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This is a List of the Expired Algae Patents that are Available, just click on link for more detailed patent info.

[http://www.google.com/patents?id=gnNhAAAAEBAJ Algae T] : none

[http://www.google.com/patents?id=uRxuAAAAEBAJ X C Control of Slime and Algae T] : None

[http://www.google.com/patents?id=RZBPAAAAEBAJ Destruction of Algae] : none

[http://www.google.com/patents?id=TkVyAAAAEBAJ Method of Destroying Algae In] : none

[http://www.google.com/patents?id=9G5LAAAAEBAJ Mass Culture of Algae] : A process for the mass culture of algae, which will provide relatively high rates of cell growth per liter of aqueous medium; maintenance of relatively high cell population density

[http://www.google.com/patents?id=MqtPAAAAEBAJ Killing Algae in Water with Copper] : none

[http://www.google.com/patents?id=67ZTAAAAEBAJ Elimination of Algae in Aquatic Ponds] : none

[http://www.google.com/patents?id=zgBGAAAAEBAJ Method of Killing Algae] : none

[http://www.google.com/patents?id=J2tcAAAAEBAJ Extent OP Mildew and Algae Inhibition Imparted] : none

[http://www.google.com/patents?id=8Cx1AAAAEBAJ Method of Controlling Fungi and Algae] : none

[http://www.google.com/patents?id=yplIAAAAEBAJ Transformation of Algae to Human Nutrient]: Making unicellular algae suitable as a nutrient for human consumption by bleaching the algae and adding nutritionally valuable ingredients therein