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6764670 |
Removal of thiothionylfluoride from sulfur tetrafluoride
A process for removing thiothionylfluoride from a composition containing sulfur tetrafluoride and thiothionylfluoride includes contacting the composition with a high surface area material, such as...
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6521198 |
Metal surfaces coated with molecular sieve for corrosion resistance
Metal surfaces are protected against corrosion by a coating of molecular sieve, notably a zeolite or a phosphate-containing molecular sieve, rendered substantially non-porous by the retention (or...
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5639435 |
Method for producing sulfur hexafluoride
The present invention is directed to methods for preparing sulfur hexafluoride by reacting sulfur tetrafluoride with oxygen. The sulfur tetrafluoride is prepared by contacting molten sulfur with a...
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4859441 |
Process for the preparation of uranium tetrafluoride by the reduction of uranium hexafluoride and sulphur fluorides produced by this process
A process for the preparation of uranium tetrafluoride by reduction of gaseous uranium hexafluoride using: (1) sulphur vapor with a minimum of halogen and/or a halide, chosen from among Cl2, Br2,...
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4390511 |
Process for producing SF6 through SF5 Cl
SF6 is produced by a pyrolysis of SF5 Cl obtained by a reaction of sulfur or sulfur chloride with chlorine and an amine/hydrogen fluoride complex or a reaction of sulfur tetrafluoride with chlorine...
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4380532 |
Process for fine purification of sulphur hexafluoride from impurities
The present invention relates to the production of high-purity substances and, more specifically, to a process for a fine purification of sulphur hexafluoride from impurities.The process for a fine...
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4372938 |
Producing sulfur tetrafluoride using amine/hydrogen fluoride complex
A process for producing sulfur tetrafluoride comprises reacting in the absence or presence of a solvent an amine/hydrogen fluoride complex having the formula: Am . (HF)nwherein Am represents an...
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4337235 |
Purification of thionyl chloride
A process for the purification of crude thionyl chloride wherein the crude thionyl chloride is distilled in the presence of sulfur and a sulfur-aluminum chloride catalyst to convert the impurities,...
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4259298 |
Recovery of chlorine values from iron chloride by-product in chlorination of aluminous materials
The invention relates to a method of recovering the chlorine values from iron chloride obtained from the chlorination of an aluminous material containing iron oxide, such as bauxite. The method...
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4242320 |
Reduction of ferric chloride
The invention relates to a method for the reduction of ferric chloride to produce ferrous chloride. The method comprises using gaseous sulphur or a gaseous sulphur chloride in which the atomic...
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4241038 |
Reduction of ferric chloride
The invention relates to a method for the reduction of ferric chloride to produce ferrous chloride. The method involves using as the reducing agent sulphur monochloride optionally in combination...
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4186180 |
Method for the preparation of sulphur hexafluoride of high purity
Process and apparatus are disclosed for the preparation of sulphur hexafluoride of high purity, starting from elemental fluorine and sulphur, both in gaseous phase, and operating with an excess of...
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4108967 |
Process for preparing sulphur hexafluoride
Disclosed is a process for the production of sulphur hexafluoride comprising the steps of reacting fluorine and molten sulphur, removing lower-boiling by-products, separating a portion of the...
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4082839 |
Preparation of sulfur fluorides
A process, which may be continuous, for preparation of sulfur fluorides by reacting a sulfur chloride component with a fluorine containing component selected from the group consisting of nitrosyl...
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3992509 |
Production of disulfur dichloride
A process for the production of disulfur dichloride comprising establishing a molten mass of sulfur at a temperature of about 200° to 300° C, continuously introducing chlorine into said mass at a r...
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3976757 |
Method for increasing the productivity of chemical reactors
1. In the vapor phase reaction of F2 with a member selected from the group consisting of ClF3, Cl2, BrF3, BR2 and SF4, at elevated pressures and temperatures in a chemical reactor, carried out...
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3950498 |
Process for the production of sulfur tetrafluoride
The instant invention relates to a process for the production of sulfur tetrafluoride wherein sulfur tetrachloride or mixtures consisting of sulfur dichloride and chlorine are reacted with hydrogen...
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3884985 |
Method of separating sulfur monochloride from carbon tetrachloride
A method for recovering sulfur monochloride from a process for preparing carbon tetrachloride by the chlorination of carbon disulfide. The method comprises contacting the underflow product from a...
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3861904 |
METHOD FOR PRODUCING ALUMINUM METAL DIRECTLY FROM ORE
Aluminum may be separated from ores through the halogenation by a sulfur halide of the alumina therein to a trihalide and/or a monohalide. The monohalide may be disproportioned by instantaneous...
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3848064 |
PRODUCTION OF SULFUR TETRAFLUORIDE FROM SULFUR CHLORIDES AND FLUORINE
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3399036 |
Sulfur tetrafluoride
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3393977 |
Process for preparing compounds containing sulfur and fluorine
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3373000 |
Process for preparing tetrafluorides and hexafluorides
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3371999 |
Purification of by-product sulfur formed from chlorination processes
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3361532 |
Purification of sulfur hexafluoride
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3359081 |
Processes and products
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3336111 |
Apparatus and method for the manufacture of fluorides
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3219413 |
Process for production of sulfur dichloride
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3205040 |
Preparation of stabilized sulfur dichloride
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3054661 |
Method of preparing sulfur hexafluoride
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3046094 |
Method of preparation of inorganic chemical compound
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2992073 |
Synthesis of sulfur tetrafluoride
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2979383 |
Preparation of inorganic sulfur bromides
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2972518 |
Method of simultaneously preparing sulfur tetrafluoride and halomethanes
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2937123 |
Selected sulfur fluorides and electrolytic process for making the same
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2897055 |
Sulfur tetrafluoride adducts
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2883267 |
Synthesis of sulfur hexafluoride
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2862029 |
Novel iminosulfur difluorides and their preparation
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2859245 |
Reaction of sf4 with organic compounds containing a carbonyl radical
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2840457 |
Preparation of disulfur decafluoride
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