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US Patent 5873262 - Desalination through methane hydrate
US Patent Issued on February 23, 1999
Estimated Patent Expiration Date:
June 30, 2017Estimated 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.
Estimated Patent Expiration Date:
June 30, 2017Estimated 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.AbstractIn one embodiment, this invention pertains to desalination of seawater by eding methane into seawater at a depth exceeding 100 meters to form methane hydrate which rises to where it is decomposed into methane and water, and recovering water. Methane is recycled. | InventorsApplicationNo. 886574 filed on 06/30/1997US Classes:62/532, Fractionally solidifying a constituent and separating the same62/533Including direct contact with added refrigerantField of Search62/532, Fractionally solidifying a constituent and separating the same62/533Including direct contact with added refrigerantExaminersPrimary: Kilner, ChristopherAttorney, Agent or FirmUS Patent References3630042, 3835658, 3856492, 3892103, 4593538, Refrigeration cycle operatable by low thermal potential energy sourcesIssued on: 06/10/1986 Inventor: Borde , et al.5553456Clathrate freeze desalination apparatus and method Issued on: 09/10/1996 Inventor: McCormack International ClassB01D 009/04 |
