Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
July 6, 2021
Patent Application Number
17015869
Date Filed
September 9, 2020
Patent Citations Received
Patent Primary Examiner
Patent abstract
An improved protective face mask used to filter out hazardous pollution and airborne germs and viruses. Embodiments include a three layer version including a first spunbond TETHYS SHIELD treated layer, a meltblown filtration layer, and a second spunbond layer; a four layer version further including a gasket layer formed of a felt material; and a five layer version further including an activated carbon layer in between the spunbond TETHYS SHIELD treated layer and the meltblown filtration layer.
Timeline
No Timeline data yet.
Further Resources
No Further Resources data yet.
