FR2000990A1 - - Google Patents

Info

Publication number
FR2000990A1
FR2000990A1 FR6901935A FR6901935A FR2000990A1 FR 2000990 A1 FR2000990 A1 FR 2000990A1 FR 6901935 A FR6901935 A FR 6901935A FR 6901935 A FR6901935 A FR 6901935A FR 2000990 A1 FR2000990 A1 FR 2000990A1
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.)
Withdrawn
Application number
FR6901935A
Other languages
French (fr)
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.)
Yawata Iron and Steel Co Ltd
Original Assignee
Yawata Iron and Steel Co Ltd
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 Yawata Iron and Steel Co Ltd filed Critical Yawata Iron and Steel Co Ltd
Publication of FR2000990A1 publication Critical patent/FR2000990A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D3/00—Diffusion processes for extraction of non-metals; Furnaces therefor
    • C21D3/02—Extraction of non-metals
    • C21D3/08—Extraction of nitrogen
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Treating Waste Gases (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
FR6901935A 1968-01-30 1969-01-30 Withdrawn FR2000990A1 (en))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP554268 1968-01-30

Publications (1)

Publication Number Publication Date
FR2000990A1 true FR2000990A1 (en)) 1969-09-19

Family

ID=11614064

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6901935A Withdrawn FR2000990A1 (en)) 1968-01-30 1969-01-30

Country Status (5)

Country Link
BE (1) BE727624A (en))
DE (1) DE1904572B1 (en))
ES (1) ES363088A1 (en))
FR (1) FR2000990A1 (en))
GB (1) GB1267411A (en))

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE625302A (en)) * 1961-12-01 1963-05-27

Also Published As

Publication number Publication date
ES363088A1 (es) 1970-12-01
DE1904572B1 (de) 1971-08-26
BE727624A (en)) 1969-07-01
GB1267411A (en) 1972-03-22

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Legal Events

Date Code Title Description
CA Change of address
CD Change of name or company name
ST Notification of lapse