DE29502307U1 - Gerät zum Erzeugen von Stickstoffgas - Google Patents

Gerät zum Erzeugen von Stickstoffgas

Info

Publication number
DE29502307U1
DE29502307U1 DE29502307U DE29502307U DE29502307U1 DE 29502307 U1 DE29502307 U1 DE 29502307U1 DE 29502307 U DE29502307 U DE 29502307U DE 29502307 U DE29502307 U DE 29502307U DE 29502307 U1 DE29502307 U1 DE 29502307U1
Authority
DE
Germany
Prior art keywords
nitrogen gas
generating nitrogen
generating
gas
nitrogen
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.)
Expired - Lifetime
Application number
DE29502307U
Other languages
English (en)
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.)
Duerr Dental SE
Original Assignee
Duerr Dental SE
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 Duerr Dental SE filed Critical Duerr Dental SE
Priority to DE29502307U priority Critical patent/DE29502307U1/de
Publication of DE29502307U1 publication Critical patent/DE29502307U1/de
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
    • 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
    • B01D53/22—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 diffusion
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/04—Purification or separation of nitrogen
    • C01B21/0405—Purification or separation processes
    • C01B21/0433—Physical processing only
    • C01B21/0438—Physical processing only by making use of membranes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
DE29502307U 1995-02-13 1995-02-13 Gerät zum Erzeugen von Stickstoffgas Expired - Lifetime DE29502307U1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE29502307U DE29502307U1 (de) 1995-02-13 1995-02-13 Gerät zum Erzeugen von Stickstoffgas

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE29502307U DE29502307U1 (de) 1995-02-13 1995-02-13 Gerät zum Erzeugen von Stickstoffgas

Publications (1)

Publication Number Publication Date
DE29502307U1 true DE29502307U1 (de) 1996-06-05

Family

ID=8003818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE29502307U Expired - Lifetime DE29502307U1 (de) 1995-02-13 1995-02-13 Gerät zum Erzeugen von Stickstoffgas

Country Status (1)

Country Link
DE (1) DE29502307U1 (de)

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 19960718

R150 Term of protection extended to 6 years

Effective date: 19980604

R157 Lapse of ip right after 6 years

Effective date: 20011201