Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
January 1, 2008
Patent Application Number
11459671
Date Filed
July 25, 2006
Patent Primary Examiner
Patent abstract
A method of and apparatus for extending the life of fountain solutions used in commercial printing presses comprises withdrawing fountain solution from the dampener recirculation system of a printing press and directing the withdrawn fountain solution through a sediment prefilter, a separation filter, and a post treatment filter. The sediment prefilter preferably comprises a melt blown polypropylene filter; the separation filter preferably comprises a diatomaceous earth filter; and the post treatment filter preferably comprises a zeolite filter.
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