CA2318792A1 - Filter for chemical oxygen generators - Google Patents

Filter for chemical oxygen generators Download PDF

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Publication number
CA2318792A1
CA2318792A1 CA002318792A CA2318792A CA2318792A1 CA 2318792 A1 CA2318792 A1 CA 2318792A1 CA 002318792 A CA002318792 A CA 002318792A CA 2318792 A CA2318792 A CA 2318792A CA 2318792 A1 CA2318792 A1 CA 2318792A1
Authority
CA
Canada
Prior art keywords
chemical oxygen
filter
oxygen generators
mesh
approximately
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
CA002318792A
Other languages
French (fr)
Other versions
CA2318792C (en
Inventor
Yunchang Zhang
Michael J. Brumley
James C. Cannon
John E. Ellison
Girish S. Kshirsagar
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.)
BE Intellectual Property Inc
Original Assignee
Be Intellectual Property, Inc.
Yunchang Zhang
Michael J. Brumley
James C. Cannon
John E. Ellison
Girish S. Kshirsagar
Nellcor Puritan Bennett Incorporated
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 Be Intellectual Property, Inc., Yunchang Zhang, Michael J. Brumley, James C. Cannon, John E. Ellison, Girish S. Kshirsagar, Nellcor Puritan Bennett Incorporated filed Critical Be Intellectual Property, Inc.
Publication of CA2318792A1 publication Critical patent/CA2318792A1/en
Application granted granted Critical
Publication of CA2318792C publication Critical patent/CA2318792C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/20—Other self-supporting filtering material ; Other filtering material of inorganic material, e.g. asbestos paper, metallic filtering material of non-woven wires
    • B01D39/2068—Other inorganic materials, e.g. ceramics
    • B01D39/2072—Other inorganic materials, e.g. ceramics the material being particulate or granular
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0203—Preparation of oxygen from inorganic compounds
    • C01B13/0218—Chlorate
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
    • C01B13/02—Preparation of oxygen
    • C01B13/0296—Generators releasing in a self-sustaining way pure oxygen from a solid charge, without interaction of it with a fluid nor external heating, e.g. chlorate candles or canisters containing them
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Abstract

The filter contains about 1-15 % lithium hydroxide and about 85-99 % hopcalite material, having a particle size of approximately 20 to 100 mesh, and can be used in combination with a chemical oxygen generator for removing chlorine gas and carbon monoxide.
CA002318792A 1998-01-30 1998-12-18 Filter for chemical oxygen generators Expired - Lifetime CA2318792C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/016,111 1998-01-30
US09/016,111 US6071329A (en) 1998-01-30 1998-01-30 Filter for chemical oxygen generators
PCT/US1998/027087 WO1999038797A1 (en) 1998-01-30 1998-12-18 Filter for chemical oxygen generators

Publications (2)

Publication Number Publication Date
CA2318792A1 true CA2318792A1 (en) 1999-08-05
CA2318792C CA2318792C (en) 2008-11-25

Family

ID=21775442

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002318792A Expired - Lifetime CA2318792C (en) 1998-01-30 1998-12-18 Filter for chemical oxygen generators

Country Status (6)

Country Link
US (3) US6071329A (en)
EP (1) EP1049647B1 (en)
AU (1) AU739751B2 (en)
CA (1) CA2318792C (en)
DE (1) DE69814468T2 (en)
WO (1) WO1999038797A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7601262B1 (en) 2001-06-22 2009-10-13 Argonide Corporation Sub-micron filter
US7544029B2 (en) 2002-08-30 2009-06-09 Hewlett-Packard Development Company, L.P. Apparatus and method for attaching a cover to an assembly of sheets
US7487875B2 (en) * 2005-08-30 2009-02-10 General Electric Company Candle filter assembly and candle filter element
WO2007033173A1 (en) * 2005-09-12 2007-03-22 Argonide Corporation Electrostatic air filter
US7390343B2 (en) * 2005-09-12 2008-06-24 Argonide Corporation Drinking water filtration device
US9108968B2 (en) 2012-04-25 2015-08-18 Ppg Industries Ohio, Inc. Methods for producing 1,5,7-triazabicyclo[4.4.0]dec-5-ene by reaction of a disubstituted carbodiimide and dipropylene triamine
EP2866915A1 (en) 2012-06-27 2015-05-06 Argonide Corporation Aluminized silicious sorbent and water purification device incorporating the same

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2920050A (en) * 1943-12-30 1960-01-05 Francis E Blacet Whetlerite product and process
US2920051A (en) * 1944-01-22 1960-01-05 Edwin O Wiig Whetlerite product and process
BE621916A (en) 1961-08-30
US3355317A (en) * 1966-03-18 1967-11-28 Liggett & Myers Tobacco Co Process of impregnating adsorbent materials with metal oxides
GB1224816A (en) * 1967-10-06 1971-03-10 Bergwerksverband Gmbh Improvements in or relating to absorption agents
US4315837A (en) 1980-04-16 1982-02-16 Xerox Corporation Composite material for ozone removal
DE3233156A1 (en) 1981-09-11 1983-03-31 Domnick Hunter Filters Ltd., Birtley, Co. Durham DEVICE FOR TREATING COMPRESSED AIR FOR BREATHING PURPOSES
US4457898A (en) 1982-04-30 1984-07-03 Facilitated Separations, Ltd. Managanese compounds and sorption of gases using manganese compounds
US4594231A (en) * 1983-09-22 1986-06-10 Takeda Chemical Industries, Ltd. Method for removal of poisonous gases
FR2558388B1 (en) 1984-01-23 1986-05-16 Ruggieri Ets CHEMICAL OXYGEN GENERATOR WITH REDUCED IMPURITY RATE
US4802898A (en) * 1985-06-17 1989-02-07 Westvaco Corporation Method and apparatus for removing cyanogen chloride from air
US4832926A (en) 1985-11-08 1989-05-23 Figgie International Inc. Chlorine gas filtering material suitable for use in a chemical oxygen generator and method of making
US4687640A (en) * 1985-11-08 1987-08-18 Figgie International Inc. Chlorine gas filtering material suitable for use in a chemical oxygen generator
US4855276A (en) * 1987-09-02 1989-08-08 Purafil, Inc. Solid filtration medium incorporating alumina and carbon
US5254323A (en) 1988-02-16 1993-10-19 Mitsui Toatsu Chemicals, Incorporated Industrial process for the separation and recovery of chlorine
US4963327A (en) 1988-03-23 1990-10-16 Z-Gard, Inc. Oxygen generating module
JPH074417B2 (en) 1988-05-30 1995-01-25 三菱重工業株式会社 Deodorizing filter and manufacturing method thereof
US4925631A (en) 1988-09-26 1990-05-15 Figgie International, Inc. Method of casting a hopcalite filter and cast ceramic fiber-hopcalite
CA2014500C (en) * 1989-04-17 1996-09-24 Yoshitsugu Sakata Acidic gas absorbent and process for production thereof
US5029578A (en) * 1989-09-15 1991-07-09 United States Of America As Represented By The Secretary Of The Navy Oxygen breathing apparatus simulator
US5038768A (en) * 1989-10-02 1991-08-13 The United States Of America As Represented By The Secretary Of The Navy Carbon monoxide conversion device
US5126310A (en) 1990-08-23 1992-06-30 Air Products And Chemicals, Inc. Highly dispersed cuprous compositions
JPH0691957B2 (en) 1991-07-19 1994-11-16 ニチアス株式会社 Ozone filter and its manufacturing method
US5238897A (en) * 1991-09-27 1993-08-24 North Carolina Center For Scientific Research, Inc. Catalyst for molecular catalytic cracking of heavy hydrocarbons at ambient temperatures, and method of making the same
US5186903A (en) * 1991-09-27 1993-02-16 North Carolina Center For Scientific Research, Inc. Apparatus for treating indoor air
US5221520A (en) * 1991-09-27 1993-06-22 North Carolina Center For Scientific Research, Inc. Apparatus for treating indoor air
US5279761A (en) * 1992-03-13 1994-01-18 Puritan-Bennett Corporation Chemical oxygen generating compositions containing LI202

Also Published As

Publication number Publication date
US6464757B2 (en) 2002-10-15
DE69814468D1 (en) 2003-06-12
EP1049647A1 (en) 2000-11-08
EP1049647B1 (en) 2003-05-07
AU739751B2 (en) 2001-10-18
DE69814468T2 (en) 2004-03-18
WO1999038797A1 (en) 1999-08-05
US6071329A (en) 2000-06-06
CA2318792C (en) 2008-11-25
AU1932899A (en) 1999-08-16
US6296689B1 (en) 2001-10-02
US20020073846A1 (en) 2002-06-20

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EEER Examination request
MKEX Expiry

Effective date: 20181218