| Patents for C01C 1 - Ammonia; Compounds thereof (7,027) |
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| 02/20/1979 | US4140586 Method and apparatus for distillation |
| 02/13/1979 | US4139601 Ammonium nitrate neutralization |
| 02/06/1979 | US4138472 Evaporation |
| 02/06/1979 | US4138434 Integrated ammonia-urea producing process, for the production of urea |
| 02/06/1979 | CA1048175A1 Phillipsite-gismondite for ammonia |
| 01/30/1979 | CA1047224A1 Hydrogen cyanide destruction |
| 01/16/1979 | CA1046666A1 Vacuum stripping of ammonia |
| 01/16/1979 | CA1046661A1 Removal of nitrogen from waste waters |
| 12/26/1978 | US4131452 Method for direct manufacture of crude steel |
| 12/05/1978 | US4128621 Production of ammonia |
| 10/31/1978 | US4123506 Utilization of impure steam contaminated with hydrogen sulfide |
| 10/31/1978 | CA1041550A1 Hydrolysis of toluene diamines to produce methyl resorcinols |
| 10/31/1978 | CA1041549A1 Production of hydroquinone |
| 10/24/1978 | CA1040838A1 Process for the production of ammonium fluoride from fluosilicic acid |
| 10/17/1978 | US4120667 Isolation of pure ammonia from gas mixtures containing ammonia and carbon dioxide |
| 10/17/1978 | CA1040659A1 Production of hydroquinone |
| 09/26/1978 | US4117089 Process for preparing sodium ammonium hydrogen-phosphate and ammonium chloride from wet process phosphoric acid |
| 09/19/1978 | CA1038598A1 Ammonia synthesis |
| 09/12/1978 | US4113590 To ammonia, hydrazine, and mixtures by reaction with water on solid metal oxide irradiated with ultraviolet light |
| 09/12/1978 | CA1038278A1 Recovery of ammonia from underground storage |
| 08/22/1978 | US4108735 Method for improved distillation of ammonia from weak ammonia liquor |
| 08/22/1978 | US4108734 Process for the distillation of weak ammonia liquor |
| 08/15/1978 | US4107277 From nitrogen and hydrogen, electrolysis of water |
| 08/01/1978 | US4104191 Thermal conversion in the presence of an oxidant |
| 07/18/1978 | US4101281 Radial-flow reactor for the synthesis of ammonia with production of high thermal-level steam |
| 06/13/1978 | US4094958 Process for the separation of NH3 from a gaseous mixture containing NH3 and HCN |
| 06/13/1978 | US4094643 Ammonium nitrate neutralizer |
| 06/06/1978 | US4093544 Method and apparatus for ammonia-nitrogen removal by vacuum desorption |
| 05/30/1978 | US4092227 Process for catalyzing chemical reactions |
| 05/23/1978 | US4091074 Removing nitrogen oxides and sulfur oxides from exhaust gases |
| 05/09/1978 | US4088740 Ammonia production |
| 05/02/1978 | US4087513 Method of hydrolyzing urea contained in waste water streams |
| 04/04/1978 | US4082797 Method for the condensation of carbammate in urea-synthesis installations |
| 03/28/1978 | US4081515 Catalytic conversion of an ammonium sulfate to sulfur dioxide and ammonia |
| 03/28/1978 | US4081442 Process for the recovery of ε-caprolactam from a reaction mixture of ε-caprolactam and sulphuric acid |
| 02/28/1978 | US4076773 Cooling gas containing ammonia, dehumidifying |
| 02/21/1978 | US4075306 Pretreating |
| 01/24/1978 | US4070445 Reduction of aqueous thiosulfate solutions |
| 01/17/1978 | US4069029 Process and apparatus for producing and using cold ammonia |
| 12/27/1977 | US4065486 Process for recovery of products from a waste stream in the manufacture of acrylonitrile |
| 12/20/1977 | US4064219 Method of injecting ammonia into a flue for waste gases |
| 12/06/1977 | US4061718 Method for the recovery of ammonia from liquor from the filters of ammonia-soda plants |
| 12/06/1977 | US4061675 Process for the synthesis of urea from carbon dioxide and ammonia |
| 11/29/1977 | US4060591 Continuous process for recovering pure, concentrated ammonia |
| 11/22/1977 | US4059409 Apparatus for eliminating ammonia fumes emanating from diazo copiers |
| 11/15/1977 | US4058589 Treatment of ammonia synthesis purge gas |
| 11/15/1977 | US4058389 Ammonium sulfate from ferrous sulfate and ammonia |
| 11/08/1977 | US4057614 Process for producing sodium fluoride from sodium silicofluoride |
| 11/01/1977 | US4056603 From nitrogen and hydrogen, argon or methane inert gas, catalyst |
| 10/25/1977 | US4055627 Recycling, absorption, blending, feeding |
| 10/25/1977 | US4055623 Alkali metal sulfite |
| 10/18/1977 | US4054562 Rearrangement of cycloalkanone-oxime with sulfuric acid or oleum |
| 09/20/1977 | US4049807 2-Amino-1,3-thiazines their use and preparation |
| 09/20/1977 | US4049782 Process for producing pure concentrated ammonia |
| 09/20/1977 | US4049778 Particulate ammonium nitrate with added ferric phosphate and calcium sulfate |
| 09/20/1977 | US4049646 Process for the manufacture of lactams |
| 09/06/1977 | US4046860 Ammonium fluoride process for defluorinating phosphoric acids and production of ammonium fluosilicate |
| 08/30/1977 | US4045540 Process for the synthesis of ammonium nitrite |
| 07/26/1977 | US4038369 Method for the abatement of hydrogen chloride |
| 07/19/1977 | US4036830 Concentration, solvent extraction |
| 06/28/1977 | US4032618 Cobalt molybdenum sulfide catalyst |
| 06/14/1977 | US4029745 Process for reducing molten ammonium sulfates containing metallic impurities to ammonia and sulfur dioxide |
| 06/14/1977 | US4029744 Process for removing the salt of a weak acid and a weak base from solution |
| 05/31/1977 | US4026997 Process for the production of ammonium fluoride from fluosilicic acid |
| 05/17/1977 | US4023935 Method of making finely particulate ammonium perchlorate |
| 04/19/1977 | US4018876 Process for the production of metal oxalates and soda ash |
| 04/05/1977 | US4016075 Adding ammonium hydroxide |
| 04/05/1977 | US4015946 Lactams, solvent extraction |
| 03/22/1977 | US4013779 Process for removal of ammonia, hydrogen sulfide and hydrogen cyanide from gases containing these substances |
| 03/22/1977 | US4013431 Partial or complete separation of gas mixtures, containing ammonia and carbon dioxide |
| 03/15/1977 | US4012488 Process for the treatment of sulfur and nitrogen oxides formed during power generation |
| 03/15/1977 | US4012482 Scrubbing of ammonia from oxime liquid ion exchange reagents |
| 03/15/1977 | US4012443 Integrated urea-ammonia process |
| 03/08/1977 | US4010797 Heat exchanger |
| 02/22/1977 | US4009243 Continuous process for scrubbing out hydrogen sulfide and ammonia from coke oven gas |
| 02/22/1977 | US4009088 Process for producing aqueous solutions of sodium, ammonium and magnesium sulphite |
| 02/15/1977 | US4008064 Method of pan granulation |
| 01/18/1977 | US4003986 Process for producing sulfur from sulfur dioxide or ammonium sulfites |
| 01/18/1977 | US4003978 Catalytic oxidation of ammonia to nitrogen; chromium catalyst |
| 01/11/1977 | US4002729 Method for thermochemical decomposition of water |
| 01/11/1977 | US4002565 Waste-water process |
| 01/04/1977 | US4001374 Process for removing ammonia from gases |
| 12/28/1976 | US4000251 Method of purifying ammonium fluoride solutions |
| 12/21/1976 | US3998932 Process for the catalytic synthesis of ammonia |
| 12/21/1976 | US3998885 Precipitation of ammonium nitrate with ammonia gas; filtration |
| 11/23/1976 | US3993735 Cleanup of wet process phosphoric acid |
| 11/23/1976 | US3993730 Purification of coke oven gas with production of sulfuric acid and ammonium sulfate |
| 11/16/1976 | US3992508 Method of removing nitrogen oxides from a gas containing nitrogen oxides |
| 11/16/1976 | US3992328 Process for the preparation of ammonia synthesis catalyst and catalyst prepared by the process |
| 11/09/1976 | US3991161 Method of removing nitrogen oxides from a gas and for converting same to ammonium sulfate |
| 11/09/1976 | US3991047 Process for preparing lactams |
| 10/19/1976 | US3987150 Ammonium chloride and nitrogen dioxide |
| 10/12/1976 | US3985863 Process for the separation and recovery of ammonia and acid gases |
| 10/12/1976 | US3985859 Vacuum stripping of ammonia |
| 10/12/1976 | US3985553 Process for the recovery of copper and ammonium sulphate from copper-bearing mineral sulphide ores or concentrates |
| 10/05/1976 | US3984466 In ammonium bisulfate solution |
| 10/05/1976 | US3984313 Preferential removal of ammonia and phosphates |
| 08/24/1976 | US3976757 Vapor phase reaction of fluorine |
| 08/17/1976 | US3975272 Ammonium sulfate from coke oven gas |
| 08/03/1976 | US3972693 Process for the treatment of phenol-containing waste water from coal degassing or gasification processes |