BE709112A - - Google Patents

Info

Publication number
BE709112A
BE709112A BE709112DA BE709112A BE 709112 A BE709112 A BE 709112A BE 709112D A BE709112D A BE 709112DA BE 709112 A BE709112 A BE 709112A
Authority
BE
Belgium
Application number
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
Priority claimed from US608264A external-priority patent/US3403179A/en
Application filed filed Critical
Publication of BE709112A publication Critical patent/BE709112A/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/02Details
    • H01J37/18Vacuum locks ; Means for obtaining or maintaining the desired pressure within the vessel
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00Electron-beam welding or cutting

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE709112D 1967-01-10 1968-01-09 BE709112A (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US608264A US3403179A (en) 1967-01-10 1967-01-10 Novel 7-(1, 2-bis-substituted-hydrazino)-tetracyclines and methods of preparing same
US62029467A 1967-03-03 1967-03-03

Publications (1)

Publication Number Publication Date
BE709112A true BE709112A (da) 1968-07-09

Family

ID=27085712

Family Applications (1)

Application Number Title Priority Date Filing Date
BE709112D BE709112A (da) 1967-01-10 1968-01-09

Country Status (7)

Country Link
JP (1) JPS5215594B1 (da)
BE (1) BE709112A (da)
DE (1) DE1643767C3 (da)
ES (1) ES352203A1 (da)
FR (1) FR1550023A (da)
GB (1) GB1206439A (da)
NL (1) NL162066C (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1666453A1 (en) * 1999-09-14 2006-06-07 Trustees Of Tufts College Methods of preparing substituted tetracyclines with transition metal-based chemistries

Also Published As

Publication number Publication date
GB1206439A (en) 1970-09-23
JPS5215594B1 (da) 1977-04-30
DE1643767A1 (de) 1972-03-02
ES352203A1 (es) 1970-02-01
NL6800362A (da) 1968-07-11
NL162066B (nl) 1979-11-15
DE1643767B2 (de) 1980-04-17
NL162066C (nl) 1980-04-15
FR1550023A (da) 1968-12-13
DE1643767C3 (de) 1981-01-08

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: AMERICAN CYANAMID CY

Effective date: 19880109