DE68908801D1 - Verfahren zur Reinigung von Dihydroxyphenolen. - Google Patents

Verfahren zur Reinigung von Dihydroxyphenolen.

Info

Publication number
DE68908801D1
DE68908801D1 DE89111588T DE68908801T DE68908801D1 DE 68908801 D1 DE68908801 D1 DE 68908801D1 DE 89111588 T DE89111588 T DE 89111588T DE 68908801 T DE68908801 T DE 68908801T DE 68908801 D1 DE68908801 D1 DE 68908801D1
Authority
DE
Germany
Prior art keywords
dihydroxyphenols
purification
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
DE89111588T
Other languages
English (en)
Other versions
DE68908801T2 (de
Inventor
Gaylord Michael Kissinger
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 DE68908801D1 publication Critical patent/DE68908801D1/de
Publication of DE68908801T2 publication Critical patent/DE68908801T2/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
    • C07C37/88—Use of additives, e.g. for stabilisation
DE89111588T 1988-07-11 1989-06-26 Verfahren zur Reinigung von Dihydroxyphenolen. Expired - Lifetime DE68908801T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/217,722 US4876395A (en) 1988-07-11 1988-07-11 Process for color stabilization of bisphenol-A

Publications (2)

Publication Number Publication Date
DE68908801D1 true DE68908801D1 (de) 1993-10-07
DE68908801T2 DE68908801T2 (de) 1994-03-03

Family

ID=22812231

Family Applications (1)

Application Number Title Priority Date Filing Date
DE89111588T Expired - Lifetime DE68908801T2 (de) 1988-07-11 1989-06-26 Verfahren zur Reinigung von Dihydroxyphenolen.

Country Status (4)

Country Link
US (1) US4876395A (de)
EP (1) EP0350699B1 (de)
JP (1) JPH075496B2 (de)
DE (1) DE68908801T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5008470A (en) * 1989-11-30 1991-04-16 Shell Oil Company Process for preparing a bisphenol
US5258507A (en) * 1990-11-08 1993-11-02 Amoco Corporation Labeling reagents useful for the chemical attachment of nitrophenyl derivative ligands to DNA probes
US5091591A (en) * 1990-11-13 1992-02-25 General Electric Company Process and composition
US5783733A (en) * 1996-06-13 1998-07-21 General Electric Company Process for manufacture of bisphenol
US5786522A (en) * 1996-09-13 1998-07-28 General Electric Company Manufacture of bisphenol-A
JP3903634B2 (ja) * 1999-03-31 2007-04-11 三菱化学株式会社 ビスフェノールａの製造方法
GB0008392D0 (en) * 2000-04-05 2000-05-24 Unilever Plc Process for the production of a deodorant or antiperspirant product
JPWO2004080593A1 (ja) * 2003-03-10 2006-06-08 財団法人理工学振興会 固体触媒、反応器、およびメタノールの製造方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2806068A (en) * 1957-09-10 Process for the purification of
US2716139A (en) * 1954-07-01 1955-08-23 Dow Chemical Co Compositions of para-bromophenols and method of stabilizing the same
US3779144A (en) * 1972-04-24 1973-12-18 Polaroid Corp Photographic film processing apparatus and camera system employing same
DE2226038C3 (de) * 1972-05-29 1980-09-18 Basf Ag, 6700 Ludwigshafen Verfahren zur Erhöhung der Farbstabilität von durch Alkyl- oder Cycloalkylgruppen mit 8 bis IS Kohlenstoffatomen einfach kernsubstituierten Phenolen
US4156787A (en) * 1977-10-31 1979-05-29 Monsanto Company One-step dehydrohalogenation-rearrangement-hydrogenation of 1,1-bis(4-hydroxyaryl)-2-haloethanes
US4443635A (en) * 1982-12-06 1984-04-17 Shell Oil Company Removal of color bodies in bisphenol production
US4766254A (en) * 1987-10-05 1988-08-23 General Electric Company Method for maximizing yield and purity of bisphenol A

Also Published As

Publication number Publication date
DE68908801T2 (de) 1994-03-03
EP0350699A2 (de) 1990-01-17
US4876395A (en) 1989-10-24
EP0350699B1 (de) 1993-09-01
EP0350699A3 (de) 1991-07-31
JPH0272133A (ja) 1990-03-12
JPH075496B2 (ja) 1995-01-25

Similar Documents

Publication Publication Date Title
DE3886577T3 (de) Verfahren zur Reinigung von tertiären Organophosphiten.
DE69116623D1 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE3888372T2 (de) Verfahren zur Reinigung von Hexamethyldisiloxan.
DE69003423T2 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan.
DE59002817D1 (de) Verfahren zur kontinuierlichen Reinigung von Caprolactam.
DE69004229D1 (de) Verfahren zur Reinigung von 1,1-Dichlor-1-fluorethan.
DE68921655T2 (de) Verfahren zur Herstellung von Mustern.
DE59200262D1 (de) Verfahren zur Reinigung von Bisphenolen.
DE69124638D1 (de) Verfahren zur Reinigung von Alkoxysilanen
DE69016879T2 (de) Verfahren zur Reinigung von N-Phosphonmethylglyzin.
DE59206341D1 (de) Verfahren zur Reinigung von Organopolysiloxanen
DE69209256D1 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE68907326T2 (de) Verfahren zur kontinuierlichen Reinigung von Bisphenolen.
DE68918050T2 (de) Verfahren zur Herstellung von Windschutzscheiben.
DE69304638D1 (de) Verfahren zur Reinigung von 1,1,1,2-Tetrafluorethan
DE68908801D1 (de) Verfahren zur Reinigung von Dihydroxyphenolen.
DE58906122D1 (de) Verfahren zur Herstellung von Phenylethanolen.
DE69009234T2 (de) Verfahren zur Umwandlung von Kohlenwasserstoffen.
DE3871179D1 (de) Verfahren zur destillativen trennung von gemischen.
DE68908274T2 (de) Verfahren zur Reinigung von Salzsäure.
DE59006539D1 (de) Verfahren zur Herstellung von Cytosinen.
DE68916044T2 (de) Verfahren zur Chlordephenylierung von Phenylsilanen.
DE3882561T2 (de) Verfahren zur Reinigung von makrozyklischen Ketonen.
DE59007835D1 (de) Verfahren zur Abtrennung von Aromaten.
DE69205341D1 (de) Verfahren zur Reinigung von Diaminodiphenylverbindungen.

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