FR1553211A - - Google Patents

Info

Publication number
FR1553211A
FR1553211A FR1553211DA FR1553211A FR 1553211 A FR1553211 A FR 1553211A FR 1553211D A FR1553211D A FR 1553211DA FR 1553211 A FR1553211 A FR 1553211A
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.)
Expired
Application number
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 filed Critical
Application granted granted Critical
Publication of FR1553211A publication Critical patent/FR1553211A/fr
Expired 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
    • C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • 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
FR1553211D 1967-01-13 1968-01-11 Expired FR1553211A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US609214A US3397120A (en) 1967-01-13 1967-01-13 Purification of dihydroisophorone by plural distillation and isomerization

Publications (1)

Publication Number Publication Date
FR1553211A true FR1553211A (fr) 1969-01-10

Family

ID=24439820

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1553211D Expired FR1553211A (fr) 1967-01-13 1968-01-11

Country Status (4)

Country Link
US (1) US3397120A (fr)
DE (1) DE1643962B2 (fr)
FR (1) FR1553211A (fr)
GB (1) GB1168009A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005145A (en) * 1974-03-01 1977-01-25 Hoffmann-La Roche Inc. Process for the manufacturing of oxo compounds
US4136119A (en) * 1977-12-30 1979-01-23 The Coca-Cola Company M-menthenone and process for its production
US4434301A (en) 1982-08-25 1984-02-28 Union Carbide Corporation Production of low color refined isophorone
CH659258A5 (fr) * 1984-03-20 1987-01-15 Egatec S A Appareil de galvanoplastie.
DE3735211A1 (de) * 1987-10-17 1989-04-27 Huels Chemische Werke Ag Verfahren zur herstellung von beta-isophoron aus alpha-isophoron
JP2716520B2 (ja) * 1989-04-28 1998-02-18 三井東圧化学株式会社 １．２ジクロルエタン中のクロロプレンの除去方法
US5276197A (en) * 1990-11-30 1994-01-04 Hoffman-La Roche Inc. Process for manufacture of beta-isophorone
DE19821379A1 (de) 1998-05-13 1999-11-18 Degussa Verbessertes Verfahren zur Herstellung von 3,5,5-Trimethylcyclohexa-3-en-1-on(beta-Isophoron durch Isomerisierung von 3,5,5-Trimethylcyclohexa-2-en-1-on(alpha-Isophoron)(II)
DE102010030995A1 (de) * 2010-07-06 2012-01-12 Evonik Degussa Gmbh Verwendung von beta-Isophoron als Lösemittel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2560361A (en) * 1946-06-01 1951-07-10 Standard Oil Dev Co Production of 3, 3, 5-trimethyl cyclohexanone
NL76655C (fr) * 1949-05-06
US2971036A (en) * 1958-09-17 1961-02-07 Exxon Research Engineering Co Recovery of isoprene by fractionation and extractive distillation
NL272258A (fr) * 1960-12-23
DE1205525B (de) * 1960-12-23 1965-11-25 Bergwerksgesellschaft Hibernia Verfahren zur Aufarbeitung von Nebenprodukten der Isophoronherstellung
NL125824C (fr) * 1960-12-31

Also Published As

Publication number Publication date
US3397120A (en) 1968-08-13
DE1643962B2 (de) 1976-08-26
DE1643962A1 (de) 1971-07-15
GB1168009A (en) 1969-10-22

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Legal Events

Date Code Title Description
ST Notification of lapse