| Patents for C01B 17 - Sulfur; Compounds thereof (11,743) |
|---|
| 01/31/1995 | CA1334123C Stabilized concentrated sulphuric acid compositions |
| 01/25/1995 | EP0634955A1 Flue gas conditioning system |
| 01/25/1995 | CN1097649A Equipment for treating solid and/or gas material and method for activation of same |
| 01/25/1995 | CN1097645A Method of and apparatus for treatment of gas flow of sulfur containg oxide |
| 01/24/1995 | US5384301 Catalyst for elemental sulfur recovery process |
| 01/24/1995 | US5384105 Radioactive, acid digestion |
| 01/19/1995 | WO1995001858A1 Process and device for purifying the outgoing air from molten mass solidifying plants |
| 01/19/1995 | WO1995001833A1 Process for producing granulates from molten products |
| 01/19/1995 | CA2143843A1 Method and apparatus for cleaning of exhaust air of plants for solidifying molten material |
| 01/19/1995 | CA2142832A1 Method for the manufacture of granulated material from molten products |
| 01/18/1995 | EP0633810A1 Method and apparatus for effecting gas-liquid contact |
| 01/11/1995 | EP0633220A1 A gas combuster/reactor |
| 01/11/1995 | EP0633219A1 Process for removing sulphur compounds from a gas stream |
| 01/10/1995 | US5380377 Method of making sulfide alloys exhibiting thermal bistability |
| 01/10/1995 | CA2125256A1 Gas combuster/reactor |
| 01/04/1995 | EP0631978A1 Removing hydrogen sulphide from a gas stream |
| 01/03/1995 | US5378448 Process for removing selenium from sulfur |
| 12/28/1994 | CN1096766A Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio) butyric acid manufacture |
| 12/27/1994 | CA1333655C Process for recovery of sulfur values from a gas stream |
| 12/22/1994 | WO1994029227A1 Process for purifying sulphide-containing waste water |
| 12/22/1994 | WO1994029217A1 Process for the preparation of metal sulphides |
| 12/22/1994 | WO1994028717A1 Regeneration of sulfuric acid from sulfate by-products of 2-hydroxy-4-(methylthio)butyric acid manufacture |
| 12/14/1994 | EP0628094A1 Tetravalent titanium electrolyte and trivalent titanium reducing agent obtained thereby |
| 12/14/1994 | EP0521075B1 Methods for recovering high grade process energy from a contact sulfuric acid process |
| 12/08/1994 | DE4311527C1 Process for purifying SF6 |
| 11/30/1994 | EP0626379A2 Process for the preparation of 2-chlorobenzothiazole or 2-chlorobenzoxazole |
| 11/29/1994 | US5369076 Vanadium catalysts and desulfurization of sulfur compound-containing gases therewith |
| 11/22/1994 | US5366717 Method for producing elemental sulfur from sulfur-containing gases |
| 11/22/1994 | US5366716 Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill |
| 11/22/1994 | US5366715 Method for selectively removing antimony and bismuth from sulphuric acid solutions |
| 11/22/1994 | US5366708 Regenerative heat exchangers, catalysts and reverse cycles |
| 11/22/1994 | US5366698 Apparatus for effecting gas liquid contact |
| 11/22/1994 | US5366633 Process for the treatment of water containing sulphur compounds |
| 11/22/1994 | CA1333171C Process for preparing a high-density and middle-porosity catalyst, supported on a siliceous matrix, based on vanadium |
| 11/16/1994 | CN2182659Y Evaporator special for acid bath |
| 11/10/1994 | DE4415975A1 Process for desulphurising gases containing sulphur dioxide |
| 11/09/1994 | EP0623554A1 Treatment of an aqueous stream containing water-soluble inorganic sulfide compounds to selectively produce the corresponding sulfate |
| 11/09/1994 | EP0422066B1 Removal of sulfur dioxide (so 2?) from waste gases and recovery as sulfuric acid |
| 11/08/1994 | US5362458 By oxidation of ammonium sulfite formed by reaction of sulfur dioxide with ammonia |
| 11/08/1994 | CA2122955A1 Process for the desulfurization of sulfur dioxide-containing gases |
| 11/03/1994 | DE4313750A1 Process for recovering elemental sulphur |
| 11/03/1994 | DE4313723A1 Reactor with oxidation catalyst |
| 11/02/1994 | EP0622164A1 Device for treating solid, liquid or gasous matters |
| 11/02/1994 | EP0622106A1 Process for removal of oxides of nitrogen and sulphur from the exhaust gases of combustion installations |
| 11/02/1994 | EP0622070A1 Skindyeing powder mixture |
| 11/02/1994 | EP0621854A1 Method and apparatus for desulfurization of a gas |
| 11/02/1994 | EP0561889B1 Process for the removal of sulphur compounds from gases |
| 11/01/1994 | US5360804 Multicomponent agent or kit for preparing the sulpho-conjugated form of pyridino, pyrimidino or triazino N-oxide compounds and method of use |
| 11/01/1994 | CA1332783C Apparatus for manufacturing sulfuric acid by contact process |
| 10/29/1994 | CA2122321A1 Process for purifying combustion plant flue gases which contain oxides of nitrogen and sulphur |
| 10/29/1994 | CA2122297A1 Method and apparatus for mixing materials |
| 10/27/1994 | WO1994024051A1 Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids |
| 10/27/1994 | WO1994024045A1 Process for the production of sulphuric acid from sulphur dioxide |
| 10/27/1994 | CA2155949A1 Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids |
| 10/27/1994 | CA2138022A1 Process for the production of sulphuric acid from sulphur dioxide |
| 10/26/1994 | CN1094013A Process for purification and concentration of sulfuric acid |
| 10/26/1994 | CN1094012A Preparation process for low-iron sodium sulfide |
| 10/25/1994 | US5358701 Process of using layered double hydroxides as low temperature recyclable sorbents for the removal of SOx from flue gas and other gas streams |
| 10/19/1994 | EP0620189A1 Process for separating arsenic acid from an aqueous mixture comprising sulfuric and arsenic acids |
| 10/19/1994 | EP0620187A1 Process for the simultaneous absorption of sulfur oxides and production of ammonium sulfate |
| 10/19/1994 | EP0368934B1 Gas and alcohol recovery process |
| 10/18/1994 | US5356597 Electrostatic precipitation |
| 10/11/1994 | US5354545 Contacting gaseous effluent with aqueous solution to dissolve sulfur compounds, adjusting concentration of buffers, oxidizing to produce elemental sulfur |
| 10/11/1994 | CA1332407C Method for producing a parallel gas flow type catalyst for oxidizing sulfurous acid gas |
| 10/11/1994 | CA1332372C Removal of sulfur dioxide |
| 10/05/1994 | CN1093015A Process for the simultaneous absorption of sulfur oxides and producion of ammounium sulfate |
| 10/04/1994 | US5352433 An oxygen enhanced split feedstream sulfur recovery process |
| 10/04/1994 | US5352422 Process for the selective oxidation of sulphur compounds to elemental sulphur |
| 10/04/1994 | US5352421 Method and apparatus for effecting gas-liquid contact |
| 09/29/1994 | WO1994021555A1 Method for removing hydrogen sulphide from a gas and recovering in the form of sulphur |
| 09/29/1994 | WO1994021359A1 Method for removing sulphur compounds from a residual gas such as a residual gas from a claus process sulphur plant, and recovering said compounds as sulphur |
| 09/29/1994 | WO1994021358A1 Method for the direct high-selectivity catalytic oxidative conversion of a low concentration of h2s in a gas into sulphur, and catalyst therefor |
| 09/29/1994 | DE4309510A1 Process for producing sulphuric acid |
| 09/29/1994 | CA2135908A1 Method for the direct high-selectivity catalytic oxydative conversion of a low concentration of h2s in a gas into sulphur, and catalyst therefor |
| 09/29/1994 | CA2135906A1 Method for removing h2s in concentration of less than 5% from a gas and recovering the h2s |
| 09/28/1994 | EP0616672A1 Treatment of liquid waste material. |
| 09/27/1994 | US5350441 Flue gas conditioning system |
| 09/21/1994 | EP0615951A1 Process for purification and concentration of sulfuric acid |
| 09/21/1994 | EP0615950A1 Use of wrought and cast alloys and welding additives for parts contacted by oleum or concentrated hot sulphuric acid, process for the preparation of sulphuric acid and process for the concentration and purification of sulphuric acid |
| 09/20/1994 | US5348921 Oxidation of sulfur to form sulfate in a multistage reaction, absorption |
| 09/20/1994 | US5348724 Contacting with coke for catalytic reduction; purification of acids |
| 09/16/1994 | CA2118830A1 Use of ductile-working and casting materials together with welding filler materials for components exposed to hot, concentrated sulphuric acid or oleum |
| 09/15/1994 | WO1994020677A1 A method of separating sulphur compounds |
| 09/15/1994 | WO1994020451A1 Methods for regenerating a sulfur scavenging compound from a product of a sulfur scavenging reaction |
| 09/15/1994 | WO1994020414A1 Sulfur dioxide generation using granulated or emulsoid sulfur feedstock |
| 09/15/1994 | WO1994020199A1 Method and apparatus for cleaning flue gas |
| 09/15/1994 | CA2156637A1 Method and apparatus for cleaning flue gas |
| 09/14/1994 | EP0614443A1 Conversion of hydrogen sulfide to sulfur and hydrogen |
| 09/14/1994 | EP0614400A1 Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors |
| 09/13/1994 | US5347003 Methods for regenerating a sulfur scavenging compound from a product of a sulfur scavenging reaction |
| 09/07/1994 | EP0613856A1 Process for removing separately sulfur compounds and CO2 |
| 09/07/1994 | EP0447448B1 Method for purification of acids from materials comprising acid and salt |
| 09/06/1994 | US5344767 Preparation of cysteine, homocysteine and methionine |
| 09/01/1994 | WO1994019102A1 Catalyst and method for the reduction of sulfur dioxide to elemental sulfur |
| 08/31/1994 | EP0612556A1 Process for removal of hydrogen sulfide |
| 08/31/1994 | EP0567467B1 Rotating tube heat treatment unit, in particular a rotating tubular kiln, with indirect heat feed or dissipation |
| 08/26/1994 | CA2116289A1 Process for removal of hydrogen sulfide |
| 08/24/1994 | CN2175221Y Vacuum dehydration and drying machine for sodium sulfide with nine water |
| 08/23/1994 | US5340484 Removal of hydrogen sulfide, aeration |
| 08/23/1994 | US5340383 Reduction of particulate sulfur emissions from liquid sulfur storage tanks |