OPTIMEM

Class [17]
Rubber Products

Permeable and semi-permeable membranes made from plastics; plastics films or hollow fibres for use as gas and/or liquid interchange media, or for use in separation of liquid mixtures or liquid and solid mixtures in fluid processing; semi-processed foams and substrates of plastics for use in filtration; plastics materials cast onto or impregnated into porous support structures for use in filtration, osmosis, desalination, dialysis and related liquid treatments; cloth or otherwise reinforced films and sheets of plastics for use in manufacture of liquid treatment units; all included in Class 17; but not including polymeric materials or blanks of such materials for use in the manufacture of contact lenses.