B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/00 (2006.01) B01D 37/00 (2006.01) B01D 37/02 (2006.01) B01D 39/06 (2006.01) B32B 5/22 (2006.01)
Patent
CA 2113607
A layered filter composite comprises a filter medium, and on the upstream surface thereof a homogeneous or graded layer of nonporous spherical glass microbeads as a filter aid. A method for filtering or prefiltering a liquid mixture is disclosed wherein a layer of glass microbeads is used as a filter or filter aid. The layered filter composite is useful in analytical applications as well as in large scale industrial and remedial (clean-up) applications.
Balsimo William V.
St. Mary Steven J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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