Patents
Patents for C01B 17 - Sulfur; Compounds thereof (11,743)
07/1978
07/25/1978US4102987 From sulfur dioxide, chlorine and hydrogen fluoride
07/25/1978US4102968 Agglomeration of finely divided sulfur particles in a liquid suspension
07/25/1978US4102651 Ultrasonic atomizer for waste sulfuric acid and use thereof in acid cracking furnaces
07/18/1978US4101643 Scrubbing with alkali metal sulfite followed by reaction with an amino compound
07/18/1978US4101642 Method for converting the ammonia and hydrogen sulfide contained in coke-oven gases into nitrogen and water and sulfur respectively
07/18/1978US4101641 Process for the removal of sulphur oxides from gases
07/18/1978US4101635 Method for regenerating and recycling catalyst for oxidation of sulfur dioxide
07/18/1978CA1034739A1 Fumes and gas filtration system, and production of sulphuric acid
07/11/1978US4100266 Control system for a sulfur process
07/11/1978US4100260 Regenerative method for quantitative removal of sulfur dioxide from stack gases
07/11/1978US4100259 Process and apparatus for the purification of fumes and gases and for the production of sulfuric acid
07/11/1978US4100098 And sodium sulfite with potassium hydroxide
07/04/1978US4098886 Desulfurization
06/1978
06/27/1978US4097585 Production of sulfur from Claus process waste gas
06/27/1978US4097299 Polyformal-polysulfide
06/20/1978US4095953 Modular system for reducing sulfur dioxide
06/13/1978US4094962 Iodine, hydrogen iodide, thermal dissociation
06/13/1978US4094961 Hydrogen sulfide production
06/13/1978CA1033083A1 Baryum sulfide treatment of sulfuric acid and/or ammonium sulfate containing waste waters
06/06/1978US4093508 Process for recovering chemicals from the waste liquors of sulfate cellulose digestion and the waste waters of bleaching
05/1978
05/30/1978US4092404 Oxidation, catalyst, sulfur dioxide
05/30/1978US4092401 Process for reutilization of iron chlorides in aqueous solution
05/23/1978US4091075 Method for removing sulfur dioxide from flue gases
05/23/1978US4091073 Process for the removal of H2 S and CO2 from gaseous streams
05/09/1978US4088744 Increased preheating of sulfur plant gases
05/09/1978US4088742 Contact sulfuric acid process employing double conversion/double absorption
05/09/1978US4088727 Method of solidifying molten material
05/02/1978US4087498 Method of producing sulfur particles
05/02/1978US4087377 Reaction of sulfur dioxide, chlorine, hydrogen fluoride
04/1978
04/18/1978US4085199 Method for removing hydrogen sulfide from sulfur-bearing industrial gases with claus-type reactors
04/18/1978US4085192 Selective removal of hydrogen sulfide from gaseous mixtures
04/18/1978US4085016 Method and apparatus for the oxidation of organic material present in concentrated sulfuric acid
04/11/1978US4083945 Process for the treatment of hydrogen sulfide gas streams
04/11/1978US4083944 Scrubbing with sodium bisulfide
04/11/1978US4083930 Method of treating alkali metal sulfide and carbonate mixtures
04/04/1978US4082839 Reacting a sulfur chloride with nitrosyl fluoride
04/04/1978US4082837 Ammonia to nitric oxide, ceramic catalyst
04/04/1978US4082835 Removal of SO2 from gases
03/1978
03/28/1978US4081521 Process for continuously producing anhydrous sodium dithionite
03/28/1978US4081519 Process for oxidation of carbon monoxide with inorganic oxidizing agents
03/28/1978US4081515 Catalytic conversion of an ammonium sulfate to sulfur dioxide and ammonia
03/28/1978US4081500 Spraying molten sulfur on water
03/21/1978US4080433 Passing carbon dioxide, nitrogen gas and water over a ceramic catalyst
03/14/1978US4079119 Sulfur dioxide removal process
03/14/1978US4078390 Removal and recovery of sulfur dioxide from stack gases
03/07/1978US4078048 Process and apparatus for removing sulfur from stack gases in the form of elemental sulfur
03/07/1978US4078046 Process for the catalytic oxidation of carbon monoxide with sulfur dioxide and water
03/07/1978US4078044 Process for the catalytic oxidation of ammonia and methane to hydrogen cyanide
02/1978
02/28/1978US4076795 Hydrosulfite production
02/28/1978US4076486 Partial combustion, pollution control
02/21/1978US4075310 Scrubbing
02/14/1978US4073748 Carbon coated with ptfe
01/1978
01/31/1978US4071607 From acid gas containing hydrogen sulfide
01/31/1978US4071606 To produce sulfur
01/31/1978US4071436 Process for removing sulphur from a gas
01/24/1978US4070445 Reduction of aqueous thiosulfate solutions
01/24/1978US4070441 Method of removing sulfur dioxide from flue gases
01/24/1978CA1024904A1 Process for recovering sulphur from sulfuric compositions contained in gases
01/17/1978US4069302 Purification of sulfur
01/17/1978US4069117 Cyclic, regenerative, multistep electrolysis of alkali metal chloride
01/17/1978US4069041 Multistage sulfatizing
01/17/1978US4069020 Production of reducing gases
01/03/1978US4066739 Process for recovering hydrogen and elemental sulfur from hydrogen sulfide and/or mercaptans-containing gases
01/03/1978US4066738 Process for producing a fuel gas and sulfur from a hydrocarbon fuel
01/03/1978US4066573 Carbonyl sulfide, heating
12/1977
12/20/1977US4064223 Or oleum from a wet sulfur dioxide feed
12/20/1977US4064220 Removal of dissolved organic matter from acidic aqueous solution
12/13/1977US4062932 Process for the catalytic oxidation of hydrogen sulfide with sulfur dioxide
12/13/1977US4062931 Hydrogen cyanide with aqueous ammoniacal solution
12/13/1977US4062694 Stable particulate suspensions
12/06/1977US4061716 Process for the production of sorbent solids for use in the desulfurization of gases
12/06/1977US4061715 Hydrogen, water vapor
12/06/1977US4061595 Production of sulfur recovery catalyst from bauxite fines
11/1977
11/29/1977US4060595 Process for recovering elemental sulfur from gases having a high carbon dioxide content and containing sulfur compounds
11/29/1977US4060594 Reducing the consumption of anthraquinone disulfonate in stretford solutions
11/29/1977US4060589 Or sox in feed gas streamsnitrogen oxides, sulfur oxides
11/22/1977US4059679 Modified zirconium phosphates
11/22/1977US4059673 Production of bauxite and aluminium chloride of low iron content
11/22/1977US4059496 Process for the preparation of sulfuric acid from sulphur dioxide
11/15/1977US4058591 Process for purifying waste water containing ammonium sulfate
11/08/1977US4057423 Scrubbing, coversion of sulfur dioxide to trioxide, absorption ion
11/01/1977US4056606 Treatment with sulfur dioxide
10/1977
10/18/1977US4054642 Claus reaction catalysts
10/18/1977US4054562 Rearrangement of cycloalkanone-oxime with sulfuric acid or oleum
10/11/1977US4053575 Sulfur recovery from H2 S and SO2 -containing gases
10/11/1977US4053574 Gas desulfurization process
10/11/1977US4053573 Recovery of sulfur values from spent sulfuric acid
09/1977
09/27/1977US4051508 Semiconductor device having multistepped bump terminal electrodes
09/27/1977US4051231 Apparatusgas
09/27/1977US4051226 Prevention of explosive mixtures in the regeneration of sulfur oxide acceptors
09/27/1977US4050740 Method of and apparatus for melting block sulphur
09/20/1977US4049787 Process for separating sulphur in the form of hydrogen sulphide from clarified green liquor obtained from the combustion of waste liquor
09/20/1977US4049779 Crystalline salt monomers for stable phosphate glasses
09/20/1977US4049776 Complexing iron with a quinone
09/20/1977US4049646 Process for the manufacture of lactams
09/13/1977US4048293 Process for purifying a sulfur dioxide containing gas
09/13/1977US4048287 Sulfur recovery method
09/06/1977US4046867 Low elemental sulfur content
09/06/1977US4046866 By-product inhibition, recycling
08/1977
08/30/1977US4045295 And hydrogen chloride; distillation