Patents for C01C 3 - Cyanogen; Compounds thereof (1,688) |
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05/19/1999 | CN1216976A Prepn. of substituted aromatic amines |
05/06/1999 | WO1999021649A1 Catalytic membrane reactor with two component three-dimensional catalysis |
05/06/1999 | EP0912444A1 An improved process for preparing anhydrous hcn |
05/06/1999 | DE19748513A1 Removal of hydrocarbon impurities from aqueous hydrocyanic acid by passing over activated charcoal |
04/27/1999 | CA2000261C Process for the production of hydrogen cyanide |
04/21/1999 | EP0909447A1 Method for cesium removal from radioactive waste liquids and method for producing hexacyanoferrates |
04/15/1999 | DE19744939A1 Destruction of pests in e.g. buildings by fumigation with hydrogen cyanide |
04/14/1999 | EP0908227A1 Coated membranes |
04/14/1999 | CN1214026A Adsorbent for cesium ion and method or making and using |
03/25/1999 | DE19746136C1 Ruthenium recovery from solutions containing other platinum group metals |
03/24/1999 | EP0902725A1 Method of separating and selectively removing hydrogen contaminant from process streams |
03/16/1999 | US5882618 Process for cyanic acid production |
03/10/1999 | EP0900592A1 Mo-Bi-Fe-Ca based catalyst for the manufacture of acrylonitrile and hydrogen cyanide |
03/04/1999 | WO1999010278A1 Adsorbent for metal ions and method of making and using |
03/03/1999 | CN1209790A Self-stabilizing pitch for carbon fiber |
03/02/1999 | US5877381 Oxidizing olefins, aldehydes, alcohols and hydrocarbons, ammoxidation, dehydrogenation and hydrogenation |
02/11/1999 | WO1998029106A3 Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide |
02/04/1999 | WO1999005064A1 Processes for the synthesis of hydrogen cyanide |
02/03/1999 | CN1041913C Method for producing sodium ferrocyanide |
01/20/1999 | EP0891949A1 Magnetic molecular mixture |
01/14/1999 | WO1999001212A1 Inductively heated catalytic reactor |
01/14/1999 | WO1999001211A1 Method of inductively igniting a chemical reaction |
01/14/1999 | CA2291771A1 Method of inductively igniting a chemical reaction |
01/12/1999 | US5858321 Production of phenyl-p-phenylenediamine wherein aniline is oxidized in the presence of trisodium pentacyano ferrate(ii)complexes containing various water soluble ligands, such as ammonia, mono alkyl amine, dialkyl amines, |
01/12/1999 | US5858317 Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide |
12/23/1998 | EP0885169A1 Adsorbent for cesium ion and method of making and using |
12/23/1998 | CN1202458A Process for production of prussic acid |
11/25/1998 | CN1200102A Hydrogen cyanide process and apparatus therefor |
11/24/1998 | US5840648 Mixed oxide catalyt containing iron, bismuth, molybdenum, an alkali metal, one of calcium, strontium or barium and others; ammoxidation |
10/06/1998 | US5817286 Processes for the synthesis of hydrogen cyanide |
09/23/1998 | EP0865411A1 Self-stabilizing pitch for carbon fiber manufacture |
09/16/1998 | EP0864532A1 Process for producing of prussic acid and catalyst |
09/09/1998 | EP0863110A1 Process for the simultaneous preparation of acetylene and hydrogen cyanide from acrylonitrile |
08/26/1998 | CN1191205A Process for production of granulates from alkali metal or alkaline earth metal cyanide |
08/12/1998 | EP0857689A1 Process for the preparation of alkali or alkaline-earth metal cyanide granulates and the obtained high purity alkali metal cyanide granulates |
08/12/1998 | CN1190080A Process for preparing alkali metal cyanide and alkaline earth metal cyanide granules and high purity alkali metal cyanide granules obtainable thereby |
08/05/1998 | CA2228809A1 Process for preparing alkali metal cyanide and alkaline earth metal cyanide granules and the high purity alkali metal cyanide granules obtainable thereby |
07/29/1998 | CN1188742A Purifying technology for sodium thiocyanate |
07/28/1998 | US5785942 Reaction of methane and ammonia, heated by combustion of fuel gas, monolithic arrangement of channels |
07/09/1998 | WO1998029422A1 Cyanophosphonate derivatives |
07/09/1998 | WO1998029106A2 Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide |
07/09/1998 | CA2276159A1 Novel cyanophosphonate derivatives and method for their preparation |
07/09/1998 | CA2276158A1 Method for preparing cyanophosphonate derivatives from phosphoric anhydride and cyanide |
06/24/1998 | EP0849222A1 Process for the preparation of granules of an alkali or akaline-earth metal cyanide |
06/24/1998 | EP0848990A2 Reactor for carrying out endothermal catalytic reactions |
06/24/1998 | EP0848989A2 Reactor top for a monolithic co- or counter-current reactor |
06/21/1998 | CA2225296A1 Process for the production of granulates from an alkali metal or alkaline earth metal cyanide |
06/17/1998 | EP0847372A1 Hydrogen cyanide process and apparatus therefor |
05/27/1998 | CN1182728A Process for preparing prussiate by ammoxidation |
05/20/1998 | EP0842897A1 Process for the preparation of cyano compounds by ammonoxidation |
05/19/1998 | US5753199 Reacting urea with oxygen-containing calcium compound while heating |
04/28/1998 | US5744015 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
04/22/1998 | EP0836881A1 Retention of activity of molybdenum-bismuth-iron or cerium-containing metallic oxide oxidation catalysts |
04/22/1998 | CN1179359A Retention of activity of molybdernum-containing metallic oxide catalyst |
04/14/1998 | CA2038708C Removal of base metals and cyanide from gold-barren cip solutions |
04/01/1998 | EP0832877A2 Ammoxidation method in fluidized-bed reactor |
03/26/1998 | WO1998011776A1 Powders providing controlled sustained release of a gas |
03/18/1998 | CN1037767C A process for reduction of waste material during manufacture of aerylonitrile |
03/17/1998 | US5728882 Preparation of substituted aromatic amines |
03/12/1998 | DE19647527C1 Cyano compounds preparation |
03/03/1998 | US5723035 Coated membranes |
02/25/1998 | CN1174170A Steppecd crystallization process purifying sodium thiocyanate solution |
02/04/1998 | CN1172440A Fluidized-bed reactor and reaction process using the same |
02/04/1998 | CN1172071A Method for producing solid sodium cyanide |
02/03/1998 | US5714091 Process for the partial oxydation of hydrocarbons |
01/28/1998 | CN1171296A Process for preparing catalytically active coatings for synthesis of hydrogen cyanida |
01/27/1998 | US5712216 Highly active double metal cyanide complex catalysts |
01/21/1998 | EP0819673A1 Cyanamide salts as bleach activators |
12/31/1997 | WO1997050092A1 Method for cesium removal from radioactive waste liquids and method for producing hexacyanoferrates |
12/23/1997 | US5699680 Wires incorporating a helical component, assemblies thereof, and use of said assemblies as catalyzer and/or to recover precious metals |
12/11/1997 | WO1997046315A1 Method of separating and selectively removing hydrogen contaminant from process streams |
12/11/1997 | CA2256734A1 Method of separating and selectively removing hydrogen contaminant from process streams |
12/04/1997 | WO1997045369A1 An improved process for preparing anhydrous hcn |
12/04/1997 | CA2255709A1 An improved process for preparing anhydrous hcn |
12/03/1997 | CN1036581C Method for ammoxidation of olefine |
12/02/1997 | US5693212 Solid multi-component membranes, electrochemical reactor components, electrochemical reactors and use of membranes, reactor components, and reactor for oxidation reactions |
11/26/1997 | CN1165850A Method and appts. for reclaiming cyanide from coal gas |
11/12/1997 | EP0749401B1 Process for preparing calcium cyanamide from urea |
11/06/1997 | WO1997041060A1 Solid state oxygen anion and electron mediating membrane and catalytic membrane reactors containing them |
10/29/1997 | EP0803470A1 Process for the preparation of catalytically active coatings for the synthesis of hydrogen cyanide |
10/27/1997 | CA2203728A1 Process for preparing catalytically active coatings for the synthesis of hydrogen cyanide |
10/16/1997 | WO1997037965A1 Preparation of substituted aromatic amines |
10/15/1997 | CN1161935A Method for production of silver potassium cyanide |
10/14/1997 | CA2084164C Process for making improved corrosion preventive zinc cyanamide |
10/09/1997 | WO1997036824A1 Magnetic molecular mixture |
10/07/1997 | US5674617 Granulated alkali metal cyanide |
09/12/1997 | WO1997032816A1 Adsorbent for cesium ion and method of making and using |
05/20/1997 | US5630992 Anti-caking agents for ammonium thiocyanate |
04/02/1997 | EP0766330A1 Components for use in electrochemical cells and their use in oxygen separation |
04/02/1997 | EP0652985B1 Wires incorporating a helical component, assemblies thereof, and use of said assemblies as catalyst and/or to recover precious metals |
04/02/1997 | CN1034411C Process for recovering thiocyanate |
03/13/1997 | WO1997009273A1 Hydrogen cyanide process and apparatus therefor |
02/26/1997 | CN1143938A Process for preparing calcium cyanamide from urea |
02/26/1997 | CN1143607A Process for recovering by-product gaseous hydrocyanic acid from acrylonitrile production |
02/26/1997 | CN1034118C Method for purifying sodium thiocyanate water solution |
01/15/1997 | CN1140181A Highly active double metal cyanide complex catalysts |
01/08/1997 | EP0752390A1 Process for the preparation of hydrogen cyanide |
01/08/1997 | CN1139912A Preparation of hydrogen cyanide |
01/07/1997 | US5591315 Solid-component membranes electrochemical reactor components electrochemical reactors use of membranes reactor components and reactor for oxidation reactions |
01/02/1997 | EP0750942A2 Particulate catalyst for use in a fluidized bed |