FR1185991A - Polyhalogenated acid purification process - Google Patents

Polyhalogenated acid purification process

Info

Publication number
FR1185991A
FR1185991A FR1185991DA FR1185991A FR 1185991 A FR1185991 A FR 1185991A FR 1185991D A FR1185991D A FR 1185991DA FR 1185991 A FR1185991 A FR 1185991A
Authority
FR
France
Prior art keywords
polyhalogenated
purification process
acid purification
acid
purification
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
Application number
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.)
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
Application granted granted Critical
Publication of FR1185991A publication Critical patent/FR1185991A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C07C51/445—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by steam distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
FR1185991D 1956-11-10 1957-11-09 Polyhalogenated acid purification process Expired FR1185991A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1185991X 1956-11-10

Publications (1)

Publication Number Publication Date
FR1185991A true FR1185991A (en) 1959-08-11

Family

ID=7730785

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1185991D Expired FR1185991A (en) 1956-11-10 1957-11-09 Polyhalogenated acid purification process

Country Status (1)

Country Link
FR (1) FR1185991A (en)

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