CA2471429A1 - Antiviral and antibacterial respirator mask - Google Patents

Antiviral and antibacterial respirator mask Download PDF

Info

Publication number
CA2471429A1
CA2471429A1 CA002471429A CA2471429A CA2471429A1 CA 2471429 A1 CA2471429 A1 CA 2471429A1 CA 002471429 A CA002471429 A CA 002471429A CA 2471429 A CA2471429 A CA 2471429A CA 2471429 A1 CA2471429 A1 CA 2471429A1
Authority
CA
Canada
Prior art keywords
contaminated air
air
stage
wearer
nose
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002471429A
Other languages
French (fr)
Other versions
CA2471429C (en
Inventor
Sheree H. Wen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2471429A1 publication Critical patent/CA2471429A1/en
Application granted granted Critical
Publication of CA2471429C publication Critical patent/CA2471429C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators

Abstract

The invention provides a gas mask (10) comprising a face piece including a transparent eye covering (16), and including a space (18) to allow air to circulate around the nose and mouth of a wearer, and having an airtight seal to prevent contaminated air from entering the gas mask; a filtration apparatus (22) containing an active stage and a passive stage, the passive stage for filtering out particles above a predetermined size, and including adsorbent media for removing toxic or harmful substances and fluids from the contaminated air, the active stage containing at least one agent to kill ambient bacteria and viruses; an intake vent (22) permitting contaminated air to enter into the filtration system; at least one passageway (20) connecting the filtration apparatus to the space around the nose and mouth of the wearer;
and an exhalation port through which exhaled air may be expelled.
CA002471429A 2001-12-18 2002-12-18 Antiviral and antibacterial respirator mask Expired - Fee Related CA2471429C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/023,961 2001-12-18
US10/023,961 US6681765B2 (en) 2001-12-18 2001-12-18 Antiviral and antibacterial respirator mask
PCT/US2002/040536 WO2003051460A1 (en) 2001-12-18 2002-12-18 Antiviral and antibacterial respirator mask

Publications (2)

Publication Number Publication Date
CA2471429A1 true CA2471429A1 (en) 2003-06-26
CA2471429C CA2471429C (en) 2009-03-17

Family

ID=21818136

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002471429A Expired - Fee Related CA2471429C (en) 2001-12-18 2002-12-18 Antiviral and antibacterial respirator mask

Country Status (9)

Country Link
US (1) US6681765B2 (en)
EP (1) EP1465705B1 (en)
JP (1) JP2005512641A (en)
AT (1) ATE466626T1 (en)
AU (1) AU2002357320A1 (en)
CA (1) CA2471429C (en)
DE (1) DE60236320D1 (en)
IL (2) IL162597A0 (en)
WO (1) WO2003051460A1 (en)

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Also Published As

Publication number Publication date
EP1465705A4 (en) 2007-10-17
US6681765B2 (en) 2004-01-27
IL162597A0 (en) 2005-11-20
JP2005512641A (en) 2005-05-12
CA2471429C (en) 2009-03-17
WO2003051460A1 (en) 2003-06-26
DE60236320D1 (en) 2010-06-17
EP1465705B1 (en) 2010-05-05
ATE466626T1 (en) 2010-05-15
US20030111075A1 (en) 2003-06-19
IL162597A (en) 2009-05-04
EP1465705A1 (en) 2004-10-13
AU2002357320A1 (en) 2003-06-30

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20121218