ATE26105T1 - Herstellung von gereinigtem isophoron mit schwacher faerbung. - Google Patents

Herstellung von gereinigtem isophoron mit schwacher faerbung.

Info

Publication number
ATE26105T1
ATE26105T1 AT83108336T AT83108336T ATE26105T1 AT E26105 T1 ATE26105 T1 AT E26105T1 AT 83108336 T AT83108336 T AT 83108336T AT 83108336 T AT83108336 T AT 83108336T AT E26105 T1 ATE26105 T1 AT E26105T1
Authority
AT
Austria
Prior art keywords
production
weak coloring
isophorone
purified
purified isophorone
Prior art date
Application number
AT83108336T
Other languages
English (en)
Inventor
Anthony Joseph Papa
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Application granted granted Critical
Publication of ATE26105T1 publication Critical patent/ATE26105T1/de

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
    • C07C45/79—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
AT83108336T 1982-08-25 1983-08-24 Herstellung von gereinigtem isophoron mit schwacher faerbung. ATE26105T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/411,280 US4434301A (en) 1982-08-25 1982-08-25 Production of low color refined isophorone
EP83108336A EP0101620B1 (de) 1982-08-25 1983-08-24 Herstellung von gereinigtem Isophoron mit schwacher Färbung

Publications (1)

Publication Number Publication Date
ATE26105T1 true ATE26105T1 (de) 1987-04-15

Family

ID=23628304

Family Applications (1)

Application Number Title Priority Date Filing Date
AT83108336T ATE26105T1 (de) 1982-08-25 1983-08-24 Herstellung von gereinigtem isophoron mit schwacher faerbung.

Country Status (6)

Country Link
US (1) US4434301A (de)
EP (1) EP0101620B1 (de)
JP (1) JPS5980626A (de)
AT (1) ATE26105T1 (de)
CA (1) CA1197261A (de)
DE (1) DE3370473D1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5352839A (en) * 1993-09-09 1994-10-04 Aristech Chemical Corporation Isophorone process
GB9715318D0 (en) * 1997-07-22 1997-09-24 Bp Chem Int Ltd Decolourisation process
US5877354A (en) * 1997-12-03 1999-03-02 Aristech Chemical Corporation Process for making isophorone with improved color and color stability

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR955002A (de) * 1950-01-07
US2351352A (en) 1941-07-29 1944-06-13 Shell Dev Separation of by-products from isophorone
US2429484A (en) 1943-09-10 1947-10-21 Shell Dev Purification of ketones and ketols by alkali treatment and distillation
NL272258A (de) 1960-12-23
DE1205525B (de) 1960-12-23 1965-11-25 Bergwerksgesellschaft Hibernia Verfahren zur Aufarbeitung von Nebenprodukten der Isophoronherstellung
NL272976A (de) 1960-12-31
US3276973A (en) 1963-03-01 1966-10-04 Eastman Kodak Co Recovery of ketones from acid solutions by distillation in the presence of an aqueous alkali
US3397120A (en) 1967-01-13 1968-08-13 Exxon Research Engineering Co Purification of dihydroisophorone by plural distillation and isomerization
US3462348A (en) 1968-03-25 1969-08-19 Exxon Research Engineering Co Purification of isophorone by plural stage distillation
US3770829A (en) 1968-09-13 1973-11-06 Exxon Research Engineering Co Dihydroisophorone purification process
GB1498017A (en) 1974-05-15 1978-01-18 Bp Chem Int Ltd Isophorone production using a potassium hydroxide catalys
EP0003922A1 (de) * 1978-02-07 1979-09-05 P C U K Produits Chimiques Ugine Kuhlmann Verfahren zum Erhalten von farblosem und stabilem Isophoron

Also Published As

Publication number Publication date
CA1197261A (en) 1985-11-26
EP0101620A2 (de) 1984-02-29
EP0101620A3 (en) 1985-08-14
US4434301A (en) 1984-02-28
EP0101620B1 (de) 1987-03-25
DE3370473D1 (en) 1987-04-30
JPH0246573B2 (de) 1990-10-16
JPS5980626A (ja) 1984-05-10

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee