FR2004389A1 - - Google Patents

Info

Publication number
FR2004389A1
FR2004389A1 FR6907856A FR6907856A FR2004389A1 FR 2004389 A1 FR2004389 A1 FR 2004389A1 FR 6907856 A FR6907856 A FR 6907856A FR 6907856 A FR6907856 A FR 6907856A FR 2004389 A1 FR2004389 A1 FR 2004389A1
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Withdrawn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
FR6907856A
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.)
WM Wrigley Jr Co
Original Assignee
WM Wrigley Jr Co
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 WM Wrigley Jr Co filed Critical WM Wrigley Jr Co
Publication of FR2004389A1 publication Critical patent/FR2004389A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C07C45/84—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation by azeotropic distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
    • C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/78—Separation; Purification; Stabilisation; Use of additives
    • C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/11—Batch distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
FR6907856A 1968-03-21 1969-03-19 Withdrawn FR2004389A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US71480768A 1968-03-21 1968-03-21

Publications (1)

Publication Number Publication Date
FR2004389A1 true FR2004389A1 (fr) 1969-11-21

Family

ID=24871539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6907856A Withdrawn FR2004389A1 (fr) 1968-03-21 1969-03-19

Country Status (6)

Country Link
US (1) US3657074A (fr)
BE (1) BE730153A (fr)
CH (1) CH502976A (fr)
FR (1) FR2004389A1 (fr)
GB (1) GB1210613A (fr)
NL (1) NL6903919A (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL52430C (fr) * 1937-10-28
GB666435A (en) * 1948-06-14 1952-02-13 British Celanese Purifying methyl ethyl ketone by a distillation and extraction process
US2866823A (en) * 1956-12-14 1958-12-30 Union Carbide Corp Process for the removal of formaldehyde from crude pyruvic aldehyde solution
US3419477A (en) * 1967-11-02 1968-12-31 Day & Zimmermann Inc Process for purifying acetone by azeotropic distillation with an alkylchloride

Also Published As

Publication number Publication date
BE730153A (fr) 1969-09-01
GB1210613A (en) 1970-10-28
NL6903919A (fr) 1969-09-23
DE1914038A1 (de) 1969-10-09
DE1914038B2 (de) 1975-09-25
US3657074A (en) 1972-04-18
CH502976A (de) 1971-02-15

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Legal Events

Date Code Title Description
ST Notification of lapse