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