A filter for filtering particulate material from cooking oil used in a frying process is comprised of a non-woven panel of directionally or randomly oriented fibers of a synthetic material. In a preferred embodiment of the invention, a majority of the fibers comprising said non-woven panel have a size within the range of 1-25 denier, and a length within the range of 1.5-5 inches. It is also preferred that the material of the filter be affected by exposure to the cooking oil at a filtration temperature within the range of 250.degree. F. to 400.degree. F. such that the panel experiences a vertical dimensional expansion of at least about 20% upon exposure to the cooking oil at the filtration temperature for a period of time within the range of 15-120 seconds.
US Patent Application: Filtration and filtration method for cooking oil used in frying process
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