Production of methanethiol from H2 S and CO
Patent 4570020 Issued on February 11, 1986. Estimated Expiration Date: 
June 29, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
June 29, 2004. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3856925 Mercaptans by addition of hydrogen sulfide to olefins in presence of carbon disulfide Sulfur resistant molybdenum catalysts for methanation Solubilization of coal with hydrogen sulfide and carbon monoxide Oxidation catalyst and method for its manufacture Conversion of mononitro aromatic compounds to amino compounds by hydrogen sulfide Patent #: 4326081 InventorsApplicationNo. 06/626065 filed on 06/29/1984US Classes:568/70, Preparing by reacting hydrogen sulfide or a metal hydrosulfide568/60, Symmetrical (e.g., dimethyl sulfide, etc.)585/733From nonhydrocarbon feedExaminersPrimary: Daus, Donald G.Assistant: Ceperley, Mary E. Attorney, Agent or FirmAbstractMethanethiol is produced from a gaseous feed comprising a mixture of H2 S and CO by contacting said feed, at a temperature of at least about 225° C., with a catalyst comprising an oxide of a metal selected from the group consisting of V, Nb, and Ta and mixtures thereof, preferably V, supported on titania and wherein at least a portion, and preferably at least about 25 wt. %, of said supported oxide is in a non-crystalline form.Other References
Field of SearchSymmetrical (e.g., dimethyl sulfide, etc.) |
| ||||||||||||||
