Filter with zeolitic adsorbent attached to individual exposed su

Filtering material and process for the production thereof,...

Filtering medium in the form of a sheet of paper for filters for

Filtering medium, method for making same

Filters consisting of filter paper or paper-type nonwoven...

Filters for the selective collection of metallic ions

Filters having improved permeability and virus removal...

Filters having improved permeability and virus removal...

Filters having improved permeability and virus removal...

Filtration device having hardened gum formed-in-place membranes

Filtration matrix

Filtration matrix

Filtration media comprising granules of binder-agglomerated...

Filtration media for filtering leukocytes from freshly drawn blo

Filtration medium including uniformly porous planar substrate an

Filtration membrane with calcined .alpha.-alumina particles ther

Filtration membranes and method of making the same

Filtration using expanded styrene-polymer and polyolefin micro-b

Fine porous membrane and process for producing the same

Fixing carrier for activated sludge in sewage or waste water tre