt |
| 03/22/1989 | EP0307869A1 Process for producing ammonia and sulfur dioxide |
| 03/21/1989 | US4813980 Recovery of nitrogen, hydrogen and carbon dioxide from hydrocarbon reformate |
| 03/15/1989 | CN1003582B Separating ammonium of circular gas of synthesis by means of dilution of liquid ammonium |
| 03/14/1989 | CA1251196A1 Process for preparing iron-based catalysts for the synthesis of ammonia and catalysts so obtained |
| 03/08/1989 | EP0305512A1 Waste-gas treatment process |
| 03/08/1989 | CN2033814U Fresh gas dryer for ammonia synthesis |
| 03/08/1989 | CN1003505B Synthetic reactor and application thereof |
| 03/07/1989 | US4810417 Process for the simultaneous production of methanol synthesis gas and ammonia synthesis gas |
| 02/28/1989 | CA1250564A1 Method for preparing dual colloid catalyst compositions |
| 02/15/1989 | EP0303032A1 Synthesis process and apparatus, especially for the synthesis of ammonia |
| 02/08/1989 | CN2032190U Ammonia converter |
| 02/08/1989 | CN1030878A Improved process for heterogeneous synthesis and related reactors |
| 02/08/1989 | CN1030877A Process and apparatus for pressure chemical reactions in the multi-reactionary range having external intermediary thermoregulation |
| 02/01/1989 | EP0301344A1 Process for applying anti-caking agents to bifluoride of ammonium and/or fluoride salt-mixtures and/or -salts |
| 01/25/1989 | EP0300151A1 Process for preparing ammoniac from natural gas |
| 01/10/1989 | US4797383 Catalyst |
| 01/10/1989 | CA1248327A1 Ammonia synthesis converter |
| 01/04/1989 | EP0297474A2 Improved process for heterogeneous synthesis and related reactors |
| 01/04/1989 | CN1030063A Process for the production of ammonia from natural gas |
| 01/03/1989 | CA1247852A1 Process for preventing agglomeration of powders |
| 12/27/1988 | US4793829 Permeation process for separating ammonia from a gas mixture |
| 12/21/1988 | CN88103094A Modular manifold means for distributing flow of gas in preferably catalytic reactor |
| 12/15/1988 | DE3718370A1 Process and apparatus for the thermal treatment of catalysts |
| 12/14/1988 | EP0294564A1 Process for the reduction of the NH3-methanol-emission of an ammonia synthesis plant |
| 12/07/1988 | EP0293737A2 Ammonia separation using semipermeable membranes |
| 12/07/1988 | EP0293736A2 Ammonia separation using ion exchange polymeric membranes and sorbents |
| 12/07/1988 | EP0293546A2 System to deal with the efficiency of reactors for exothermic ammonia synthesis |
| 12/06/1988 | US4789657 Melting magnetite with mixture of aluminum, potassium, calcium, magnesium, and silicone oxides; quenching |
| 12/06/1988 | US4789538 Aluminum-free metal-cyanide complex catalyst |
| 12/06/1988 | US4789527 Catalytic gas synthesis apparatus |
| 11/23/1988 | CN88102155A System toobtain an optimal gas distribution in catalytic beds for heterogeneous reactions in gaseous phases |
| 11/15/1988 | CA1244815A1 Catalysts |
| 11/15/1988 | CA1244814A1 Iron oxide containing precursor to a catalyst |
| 10/27/1988 | DE3712008A1 Process for the simultaneous production of methanol and carbon monoxide |
| 10/26/1988 | EP0287765A2 System to improve the efficiency of reactors for exothermic synthesis and more particularly for the reaction of ammonia |
| 10/25/1988 | US4780298 Ammonia synthesis |
| 10/25/1988 | CA1243473A1 Device for achieving a uniform distribution of the gas flowing radially through a catalyst bed |
| 10/25/1988 | CA1243469A1 Ammonia synthesis |
| 10/19/1988 | CN88101254A Device for nitrogen and oxygen treatment with the aid of a catalyst |
| 10/19/1988 | CN87108154A Device conceived as nh3 reactor |
| 10/18/1988 | US4778662 Fillable space between heat exchanger tubes in catalyst bed; low pressure |
| 10/13/1988 | DE3711503A1 Ammonia removal from combustion ash esp. fly ash - using small amt. of water, and drying under alkaline conditions with reduced drying energy |
| 10/12/1988 | EP0286449A1 Recovery of ammonia and hydrogen fluoride from ammonium fluoride solutions |
| 10/12/1988 | EP0285887A2 System to obtain an optimal gas distribution in catalytic beds for heterogeneous reactions in gasseous phases |
| 10/12/1988 | EP0285757A1 Catalytic treatment device for nitrogen and hydrogen |
| 10/11/1988 | CA1242867A1 Device for performing exothermal catalytic gas reactions for the ammonia or methanol synthesis |
| 10/05/1988 | CN88100966A Double-stage ammonia converter with at least one catalyst bed and central heat exchanger |
| 10/04/1988 | CA1242565A1 Ammonia synthesis process |
| 09/28/1988 | CN88101281A Process for the hydrolysis of urea in dilute aqueous urea solution |
| 09/27/1988 | US4774066 Pollution control, removal of hydrogen sulfide, ammonia and carbon dioxide |
| 09/22/1988 | WO1988007022A1 Waste-gas treatment process |
| 09/22/1988 | DE3707605A1 Ammonia synthesis having an integrated refrigeration circuit |
| 09/21/1988 | EP0282869A1 Process and installation for separating ammonia ions as well as chlorinated hydrocarbons and/or hydrocarbons from waste water |
| 09/21/1988 | EP0282699A2 Two-step ammonia converter containing at least one catalyst bed internally supplied with a heat exchanger |
| 09/20/1988 | US4772579 Iron oxide cylinders, ammonia synthesis |
| 09/14/1988 | EP0282165A1 Method and plant for recovering hydrogen and argon from ammonia synthesis purge gas |
| 09/08/1988 | DE3706328A1 Process for preparing ammonium nitrate of the IV crystal modification |
| 09/07/1988 | CN87100963A Synthetic reactor and application thereof |
| 09/06/1988 | US4769220 Converter for heterogeneous synthesis more particularly for ammonia, methanol and higher alcohols |
| 09/06/1988 | US4768584 Device for cooling gases deriving from ammonia synthesis |
| 08/31/1988 | EP0280010A1 Process and installation for the removal of ammonium nitrate and/or nitric acid from vapours released by an ammonium nitrate production plant |
| 08/24/1988 | EP0279713A1 Process and apparatus for bringing about chemical reactions under pressure in a multi-level reaction zone using intermediate, exterior thermal treatments |
| 08/24/1988 | CN87107537A Improved pipe reactor for the mfr. of ammonium phosphates containing ammonium sulfate |
| 08/16/1988 | US4764499 Method for producing dual colloid catalyst composition |
| 08/10/1988 | EP0277901A1 Process and installation for the production of ammonium nitrate |
| 08/09/1988 | US4762600 Ferric oxide catalyst |
| 08/09/1988 | US4762535 Ammonia separation using semipermeable membranes |
| 08/09/1988 | US4762531 Method for regulating the pressure of a gas produced in a reactor |
| 08/03/1988 | CN87108165A Device for the control of an ammonia converter etc. |
| 07/20/1988 | CN87107538A New pipe reactor |
| 07/19/1988 | US4758250 Ammonia separation using ion exchange polymeric membranes and sorbents |
| 07/14/1988 | WO1988005028A1 Production of rounded, granular ammonium sulfate crystals |
| 07/13/1988 | EP0274020A1 Process and apparatus for the production of suspended alkaline-earth carbonates |
| 07/13/1988 | EP0274006A1 Device for heat exchange between a circulation gas leaving an NH3 converter and water |
| 07/12/1988 | US4756897 Process for preparing concentrated byproduct nitrate solutions |
| 07/06/1988 | EP0273231A2 Regulating device, in particular for an ammoniac converter |
| 07/06/1988 | CN87210290U 氨合成塔 Ammonia Converter |
| 07/06/1988 | CN87107464A Process and device for the temp. control of catalyst beds in ammonia synthesis plants |
| 07/05/1988 | US4755362 Inserting two perforated walls into catalyst bed, one with unperforated top portion, applying sealed annular bottom |
| 06/29/1988 | EP0272974A2 Process of neutralisation of acids by ammoniac |
| 06/29/1988 | EP0272548A2 A process for obtaining ferric oxide and ammonium salts, and apparatus for carrying out said process |
| 06/29/1988 | EP0272449A2 Process and apparatus for controlling the temperature of the catalyst beds in ammoniac synthesis plants |
| 06/29/1988 | EP0272448A2 Apparatus for use as an ammoniac reactor |
| 06/29/1988 | CN87108053A Process for synthesis of ammonia |
| 06/22/1988 | EP0272183A1 Production of ammonium phosphates containing ammonium sulphate |
| 06/22/1988 | EP0271639A2 Gas-cooling device for ammoniac synthesis |