Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Steven Kritzler0
Date of Patent
June 19, 2007
0Patent Application Number
102397130
Date Filed
March 27, 2001
0Patent Primary Examiner
Patent abstract
The invention provides a filter treated with a humectant which may optionally be in combination with a surfactant. The treatment may also include a water soluble rheology modifier to alter the viscosity of water drawn onto the filter by the humectant. A tackifier may also be added. The invention also provides compositions suitable for application to a filter to carry out the treatment. The invention provides a method of “upgrading” a filter using the treatments and compositions described.
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