BE790557A - Procede pour purifier de l'acide 2,4,5-trichlorophenoxyacetiquecontamine par de la dioxine - Google Patents

Procede pour purifier de l'acide 2,4,5-trichlorophenoxyacetiquecontamine par de la dioxine

Info

Publication number
BE790557A
BE790557A BE790557DA BE790557A BE 790557 A BE790557 A BE 790557A BE 790557D A BE790557D A BE 790557DA BE 790557 A BE790557 A BE 790557A
Authority
BE
Belgium
Prior art keywords
dioxin
purifying
trichlorophenoxyacetic acid
acid contaminated
contaminated
Prior art date
Application number
Other languages
English (en)
Inventor
J J Ford
Original Assignee
Hercules 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 date
Publication of BE790557A publication Critical patent/BE790557A/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/14—1,4-Dioxanes; Hydrogenated 1,4-dioxanes condensed with carbocyclic rings or ring systems
    • C07D319/24—[b,e]-condensed with two six-membered rings
    • 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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
BE790557D 1971-10-26 Procede pour purifier de l'acide 2,4,5-trichlorophenoxyacetiquecontamine par de la dioxine BE790557A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19229871A 1971-10-26 1971-10-26

Publications (1)

Publication Number Publication Date
BE790557A true BE790557A (fr) 1973-04-25

Family

ID=22709100

Family Applications (1)

Application Number Title Priority Date Filing Date
BE790557D BE790557A (fr) 1971-10-26 Procede pour purifier de l'acide 2,4,5-trichlorophenoxyacetiquecontamine par de la dioxine

Country Status (6)

Country Link
BE (1) BE790557A (fr)
CA (1) CA973563A (fr)
DE (1) DE2252562A1 (fr)
FR (1) FR2161932A1 (fr)
GB (1) GB1357053A (fr)
NL (1) NL7214523A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4326882A (en) * 1978-08-28 1982-04-27 Ppg Industries, Inc. Trichlorophenoxy alkanoic acid free of chlorinated dibenzo-p-dioxins
US4267055A (en) * 1979-09-04 1981-05-12 Rohm And Haas Company Separation of more planar molecules from less planar molecules
CN112607939B (zh) * 2020-12-01 2022-09-09 维讯化工（南京）有限公司 利用连续萃取法回收氰氟草酯溶剂的方法

Also Published As

Publication number Publication date
DE2252562A1 (de) 1973-05-03
FR2161932A1 (fr) 1973-07-13
GB1357053A (en) 1974-06-19
CA973563A (en) 1975-08-26
NL7214523A (fr) 1973-05-01

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