Filter for filtering mutagens from an engine oil

Details Filter for filtering mutagens from an engine oil Filter for filtering mutagens from an engine oil

2004-04-09

2008-12-02

Upton, Christopher (Department: 1797)

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

With spaced non-particulate separating means

C210S282000, C210S416500, C210SDIG017

Reexamination Certificate

active

07459079

ABSTRACT:
A filter (2) for filtering mutagens from an engine oil, which filter (2) comprises a body (4), an inlet (12) for oil passing into the body (4), an outlet (14) for the oil passing out of the body (4), and a filter (2) material in the body (4) for filtering the oil as the oil passes through the body (4), and the filter (2) material being such that it comprises activated carbon (16) for removing the mutagens.

REFERENCES:
patent: 3730347 (1973-05-01), Giampalmi et al.
patent: 3836005 (1974-09-01), Bauer
patent: 4645597 (1987-02-01), Wada
patent: 5069799 (1991-12-01), Brownawell et al.
patent: 5225081 (1993-07-01), Brownawell
patent: 5589059 (1996-12-01), Semar
patent: 5679251 (1997-10-01), Swanson et al.
patent: 0 416 908 (1991-03-01), None

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