FR2022807A1 - - Google Patents

Info

Publication number
FR2022807A1
FR2022807A1 FR6938398A FR6938398A FR2022807A1 FR 2022807 A1 FR2022807 A1 FR 2022807A1 FR 6938398 A FR6938398 A FR 6938398A FR 6938398 A FR6938398 A FR 6938398A FR 2022807 A1 FR2022807 A1 FR 2022807A1
Authority
FR
France
Prior art keywords
separated
mixture
crystals
melt
binary
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.)
Withdrawn
Application number
FR6938398A
Other languages
English (en)
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.)
Hoechst AG
Original Assignee
Hoechst AG
Farbwerke Hoechst AG
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 Hoechst AG, Farbwerke Hoechst AG filed Critical Hoechst AG
Publication of FR2022807A1 publication Critical patent/FR2022807A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C201/00Preparation of esters of nitric or nitrous acid or of compounds containing nitro or nitroso groups bound to a carbon skeleton
    • C07C201/06Preparation of nitro compounds
    • C07C201/16Separation; Purification; Stabilisation; Use of additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D9/00Crystallisation
    • B01D9/0004Crystallisation cooling by heat exchange
    • B01D9/0013Crystallisation cooling by heat exchange by indirect heat exchange
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D205/00Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom
    • C07D205/02Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings
    • C07D205/06Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member
    • C07D205/08Heterocyclic compounds containing four-membered rings with one nitrogen atom as the only ring hetero atom not condensed with other rings having one double bond between ring members or between a ring member and a non-ring member with one oxygen atom directly attached in position 2, e.g. beta-lactams

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
FR6938398A 1968-11-07 1969-11-07 Withdrawn FR2022807A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681807495 DE1807495A1 (de) 1968-11-07 1968-11-07 Verfahren zur Trennung binaerer Gemische

Publications (1)

Publication Number Publication Date
FR2022807A1 true FR2022807A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-08-07

Family

ID=5712617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6938398A Withdrawn FR2022807A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1968-11-07 1969-11-07

Country Status (5)

Country Link
BE (1) BE741422A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE1807495A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2022807A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1273278A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL6916439A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536827A1 (de) * 1995-10-02 1997-04-03 Basf Ag Verfahren und Vorrichtung zur Trennung flüssiger eutektischer Mischungen durch Kristallisation an Kühlflächen
GB9907415D0 (en) * 1999-03-31 1999-05-26 Chirotech Technology Ltd Biocatalyst and its use
EP2292306B1 (en) * 2009-09-02 2013-05-01 Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. Method for separation of racemic compound-forming chiral substances by a cyclic crystallization process and a crystallization device

Also Published As

Publication number Publication date
DE1807495A1 (de) 1970-06-11
NL6916439A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-05-11
GB1273278A (en) 1972-05-03
BE741422A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1970-05-08

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Legal Events

Date Code Title Description
ST Notification of lapse