Patents
Patents for C01B 21 - Nitrogen; Compounds thereof (10,781)
02/1983
02/08/1983US4372935 Nitric oxide, nitrogen peroxide, oxygen
02/08/1983US4372930 Zeolite Nu-3
02/08/1983CA1140729A1 Method and apparatus for obtaining nitrogen and carbon dioxide simultaneously
01/1983
01/26/1983EP0070440A1 Method for synthesizing amorphous silicon nitride
01/26/1983EP0070346A1 Process and arrangement for carrying out the process for the photochemical cleavage of water and reduction of nitrogen from the atmosphere using a structure of molecular dimensions
01/25/1983US4370488 Alkali metal complex compounds
01/25/1983US4370380 Pressure-sensitive adhesive
01/25/1983US4370181 Pyrotechnic non-azide gas generants based on a non-hydrogen containing tetrazole compound
01/18/1983US4369079 Inflatable safety bags
01/12/1983EP0069206A1 Single crystals of xSiC.(1-x)AlN
01/11/1983US4368180 Hydrolysis of alkylchlorosilane in presence of carbon and silicon compound
01/11/1983CA1139083A1 Method and apparatus for forming nitric oxide from ammonia
01/05/1983EP0068102A1 Method of making ceramic lithium nitride
01/04/1983US4367269 Lithium nitride, iodide and hydroxide
01/04/1983US4367204 Process for the recirculation of nitrogen oxides
12/1982
12/21/1982US4365061 Storage stability
12/07/1982US4362655 Silver metals and alloys, dehydrogenation
12/01/1982EP0065821A1 Lithium compounds
11/1982
11/23/1982US4360506 Method of preparing sialon products
11/16/1982US4359328 For recovering adsorbable gas comonents of enhanced purity
11/16/1982US4359327 Hydrogen electrodes, paracyclophanes
11/03/1982EP0063641A1 High yield nitrogen gas generators
11/02/1982CA1134645A1 Monitoring process and apparatus
10/1982
10/27/1982EP0063450A1 Recovery of precious metal
10/27/1982EP0063272A1 Synthesis of silicon nitride
10/26/1982CA1134285A1 Vacuum swing adsorption for air fractionation
10/19/1982US4354986 Boron oxide fibers converted in an anhydrous ammonia atmosphere
09/1982
09/28/1982US4351887 Foldable metallic gauze pack and segment
09/21/1982US4350669 Process for controlling nitrogen oxides in exhaust gases
09/15/1982EP0059907A2 Process for the preparation of hydroxylammonium salts
09/14/1982US4349520 Continuous hydrolysis of ketoxime
09/08/1982EP0059445A1 Process for eliminating di-nitrogen oxide from exhaust gases
09/08/1982EP0059366A1 Process for the continuous preparation of hydroxyl ammonium salts
09/03/1982EP0048277A4 Process for manufacturing boron nitride fiber batts using a spinner.
08/1982
08/24/1982US4346068 Process for preparing high-purity α-type silicon nitride
08/18/1982EP0057912A2 Process for improving the plating characteristics of boron rich cubic boron nitride
08/17/1982US4345038 CO Hydrogenation process using steam and molybdenum oxycarbonitride catalyst
08/17/1982US4344827 Process for working up nitric acid
08/11/1982EP0048279A4 Process for manufacuring boron nitride fiber mats using a needler.
08/10/1982CA1129177A1 Process for the manufacture of potassium nitrate
08/03/1982US4342594 Cemented carbide
07/1982
07/27/1982US4341747 Oxidation with nitric acid and hydrogen peroxide
07/27/1982CA1128287A1 Active phosphorus nitrides containing hydroxyl and halogen, and process for making them
07/27/1982CA1128285A1 Cis-diammineplatinum(ii) orthophosphate complexes
07/20/1982US4340575 Manufacture of hydroxylammonium salts
07/20/1982US4340568 Blow pipe assembly
07/14/1982EP0055962A2 Repressurisation for pressure swing adsorption system
07/14/1982EP0055961A2 Repressurization process for pressure swing adsorption system
07/14/1982EP0055904A1 Azide-free compositions for generating nitrogen, the generation of nitrogen therefrom and inflation of gas bags therewith
07/13/1982US4339309 Method for removing fluoride contamination from nitric acid
07/13/1982CA1127388A1 Apparatus for nitriding metal under pressure
07/07/1982EP0055669A1 Repressurization for pressure swing adsorption system
07/07/1982EP0055547A1 Solid compositions for generating nitrogen, the generation of nitrogen therefrom and inflation of gas bags therewith
06/1982
06/30/1982EP0054965A1 Method of producing nitrous oxide
06/30/1982EP0054850A1 Process for producing ammonium sulfamate
06/29/1982US4337325 Blend of a vinyl lactam with a copolymer of an acrylic ewster and an acid
06/29/1982US4337232 Ammonia synthesis process using molybdenum oxycarbonitride catalyst
06/29/1982CA1126479A1 Process for preparing cyclic phosphonitrilic chloride oligomers
06/15/1982US4335091 In an ion exchange resin
06/08/1982US4333916 Process for producing carbonitride of metal
06/08/1982US4333915 Process for producing metallic carbonitride
06/02/1982EP0053018A1 Novel molybdenum oxycarbonitride compositions
06/01/1982CA1124751A1 Cemented carbide
05/1982
05/26/1982EP0052227A1 Method for forming a self-aligned contact and a plasma especially applicable in performing said method
05/19/1982EP0051804A1 Process for preparing cyclic phosphazenes
05/18/1982US4330520 Process and apparatus for preventing NOx emissions after emergency shutdowns of plants for the manufacture of nitric acid
05/18/1982US4330382 Transition metal carbonyl or nitrosyl substitution
05/11/1982US4329158 Air fractionation by pressure swing adsorption
05/11/1982CA1123177A1 Catalysis
05/04/1982US4328198 Cyclic process for the preparation and processing of a hydroxylammonium salt solution
04/1982
04/28/1982EP0050290A1 Process for the preparation of alkali metal salts of imidodisulphonic acid
04/27/1982US4327064 Solution polymerization of cyclic dichlorophosphazene oligomers in cycloaliphatic solvents
04/27/1982US4327063 Pressurization prior to boron trihalide catalyzed polymerization
04/27/1982CA1122385A1 Method for producing dense silicon nitride containing yttrium oxide and aluminum oxide and having high temperature strength and oxidation resistance
04/20/1982US4325932 Method of producing nitrous oxide
04/06/1982CA1121135A1 Process for preparing hydrazines
03/1982
03/31/1982EP0048279A1 Process for manufacuring boron nitride fiber mats using a needler.
03/31/1982EP0048277A1 Process for manufacturing boron nitride fiber batts using a spinner.
03/30/1982US4322395 Process for the production of aluminum nitride needles
03/30/1982US4322394 Adsorbent regeneration and gas separation utilizing microwave heating
03/30/1982CA1120689A1 Process for the polymerization of cyclic polyhalophosphazenes using a catalyst composition of boron trihalide and oxygenated phosphorus compounds
03/23/1982US4321163 Lithium nitride of increased conductivity, method for its preparation, and its use
03/17/1982EP0047566A2 A process of electrodepositing a ruthenium-iridium alloy and a bath for use therein
03/16/1982US4320219 Polymerization or inorganic element-containing monomers using plasma, and the formed product
03/10/1982EP0047191A1 Process for treating a gas stream containing nitrogen oxides and oxygen
03/10/1982EP0047143A1 Method for manufacture of silicon nitride
03/09/1982CA1119381A1 Air-resistant crystalline lithium nitride, process for production and use
03/03/1982EP0046584A1 Method of purifying cyclic dichlorophosphazenes containing trace amounts of protic impurities
02/1982
02/18/1982WO1982000458A1 Method of obtaining diamond and/or diamond-like modifications of boron nitride
02/10/1982EP0045422A1 Process for the adsorptive elimination of hydrogen sulfide from gaseous mixtures
02/09/1982CA1117762A1 Pelletizable, rapid and cool burning solid nitrogen gas generant
02/09/1982CA1117738A1 Alkali metal complex compounds, a method of preparing them, and their use for the hydrogenation and nitridation of alkali metals
02/03/1982EP0044973A1 Device for the distribution to the cross-section of a receptacle of a gas flowing from a tube
02/02/1982US4313916 Process for the purification of non-reacting gases
01/1982
01/26/1982US4312924 Super hard highly pure silicon nitrides
01/26/1982US4312923 Super hard-highly pure silicon nitrides, and a process and apparatus for producing the same
01/26/1982US4312921 Hexagonal crystal structure, high density, high strength
01/26/1982US4312852 From nitrogen oxide gases produced by thermal decomposition of metal nitrates
01/26/1982US4312722 Electrolytic reduction of nitrates in cell having cation exchange separator membrane
01/20/1982EP0044029A1 Process for the preparation of hydroxylammonium perchlorate