DE69708707D1 - Verfahren zur Wiedergewinnung von Bisphenolen - Google Patents

Verfahren zur Wiedergewinnung von Bisphenolen

Info

Publication number
DE69708707D1
DE69708707D1 DE69708707T DE69708707T DE69708707D1 DE 69708707 D1 DE69708707 D1 DE 69708707D1 DE 69708707 T DE69708707 T DE 69708707T DE 69708707 T DE69708707 T DE 69708707T DE 69708707 D1 DE69708707 D1 DE 69708707D1
Authority
DE
Germany
Prior art keywords
bisphenols
recovery
Prior art date
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 - Lifetime
Application number
DE69708707T
Other languages
English (en)
Other versions
DE69708707T2 (de
Inventor
Eric James Pressman
Sheldon Jay Shafer
Joseph Richard Wetzel
Martin Herke Oyevaar
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.)
SABIC Global Technologies BV
Original Assignee
General Electric 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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE69708707D1 publication Critical patent/DE69708707D1/de
Publication of DE69708707T2 publication Critical patent/DE69708707T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/685—Processes comprising at least two steps in series
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84—Purification; 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)
DE69708707T 1996-01-16 1997-01-15 Verfahren zur Wiedergewinnung von Bisphenolen Expired - Lifetime DE69708707T2 (de)

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 (2)

Publication Number Publication Date
DE69708707D1 true DE69708707D1 (de) 2002-01-17
DE69708707T2 DE69708707T2 (de) 2002-08-14

Family

ID=24348143

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69708707T Expired - Lifetime DE69708707T2 (de) 1996-01-16 1997-01-15 Verfahren zur Wiedergewinnung von Bisphenolen

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
DE19954787A1 (de) 1999-11-15 2001-05-17 Bayer Ag Verfahren zur Herstellung von Polycarbonat
DE19954786A1 (de) 1999-11-15 2001-05-17 Bayer Ag Schmelzkristallisation
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
BR9006953A (pt) * 1989-10-17 1991-11-12 Owafin Ag Processo para a preparacao de bisfenois
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
DE69708707T2 (de) 2002-08-14
JPH09295953A (ja) 1997-11-18
EP0785181B1 (de) 2001-12-05
EP0785181A3 (de) 1997-12-10
US5723689A (en) 1998-03-03
JP4005656B2 (ja) 2007-11-07
EP0785181A2 (de) 1997-07-23
SG54370A1 (en) 1998-11-16
ES2164987T3 (es) 2002-03-01

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SABIC INNOVATIVE PLASTICS IP B.V., BERGEN OP Z, NL

8328 Change in the person/name/address of the agent

Representative=s name: PATENT- UND RECHTSANWAELTE BARDEHLE, PAGENBERG, DO