FR2158290A1 - - Google Patents

Info

Publication number
FR2158290A1
FR2158290A1 FR7238009A FR7238009A FR2158290A1 FR 2158290 A1 FR2158290 A1 FR 2158290A1 FR 7238009 A FR7238009 A FR 7238009A FR 7238009 A FR7238009 A FR 7238009A FR 2158290 A1 FR2158290 A1 FR 2158290A1
Authority
FR
France
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Withdrawn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
FR7238009A
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.)
Hercules LLC
Original Assignee
Hercules LLC
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 US00192299A external-priority patent/US3840592A/en
Priority claimed from US00192309A external-priority patent/US3840593A/en
Application filed by Hercules LLC filed Critical Hercules LLC
Publication of FR2158290A1 publication Critical patent/FR2158290A1/fr
Withdrawn legal-status Critical Current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
    • C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR7238009A 1971-10-26 1972-10-26 Withdrawn FR2158290A1 (ref)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US00192299A US3840592A (en) 1971-10-26 1971-10-26 Separation of dioxin and 2,4,5-t from dioxin and 2,4,5-t-contaminated silvex
US00192309A US3840593A (en) 1971-10-26 1971-10-26 Separation of 2,4,5-t and 2,3,7,8-tetrachlorodibenzo-p-dioxin from 2-(2,4,5-trichlorophenoxy)propionic acid contaminated therewith

Publications (1)

Publication Number Publication Date
FR2158290A1 true FR2158290A1 (ref) 1973-06-15

Family

ID=26887952

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7238009A Withdrawn FR2158290A1 (ref) 1971-10-26 1972-10-26

Country Status (5)

Country Link
BE (1) BE790558A (ref)
DE (1) DE2252561A1 (ref)
FR (1) FR2158290A1 (ref)
GB (1) GB1356896A (ref)
NL (1) NL7214524A (ref)

Families Citing this family (1)

* 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

Also Published As

Publication number Publication date
NL7214524A (ref) 1973-05-01
BE790558A (fr) 1973-04-25
GB1356896A (en) 1974-06-19
DE2252561A1 (de) 1973-05-03

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Legal Events

Date Code Title Description
ST Notification of lapse