NL141511B - Werkwijze ter bereiding van pyrazinamidederivaten. - Google Patents

Werkwijze ter bereiding van pyrazinamidederivaten.

Info

Publication number
NL141511B
NL141511B NL686812003A NL141511DA NL141511B NL 141511 B NL141511 B NL 141511B NL 686812003 A NL686812003 A NL 686812003A NL 141511D A NL141511D A NL 141511DA NL 141511 B NL141511 B NL 141511B
Authority
NL
Netherlands
Prior art keywords
pyrazinamide
derivatives
preparing
pyrazinamide derivatives
preparing pyrazinamide
Prior art date
Application number
NL686812003A
Other languages
English (en)
Original Assignee
Merck & Co Inc
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.)
Publication of NL141511B publication Critical patent/NL141511B/nl

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/16—Fractionating columns in which vapour bubbles through liquid
    • B01D3/18—Fractionating columns in which vapour bubbles through liquid with horizontal bubble plates
    • B01D3/20—Bubble caps; Risers for vapour; Discharge pipes for liquid
    • B01D3/205—Bubble caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/26—Fractionating columns in which vapour and liquid flow past each other, or in which the fluid is sprayed into the vapour, or in which a two-phase mixture is passed in one direction
    • B01D3/28—Fractionating columns with surface contact and vertical guides, e.g. film action

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
NL686812003A 1948-05-05 Werkwijze ter bereiding van pyrazinamidederivaten. NL141511B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1240648A GB650121A (en) 1948-05-05 1948-05-05 Improvements relating to methods of fractionating vapours and apparatus therefor

Publications (1)

Publication Number Publication Date
NL141511B true NL141511B (nl)

Family

ID=10004009

Family Applications (2)

Application Number Title Priority Date Filing Date
NL69514D NL69514C (nl) 1948-05-05
NL686812003A NL141511B (nl) 1948-05-05 Werkwijze ter bereiding van pyrazinamidederivaten.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL69514D NL69514C (nl) 1948-05-05

Country Status (2)

Country Link
GB (1) GB650121A (nl)
NL (2) NL141511B (nl)

Also Published As

Publication number Publication date
NL69514C (nl)
GB650121A (en) 1951-02-14

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