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BR9006953A - PROCESS FOR THE PREPARATION OF BISPHENOLS - Google Patents

PROCESS FOR THE PREPARATION OF BISPHENOLS

Info

Publication number
BR9006953A
BR9006953A BR909006953A BR9006953A BR9006953A BR 9006953 A BR9006953 A BR 9006953A BR 909006953 A BR909006953 A BR 909006953A BR 9006953 A BR9006953 A BR 9006953A BR 9006953 A BR9006953 A BR 9006953A
Authority
BR
Brazil
Prior art keywords
bisphenols
preparation
Prior art date
Application number
BR909006953A
Other languages
Portuguese (pt)
Inventor
Efim Biller
Original Assignee
Owafin Ag
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 Owafin Ag filed Critical Owafin Ag
Publication of BR9006953A publication Critical patent/BR9006953A/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/685Processes comprising at least two steps in series
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/74Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00Systems containing only non-condensed rings
    • C07C2601/12Systems containing only non-condensed rings with a six-membered ring
    • C07C2601/14The ring being saturated

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR909006953A 1989-10-17 1990-10-15 PROCESS FOR THE PREPARATION OF BISPHENOLS BR9006953A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH376989 1989-10-17
PCT/CH1990/000241 WO1991005755A1 (en) 1989-10-17 1990-10-15 Process for manufacturing bisphenols

Publications (1)

Publication Number Publication Date
BR9006953A true BR9006953A (en) 1991-11-12

Family

ID=4263093

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909006953A BR9006953A (en) 1989-10-17 1990-10-15 PROCESS FOR THE PREPARATION OF BISPHENOLS

Country Status (6)

Country Link
EP (1) EP0450009A1 (en)
JP (1) JPH04503817A (en)
AU (1) AU6500590A (en)
BR (1) BR9006953A (en)
CA (1) CA2044247A1 (en)
WO (1) WO1991005755A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5723689A (en) * 1996-01-16 1998-03-03 General Electric Company Process for recovering bisphenols
AU3575700A (en) * 1999-03-22 2000-10-09 Purac Biochem B.V. Method of industrial-scale purification of lactic acid
JP4419492B2 (en) * 2002-10-28 2010-02-24 三菱化学株式会社 Improved continuous crystallization method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB739907A (en) * 1952-09-10 1955-11-02 Distillers Co Yeast Ltd Recovery of phenols
GB743740A (en) * 1953-07-04 1956-01-25 Distillers Co Yeast Ltd Recovery of phenols
US4167456A (en) * 1978-10-06 1979-09-11 Phillips Petroleum Co. Extractive distillation to separate cyclohexylbenzene from phenol-cyclohexanone mixture containing the same

Also Published As

Publication number Publication date
AU6500590A (en) 1991-05-16
JPH04503817A (en) 1992-07-09
EP0450009A1 (en) 1991-10-09
WO1991005755A1 (en) 1991-05-02
CA2044247A1 (en) 1991-04-18

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