Mineral oils: processes and products – Asphalts – tars – pitches and resins; making – treating and...
Patent
1994-11-17
1996-07-09
Myers, Helane
Mineral oils: processes and products
Asphalts, tars, pitches and resins; making, treating and...
208 45, 208177, 210281, 210787, C10C 100
Patent
active
055341330
ABSTRACT:
Continuous method for treating a liquid tar containing Q.I. solids to provide a liquid tar product having increased Q.I. concentration and, concurrently, a Q.I. free liquid tar product. The method utilizes cross-flow filter membranes.
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Chang Ching F.
Gilleskie Gary L.
Keller, II George E.
Lewis Irwin C.
Shao Richard L.
McCarthy Frederick J.
Myers Helane
UCAR Carbon Technology Corporation
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