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