SG54370A1 - Process for recovering bisphenols - Google Patents

Process for recovering bisphenols

Info

Publication number
SG54370A1
SG54370A1 SG1996010663A SG1996010663A SG54370A1 SG 54370 A1 SG54370 A1 SG 54370A1 SG 1996010663 A SG1996010663 A SG 1996010663A SG 1996010663 A SG1996010663 A SG 1996010663A SG 54370 A1 SG54370 A1 SG 54370A1
Authority
SG
Singapore
Prior art keywords
bisphenols
recovering
recovering bisphenols
Prior art date
Application number
SG1996010663A
Other languages
English (en)
Inventor
Eric James Pressman
Sheldon Jay Shafer
Joseph Richard Wetzel
Martin Herke Oyevaar
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of SG54370A1 publication Critical patent/SG54370A1/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
    • C07C37/70Purification; 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
    • C07C37/685Processes 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
    • C07C37/84Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
SG1996010663A 1996-01-16 1996-09-20 Process for recovering bisphenols SG54370A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/587,052 US5723689A (en) 1996-01-16 1996-01-16 Process for recovering bisphenols

Publications (1)

Publication Number Publication Date
SG54370A1 true SG54370A1 (en) 1998-11-16

Family

ID=24348143

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996010663A SG54370A1 (en) 1996-01-16 1996-09-20 Process for recovering bisphenols

Country Status (6)

Country Link
US (1) US5723689A (de)
EP (1) EP0785181B1 (de)
JP (1) JP4005656B2 (de)
DE (1) DE69708707T2 (de)
ES (1) ES2164987T3 (de)
SG (1) SG54370A1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5990362A (en) * 1998-08-31 1999-11-23 General Electric Company Method for preparing bisphenol A
JP4447076B2 (ja) * 1999-07-06 2010-04-07 三井化学株式会社 ビスフェノール類の開裂方法
DE19954311A1 (de) 1999-11-11 2001-05-17 Bayer Ag Bisphenol-Herstellung
DE19954786A1 (de) 1999-11-15 2001-05-17 Bayer Ag Schmelzkristallisation
DE19954787A1 (de) 1999-11-15 2001-05-17 Bayer Ag Verfahren zur Herstellung von Polycarbonat
US6406916B1 (en) 2001-01-22 2002-06-18 General Electric Company Method and apparatus for rapid quantitation of a dihydric phenol
US6703530B2 (en) 2002-02-28 2004-03-09 General Electric Company Chemical reactor system and process
US7112702B2 (en) * 2002-12-12 2006-09-26 General Electric Company Process for the synthesis of bisphenol
US6635788B1 (en) 2002-12-20 2003-10-21 General Electric Company Process for manufacture of bisphenols
US6858759B2 (en) * 2002-12-20 2005-02-22 General Electric Company Process for manufacture of bisphenols
US7132575B2 (en) 2003-07-01 2006-11-07 General Electric Company Process for the synthesis of bisphenol
US7371902B2 (en) * 2004-09-29 2008-05-13 General Electric Company Methods for purifying p,p-bisphenol-A

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468982A (en) 1946-10-19 1949-05-03 Goodrich Co B F Preparation of bis-phenols
US3394089A (en) * 1964-12-02 1968-07-23 Dow Chemical Co Ion exchange catalyst for the preparation of bisphenols
AU6500590A (en) * 1989-10-17 1991-05-16 Owafin Ag Process for manufacturing bisphenols
US5243093A (en) * 1990-09-07 1993-09-07 General Electric Company Process and composition
DE4227520A1 (de) * 1992-08-20 1994-02-24 Bayer Ag Verfahren zur Herstellung von Bisphenolen

Also Published As

Publication number Publication date
EP0785181B1 (de) 2001-12-05
JP4005656B2 (ja) 2007-11-07
US5723689A (en) 1998-03-03
ES2164987T3 (es) 2002-03-01
DE69708707T2 (de) 2002-08-14
EP0785181A3 (de) 1997-12-10
DE69708707D1 (de) 2002-01-17
JPH09295953A (ja) 1997-11-18
EP0785181A2 (de) 1997-07-23

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