| Patents for C01B 21 - Nitrogen; Compounds thereof (10,781) |
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| 03/15/1977 | US4012485 Process for treating exhaust gas from internal combustion engine over catalyst comprising nickel, rhodium, and monolithic ceramic support |
| 03/08/1977 | US4011089 Fireproofing cellulose |
| 02/22/1977 | US4009246 Manufacture of nitrates |
| 02/01/1977 | US4006103 Catalyst for treating exhaust gas from internal combustion engine |
| 01/25/1977 | US4005179 Working up synthesis solutions obtained in production of hydrazine |
| 01/25/1977 | US4005171 Catalytic preparation of soluble poly(dichlorophosphazenes) |
| 01/18/1977 | US4003987 Oxidation of flue gas; entrainment with carbon monoxide and sulfuric acid |
| 01/18/1977 | US4003982 Heating in an inert solvent to form nitrogen and chlorine |
| 01/11/1977 | US4002158 Support structure for solar energy converter |
| 01/04/1977 | US4001380 Manufacture of nitrogen trifluoride |
| 01/04/1977 | US4001136 Perfluoroammonium salts of fluorinated lewis acids, metal nitride, alkali metal fluoride |
| 12/21/1976 | US3998711 Method for continuously carrying out a gas phase reaction and apparatus therefor |
| 12/14/1976 | US3997607 Heat treatment |
| 12/07/1976 | US3996165 Process for preparing platinum metal catalysts |
| 12/07/1976 | US3996079 Azide gas generating compositionsinflatable bags for automobiles |
| 12/07/1976 | US3996005 Detection and measurement of NO2 and O3 |
| 11/30/1976 | US3994892 Suspension |
| 11/16/1976 | US3992159 Process for purification by cryogenic sublimation |
| 11/09/1976 | US3991167 Process for lowering nitrogen oxides in effluent gases |
| 11/09/1976 | US3991166 Ceramic materials |
| 11/02/1976 | US3989801 Metal nitrito compounds |
| 10/19/1976 | US3987151 Manufacture of alkali metal amides |
| 10/19/1976 | US3986822 Boron nitride crucible |
| 10/12/1976 | US3985834 Fire-retardants; phosphonitrilate polymer made from a phosphonitrilic halide and an alkali metal compound |
| 10/12/1976 | US3985681 Catalyst for the oxidation of ammonia |
| 09/28/1976 | US3983222 Continuous process |
| 09/21/1976 | US3981975 Extraction with methylene chloride |
| 09/21/1976 | US3981815 Process for utilizing collected material removed from effluent gas |
| 09/07/1976 | US3979501 Method and apparatus for converting nitrogen dioxide to nitric oxide |
| 09/07/1976 | US3979500 Preparation of finely-divided refractory powders of groups III-V metal borides, carbides, nitrides, silicides and sulfides |
| 09/07/1976 | US3979336 Catalyst for dissociation of ammonia and method of preparing same |
| 09/07/1976 | US3979330 Carbon containing molecular sieves |
| 08/31/1976 | US3977832 System for control of a nitric acid plant |
| 08/24/1976 | US3976756 Preparation of hydrazine and its compounds |
| 08/24/1976 | US3976755 Process of reducing nitrate or nitrile ions by means of liquid amalgams, with formation of hydroxylamine |
| 08/24/1976 | US3976753 Method of synthesizing triazanium perchlorate monohydrate |
| 08/24/1976 | US3976749 Method for producing pure monocarbides, mononitrides and carbonitrides |
| 08/24/1976 | US3976599 Oxidation catalyst |
| 08/17/1976 | US3975501 Formation of a fluorine compound and the compound |
| 08/10/1976 | US3974261 Process for purification of phosphonitrilic chloride polymers |
| 08/10/1976 | US3973931 Air separation by adsorption |
| 08/03/1976 | US3972876 Process for the preparation of symmetrical and unsymmetrical azines and mixtures thereof |
| 07/27/1976 | US3971683 Phosphoric acid |
| 07/20/1976 | US3970588 Ruthenium-alkali metal oxide |
| 07/13/1976 | US3969487 Process for synthesis of chlorodifluoroamine |
| 07/13/1976 | US3969486 From fluorine azide and chlorine |
| 06/29/1976 | US3966635 Treatment with sulfur compound and di- or tetravalent platinum compound, sulfurous acid |
| 06/22/1976 | US3965247 Recovery of sodium nitrite from by-product process liquors containing sodium chloride |
| 06/08/1976 | US3962138 Cobalt-oxide-based catalytic substances for the oxidation of ammonia |
| 06/08/1976 | US3962129 Impregnation of coke with an organic compound to produce a molecular sieve |
| 06/01/1976 | US3961024 Fluoro compound production |
| 06/01/1976 | US3960581 Process for producing a solid solution of aluminum oxide in silicon nitride |
| 05/25/1976 | US3959446 Synthesis of high purity, alpha phase silicon nitride powder |
| 05/25/1976 | US3959443 Silicon-aluminum catalyst |
| 05/25/1976 | US3959154 Method and composition for retarding the evaporation of ammonia and amines |
| 05/18/1976 | US3957949 Oxidation by chlorine dioxide, sodium chlorite |
| 05/11/1976 | US3956469 Treatment with sulfur compound and hydroxylammonium salt in acid |
| 05/11/1976 | US3956112 Of solute from immiscible liquid |
| 05/11/1976 | US3955932 Inert gas generator |
| 05/04/1976 | US3954946 Process for reacting nitric oxide with hydrogen |
| 05/04/1976 | US3954449 Process for the recovery of noble metals |
| 04/27/1976 | US3953582 Mineral oils |
| 04/27/1976 | US3953355 Preparation of uranium nitride |
| 04/20/1976 | US3952086 Purification of crude chlorophosphazene compounds by treatment with Bronsted bases |
| 04/20/1976 | US3951860 Catalyst |
| 04/13/1976 | US3950501 Production of high-purity chlorine from hydrogen chloride |
| 04/06/1976 | US3948988 Cyclic process for preparing and working up a hydroxylammonium salt solution |
| 04/06/1976 | US3948610 Catalyst beds for oxidizing ammonia to nitrogen oxides |
| 03/30/1976 | US3947554 Catalytic oxidation of ammonia |
| 03/30/1976 | US3947549 From indium halide and phosphorous hydride |
| 03/30/1976 | US3947300 Metal azide, oxidant metal compound, silicon dioxide |
| 03/30/1976 | US3947217 Process and apparatus for the production of inert gas |
| 03/16/1976 | US3944398 Method of forming an abrasive compact of cubic boron nitride |
| 03/09/1976 | US3943235 Process for producing silver azide |
| 03/02/1976 | US3941840 Process for producing ketoximes |
| 02/24/1976 | US3940442 Recycle process for the preparation and processing of a hydroxylammonium salt solution |
| 02/10/1976 | US3937792 Manufacture of silicon nitride powder |
| 02/10/1976 | US3937790 Use of water as a catalyst for the polymerization of chlorocyclophosphazenes |
| 01/13/1976 | US3932593 Process for the synthesis of ammonium nitrite |
| 01/06/1976 | US3931391 Process for oxidation of ammonia |
| 01/06/1976 | US3931051 Catalyst for the oxidation of ammonia |