Sealing solution and process to prevent deposits forming during the sealing of anodized aluminum surfaces
Patent 4235682 Issued on November 25, 1980. Estimated Expiration Date: 
August 20, 1999. 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.
August 20, 1999. 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 References3671333 InventorsAssigneeApplicationNo. 06/067437 filed on 08/20/1979US Classes:205/204, Sealing agent includes organic constituent148/274Contains organic materialExaminersPrimary: Williams, Howard L.Assistant: Leader, William T. Attorney, Agent or FirmInternational ClassesC25D 11/18 (20060101)C25D 11/24 (20060101) Foreign Application Priority Data1978-09-07 CHAbstractThe solution for sealing anodic oxidized aluminum or aluminum alloys comprises basically an aqueous solution containing an addition of 0.1 to 2.5 g/l, made up of Agar-Agar and gelatine. the optimum pH value for the solution lies between 5.5 and 6.0.The sealing is carried out at a temperature between 90° C. and the boiling point of the solution.Other References
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