FR1605363A - - Google Patents

Info

Publication number
FR1605363A
FR1605363A FR625940A FR625940A FR1605363A FR 1605363 A FR1605363 A FR 1605363A FR 625940 A FR625940 A FR 625940A FR 625940 A FR625940 A FR 625940A FR 1605363 A FR1605363 A FR 1605363A
Authority
FR
France
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.)
Expired
Application number
FR625940A
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 filed Critical
Priority to FR625940A priority Critical patent/FR1605363A/fr
Application granted granted Critical
Publication of FR1605363A publication Critical patent/FR1605363A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
    • A62D9/00—Composition of chemical substances for use in breathing apparatus
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/30—Active carbon
    • C01B32/312—Preparation
    • C01B32/342—Preparation characterised by non-gaseous activating agents
    • C01B32/348—Metallic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Business, Economics & Management (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Organic Chemistry (AREA)
  • Pulmonology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
FR625940A 1952-03-25 1952-03-25 Expired FR1605363A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR625940A FR1605363A (fr) 1952-03-25 1952-03-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR625940A FR1605363A (fr) 1952-03-25 1952-03-25

Publications (1)

Publication Number Publication Date
FR1605363A true FR1605363A (fr) 1975-02-28

Family

ID=8695993

Family Applications (1)

Application Number Title Priority Date Filing Date
FR625940A Expired FR1605363A (fr) 1952-03-25 1952-03-25

Country Status (1)

Country Link
FR (1) FR1605363A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550947A1 (fr) * 1983-08-26 1985-03-01 Gauchard Fernand Perfectionnements aux filtres de protection contre les incapacitants et toxiques inhalables et substances agressives analogues
EP0370141A1 (fr) * 1985-06-17 1990-05-30 Westvaco Corporation Méthode et dispositif pour éliminer du chlorure de cyanogène de l'air
US6767860B2 (en) 2001-05-10 2004-07-27 3M Innovative Properties Company Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant
US7004990B2 (en) 2003-06-26 2006-02-28 3M Innovative Properties Company Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases
WO2012064507A1 (fr) 2010-11-08 2012-05-18 3M Innovative Properties Company Couches filtrantes contenant de l'oxyde de zinc et procédés permettant de les former
US8293333B2 (en) 2008-09-02 2012-10-23 Jeffrey R. Dahn Ammonia-free gaseous air filter

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2550947A1 (fr) * 1983-08-26 1985-03-01 Gauchard Fernand Perfectionnements aux filtres de protection contre les incapacitants et toxiques inhalables et substances agressives analogues
EP0370141A1 (fr) * 1985-06-17 1990-05-30 Westvaco Corporation Méthode et dispositif pour éliminer du chlorure de cyanogène de l'air
US6767860B2 (en) 2001-05-10 2004-07-27 3M Innovative Properties Company Sublimation of solid organic compounds onto substrate surfaces in the presence of a fluid impregnant
US7004990B2 (en) 2003-06-26 2006-02-28 3M Innovative Properties Company Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases
US7309513B2 (en) 2003-06-26 2007-12-18 3M Innovative Properties Company Broad spectrum filter system including tungsten-based impregnant and being useful for filtering contaminants from air or other gases
US8293333B2 (en) 2008-09-02 2012-10-23 Jeffrey R. Dahn Ammonia-free gaseous air filter
WO2012064507A1 (fr) 2010-11-08 2012-05-18 3M Innovative Properties Company Couches filtrantes contenant de l'oxyde de zinc et procédés permettant de les former
US8585808B2 (en) 2010-11-08 2013-11-19 3M Innovative Properties Company Zinc oxide containing filter media and methods of forming the same
US8753434B2 (en) 2010-11-08 2014-06-17 3M Innovative Properties Company Zinc oxide containing filter media and methods of forming the same

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