Process for adjusting the alcohol content of wines or alcoholic beverages and installation for its implementation
Patent 4806366 Issued on February 21, 1989. Estimated Expiration Date: 
June 20, 2006. 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 20, 2006. 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.InventorsAssigneeApplicationNo. 06/878528 filed on 06/20/1986US Classes:426/15, Of fruit or fruit material210/641, Utilizing plural diverse membranes210/651, Removing specified material426/16, Of malt wort426/490Starting material is liquidExaminersPrimary: Chin, PeterAssistant: Dang, Thi Attorney, Agent or FirmInternational ClassesC12G 1/00 (20060101)C12G 3/08 (20060101) C12M 1/12 (20060101) C12G 3/00 (20060101) Foreign Application Priority Data1985-07-05 FRAbstractThe invention concerns a product for adjusting the degree of alcohol of wines or alcoholic beverages. According to the invention, this process consists in resorting to two coupled reverse osmosis systems each comprising a tank for supplying the product to be processed upstream from a reverse osmosis cell, in equipping the two reverse osmosis cells P and I with membranes with a distinctly different permeability to ethanol, in withdrawing the permeate originating from said cell P, in sending it into said supply reservoir upstream from said cell I, in withdrawing the permeate originating from said cell I and in sending it into the supply tank upstream from cell P, whilst recovering the corresponding concentrates X and Y.Other References
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