| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
|---|
| 05/06/1980 | CA1076775A1 Process for the manufacture of sulfur trioxide from sulfur dioxide and oxygen |
| 05/06/1980 | CA1076774A1 Process of producing sulfuric acid from waste acid and iron sulfate |
| 05/01/1980 | WO1980000831A1 A method of recovering calcium and sulphur compounds from a metallurgical waste material |
| 04/29/1980 | US4200619 Process for purging sodium sulfate from a sulfur dioxide removal system |
| 04/29/1980 | US4199872 Heat exchangers |
| 04/22/1980 | US4199472 Sodium dithionite and fibers |
| 04/22/1980 | CA1075880A1 System for diminishing the emission of noxious gases |
| 04/22/1980 | CA1075879A1 Recovery of sulfur from gas streams containing sulfur and sulfur compounds in dilute concentration |
| 04/16/1980 | EP0009730A1 Process for treating waste acids |
| 04/15/1980 | US4198388 Selective removal of H2 S from an H2 S and CO2 containing gas stream |
| 04/15/1980 | US4198387 Desulfurization, absorption |
| 04/15/1980 | US4198386 Selective removal of a gaseous component from a multi-component gas stream |
| 04/15/1980 | US4198385 Reduction of sodium sulfate to sodium sulfide |
| 04/15/1980 | US4198380 Scrubbing with a aqueous alkali metal carbonate an:/or bicarbonate to produce a dry powder of the corresponding sulfa es and sulfites |
| 04/15/1980 | CA1075841A1 Melt viscosity stabilizers for vinyl chloride polymers |
| 04/08/1980 | US4197278 Sequential removal of sulfur oxides from hot gases |
| 04/08/1980 | US4197277 Process for oxidizing sulfur and sulfur compounds |
| 04/02/1980 | EP0009038A1 Soluble compound of vanadium used in a method of removing hydrogen sulphide from a gas mixture. |
| 04/01/1980 | US4196183 Process for purifying geothermal steam |
| 04/01/1980 | US4196175 Onto a macroreticular organic compound containing carbonyl functional groupts to form adduct |
| 03/25/1980 | US4195064 Unitized catalytic reactor construction |
| 03/25/1980 | US4195062 Flue gas scrubbing |
| 03/25/1980 | US4194952 Process for regenerating waste sulfuric acid |
| 03/25/1980 | US4194889 Heat exchanging, condensing water, spraying with aqueous sulfuric acid |
| 03/25/1980 | CA1074083A1 Method of and apparatus for melting block sulphur |
| 03/19/1980 | EP0008641A1 Anthraquinonesulphonamides and process for their manufacture |
| 03/19/1980 | EP0008640A1 Method for the removal of hydrogen sulfide from gases or liquid hydrocarbons and gases or liquid hydrocarbons thus purified |
| 03/18/1980 | US4193894 Catalyst for oxidation of sulfur dioxide |
| 03/18/1980 | CA1073634A1 Recovery of sulfur values from spent sulfuric acid |
| 03/18/1980 | CA1073621A1 Method of solidifying molten material |
| 03/11/1980 | US4192857 Sulphur production |
| 03/11/1980 | US4192851 Leaching of metal sulphides |
| 03/11/1980 | CA1073187A1 Process for the removal of sulphur dioxide from a flue gas stream by means of a solid acceptor |
| 03/05/1980 | EP0008449A1 Process for removing COS from a gas or liquid stream |
| 03/04/1980 | US4191619 Process for conversion of materials in electrolytic solution |
| 03/04/1980 | CA1072723A1 Method of removing sulfur dioxide from flue gases |
| 03/04/1980 | CA1072722A1 Stabilized sorbent for flue gas desulfurization |
| 02/26/1980 | US4190460 Reacting with dicyclopentadiene and a second cyclic diene or a di- or triolefinic terpene |
| 02/20/1980 | EP0008200A1 Process for heating up a sulfur recovery plant and plant for putting the process into effect |
| 02/20/1980 | EP0007956A1 Adsorbent regeneration and gas separation utilizing dielectric heating |
| 02/19/1980 | CA1072249A1 Sulfur foam |
| 02/19/1980 | CA1071839A1 Process for the treatment of acidic waste liquid containing dissolved ferrous salts |
| 02/12/1980 | CA1071614A1 Regeneration of sulfided dolomite |
| 02/12/1980 | CA1071613A1 Removal of hydrogen sulfide from gases |
| 02/05/1980 | US4187282 Process for treating a waste gas containing sulfur oxides |
| 02/05/1980 | CA1070929A1 Cba for claus tail gas cleanup |
| 02/05/1980 | CA1070928A1 Method and apparatus for melting sulphur in situ |
| 01/29/1980 | US4186180 Method for the preparation of sulphur hexafluoride of high purity |
| 01/29/1980 | US4186171 Apparatus for the wet oxidation of sulphur and the capture of generated heat |
| 01/29/1980 | CA1070479A1 Process for oxidizing sulfur dioxide |
| 01/23/1980 | EP0007241A1 Process for purification of gases containing elemental sulphur |
| 01/22/1980 | US4184980 Passing sulfur dioxide into aqueous sulfuric acid containing vanadium pentoxide and a potassium salt, impregnating on diatomaceous earth, pelletizing, calcining |
| 01/22/1980 | US4184890 Elemental sulfur having improved impact resistance |
| 01/15/1980 | CA1069679A1 Oxidation of sulphur-containing compounds |
| 01/08/1980 | CA1069463A1 Method for removing hydrogen sulfide |
| 01/01/1980 | US4181507 Production of sulfur by claus process |
| 01/01/1980 | US4181506 Method for recovering concentrated sulphur dioxide from waste gases containing sulphur dioxide |
| 12/25/1979 | US4180554 Method for removal of sulfur deposited on a Claus catalyst |
| 12/25/1979 | US4180551 Ion exchanging |
| 12/25/1979 | US4180550 Process for purifying a sulfur dioxide containing gas by washing with an ammonia aqueous solution |
| 12/25/1979 | US4180549 Desulfurization of hot reducing gas |
| 12/18/1979 | US4179495 Method for removing As, or As and Sb and/or Bi from sulfuric acid |
| 12/12/1979 | EP0005875A1 Process for concentrating diluted phosphoric acid |
| 12/11/1979 | US4178358 Claus process, circulating an inert gas |
| 12/11/1979 | US4178357 Wet oxidation, scrubbing with tris/perfluorooctyl/amine |
| 12/11/1979 | US4178349 Dry particles of lime-bearing material |
| 12/11/1979 | CA1067676A1 Manufacture of sodium dithionite |
| 12/04/1979 | US4177249 Inert fluorocarbon liquid as oxygen carrier |
| 12/04/1979 | US4177248 Sulfuric acid of high strength from spent acids |
| 12/04/1979 | US4177247 Process for producing dithionites |
| 12/04/1979 | US4177244 Process for purge stream treatment in removal of sulfur dioxide |
| 12/04/1979 | US4177119 Process for recovery of waste H2 SO4 and HCl |
| 11/28/1979 | EP0005572A1 Improved process for the further processing of hydrogen sulphide-containing gases |
| 11/27/1979 | US4176170 Ternary ionic conductors |
| 11/27/1979 | US4176164 Treatment of sulfur oxides with aqueous glyoxylic acid solutions |
| 11/27/1979 | US4176163 Sodium oxide fume for sulfur oxide removal |
| 11/27/1979 | CA1066875A1 Separation of sulfur from metal values |
| 11/20/1979 | US4175112 Process for purification of gases containing elemental sulfur |
| 11/20/1979 | CA1066700A1 Process for preparing lactams |
| 11/20/1979 | CA1066655A1 Method and apparatus for electrically increasing sulfuric acid concentration in an electrolytic cell in the presence of persulfate ions |
| 11/20/1979 | CA1066480A1 Production of liquid sulfur trioxide |
| 11/15/1979 | WO1979000906A1 Recovery of elemental sulfur and metal values from tailings from copper recovery processes |
| 11/14/1979 | EP0005270A1 Separation of sulfur dioxide from waste waters and on occasion from waste gases |
| 11/13/1979 | US4174383 Process for purifying a sulfur dioxide containing gas with production of elemental sulfur |
| 11/13/1979 | CA1066062A1 Recovery of nitric acid soluble transition metals from sulfur and iron containing ores of the same |
| 11/13/1979 | CA1066027A1 Combined process for producing a sulfur dioxide containing gas and reduction of sulfur dioxide to sulfur |
| 11/13/1979 | CA1066022A1 Preparation of sulfur fluorides |
| 11/13/1979 | CA1066021A1 Treatment of sewage containing sulphuric acid_ |
| 11/06/1979 | CA1065576A1 Process for preparing finely-divided refractory powders |
| 10/30/1979 | CA1065273A1 Removal of so2 from gases |
| 10/30/1979 | CA1065121A1 Process for making sodium metabisulfite |
| 10/23/1979 | US4172116 Process feed and effluent treatment systems |
| 10/23/1979 | CA1064684A1 Method of making a sulphide ceramic body and a sulphide ceramic body made thereby |
| 10/23/1979 | CA1064680A1 Method of and system for controlling the claus chemical process |
| 10/17/1979 | EP0004745A1 Process for the catalytic oxidation of sulphur dioxide to form sulphur trioxide |
| 10/17/1979 | EP0004568A1 Process for recovering sulphuric acid from natural gypsum or phospho-gypsum |
| 10/16/1979 | US4171348 Process for eliminating carbon deposition on sulfur dioxide reduction catalyst in a staged reactor system |
| 10/16/1979 | US4171347 423/230 |
| 10/16/1979 | US4171200 Process and apparatus for in situ melting of sulphur from solid sulphur storage block |
| 10/16/1979 | CA1064224A1 Sulfur melting by lateral displacement of heating element |