| TETRATEX CONTACT Donaldson Company, Inc. 1466659 10 Nov 2011 | Withdrawn: Cancelled before protection | Filtration media in the form of a membrane or multilayer fabric for us... Class 011 Class 011 Environmental Control Instrument Products lighting heating cooling cooking Filtration media in the form of a membrane or multilayer fabric for use in filtering gases and/or liquids; microporous membranes for the venting, filtration, sterile filtration and purification of liquids and gases in breather vent, gas sensor, chemical venting, process chemical purification, sterile hydrophobic venting, and electronic and computer air filter applications Class 017 Microporous semi-permeable polytetrafluoroethylene (PTFE) membranes; plastic in the form of porous polytetrafluoroethylene (PTFE) membrane sheets for use in manufacturing, polymeric filter media for domestic and industrial filtration | |
