DE3678815D1 - Rekristallisation von bisphenol-a durch azeotroptrocknung des loesungsmittels. - Google Patents

Rekristallisation von bisphenol-a durch azeotroptrocknung des loesungsmittels.

Info

Publication number: DE3678815D1
Authority: DE; Germany
Prior art keywords: azeotroprodying; recristallization; bisphenol; solvent; solvent azeotroprodying
Prior art date: 1985-12-30
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 - Fee Related

Application number

DE8686117676T

Other languages

English (en)

Inventor

Douglas James Little

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.)

Dow Chemical Co

Original Assignee

Dow Chemical 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.)

1985-12-30

Filing date

1986-12-18

Publication date

1991-05-23

1986-12-18 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1991-05-23 Application granted granted Critical

1991-05-23 Publication of DE3678815D1 publication Critical patent/DE3678815D1/de

2006-12-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C39/00—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring
- C07C39/12—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings
- C07C39/15—Compounds having at least one hydroxy or O-metal group bound to a carbon atom of a six-membered aromatic ring polycyclic with no unsaturation outside the aromatic rings with all hydroxy groups on non-condensed rings, e.g. phenylphenol
- C07C39/16—Bis-(hydroxyphenyl) alkanes; Tris-(hydroxyphenyl)alkanes
- 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)

DE8686117676T 1985-12-30 1986-12-18 Rekristallisation von bisphenol-a durch azeotroptrocknung des loesungsmittels. Expired - Fee Related DE3678815D1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/814,814 US4638102A (en)	1985-12-30	1985-12-30	Recrystallization of bisphenol A by azeotropically drying the solvent

Publications (1)

Publication Number	Publication Date
DE3678815D1 true DE3678815D1 (de)	1991-05-23

Family

ID=25216067

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8686117676T Expired - Fee Related DE3678815D1 (de)	1985-12-30	1986-12-18	Rekristallisation von bisphenol-a durch azeotroptrocknung des loesungsmittels.

Country Status (9)

Country	Link
US (1)	US4638102A (de)
EP (1)	EP0229357B1 (de)
JP (1)	JP2515765B2 (de)
KR (1)	KR950003116B1 (de)
AU (1)	AU593018B2 (de)
BR (1)	BR8606002A (de)
CA (1)	CA1250002A (de)
DE (1)	DE3678815D1 (de)
ES (1)	ES2021585B3 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4740635A (en) *	1986-10-20	1988-04-26	General Electric Company	Process for crystallizing bisphenol-A
US4740634A (en) *	1986-10-20	1988-04-26	General Electric Company	Process for crystallizing bisphenol-A
US4927978A (en) *	1988-12-16	1990-05-22	Shell Oil Company	Method of purifying bisphenols
WO1992000943A1 (de) *	1990-07-05	1992-01-23	Mannesmann Ag	Verfahren zur reinigung von bisphenol-a
JP3973239B2 (ja) *	1995-04-06	2007-09-12	日本ジーイープラスチックス株式会社	ジヒドロキシ化合物混合物および重合体
US5874644A (en) *	1996-04-12	1999-02-23	Gammill; Ben	Method and system for bisphenol a production using controlled turbulence
US5959158A (en) *	1996-04-12	1999-09-28	Gammill; Ben	Method and system for bisphenol a production using water
US6703530B2 (en)	2002-02-28	2004-03-09	General Electric Company	Chemical reactor system and process
US20050075520A1 (en) *	2002-03-13	2005-04-07	O'young Drow Lionel	System and method of producing bisphenol-A (BPA) using two stage crystallization
US6960697B2 (en) *	2002-03-13	2005-11-01	Mitsubishi Chemical Corporation	System and method of producing bisphenol-A (BPA)
JP4575082B2 (ja) *	2004-08-12	2010-11-04	帝人化成株式会社	廃芳香族ポリカーボネートから芳香族ジヒドロキシ化合物を得る方法
DE102007001427A1 (de) *	2007-01-09	2008-07-10	Bayer Materialscience Ag	Kristallisationsverfahren zur Herstellung von Bisphenol A

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2791616A (en) *	1953-09-29	1957-05-07	Shell Dev	Production of bis hydroxyaryl substituted compounds
US3207795A (en) *	1962-03-02	1965-09-21	Hooker Chemical Corp	Production and purification of diphenylolalkanes
US3326986A (en) *	1965-01-22	1967-06-20	Dow Chemical Co	Process for purifying 4, 4'-isopropylidenediphenol
US3673262A (en) *	1968-12-20	1972-06-27	Hooker Chemical Corp	Crystallization of diphenylol alkanes
AU489747B2 (en) *	1973-12-17	1976-06-17	Monsanto Australia Limited	Production of bis (hydroxyphenyl) alkanes
GB1410750A (en) *	1974-05-13	1975-10-22	Combinaturl Petrochemic Borzes	Process for bisphenol production
US4242527A (en) *	1977-12-28	1980-12-30	General Electric Company	Process for purifying crude diphenols
US4156098A (en) *	1978-05-30	1979-05-22	General Electric Company	Purification of bisphenol-A
US4294993A (en) *	1980-04-14	1981-10-13	General Electric Company	Purification of bisphenol-A
US4354046A (en) *	1981-05-26	1982-10-12	The Dow Chemical Company	Process for obtaining high purity bisphenol A

1985
- 1985-12-30 US US06/814,814 patent/US4638102A/en not_active Expired - Lifetime
1986
- 1986-09-17 CA CA000518340A patent/CA1250002A/en not_active Expired
- 1986-09-17 AU AU62983/86A patent/AU593018B2/en not_active Ceased
- 1986-11-18 BR BR8606002A patent/BR8606002A/pt unknown
- 1986-12-01 JP JP61284439A patent/JP2515765B2/ja not_active Expired - Lifetime
- 1986-12-18 ES ES86117676T patent/ES2021585B3/es not_active Expired - Lifetime
- 1986-12-18 EP EP86117676A patent/EP0229357B1/de not_active Expired - Lifetime
- 1986-12-18 DE DE8686117676T patent/DE3678815D1/de not_active Expired - Fee Related
- 1986-12-29 KR KR1019860011432A patent/KR950003116B1/ko not_active IP Right Cessation

Also Published As

Publication number	Publication date
ES2021585B3 (es)	1991-11-16
AU593018B2 (en)	1990-02-01
AU6298386A (en)	1987-07-02
EP0229357B1 (de)	1991-04-17
KR870005949A (ko)	1987-07-08
CA1250002A (en)	1989-02-14
US4638102A (en)	1987-01-20
EP0229357A1 (de)	1987-07-22
KR950003116B1 (ko)	1995-04-01
BR8606002A (pt)	1987-09-15
JPS62158233A (ja)	1987-07-14
JP2515765B2 (ja)	1996-07-10

Publication	Publication Date	Title
DE3685384D1 (de)	1992-06-25	Vorbereitung von emulsionen.
DE3773964D1 (de)	1991-11-28	Nachweis von magnetischen unstetigkeiten.
NO863083D0 (no)	1986-07-30	Nye (4-substituerte-piperazinyl)pyridaziner.
FI864302A (fi)	1987-04-25	Foerfarande foer rening av avfallsgaser.
DE3583359D1 (de)	1991-08-08	Trennung von partikeln.
DE3673288D1 (de)	1990-09-13	Kontrolle virusbezogener ereignisse durch ds-rna.
DE3678659D1 (de)	1991-05-16	Verminderung von dysfunktion in der angioplastik.
DE3689555D1 (de)	1994-03-03	Herstellung von aliphatischen Polyaminen.
DK333083A (da)	1984-01-21	2-aza-bicyclo(2.2.2)octan-3-carboxylsyrederivater, deres fremstilling og anvendelse samt ved fremstillingen anvendelige mellemprodukter og disses fremstilling
NO863942D0 (no)	1986-10-03	Aminosalter av lignosulfonater.
FI863042L (fi)	1987-01-27	Foerfarande foer rening av klorvaetegas.
DE3678815D1 (de)	1991-05-23	Rekristallisation von bisphenol-a durch azeotroptrocknung des loesungsmittels.
FI863517A0 (fi)	1986-09-01	Stabilisering.
ATE112172T1 (de)	1994-10-15	Targetformer von antitumor-methyltrithioagenzien.
FI861367L (fi)	1986-09-30	Anordning foer rening av pappersmassa.
DE3675357D1 (de)	1990-12-06	Herstellung von ascorbinsaeure aus 2-keto-l-glukonsaeure.
DE3875657D1 (de)	1992-12-10	Herstellung von 4-pentennitril durch isomerisierung.
DE3576680D1 (de)	1990-04-26	Rueckgewinnung von metallen.
FI862957L (fi)	1987-01-18	Biocid blandning.
FI853938A0 (fi)	1985-10-10	Anordning foer profilmaetning av raelshjul.
FI862023A0 (fi)	1986-05-14	Kontrollanordning i malmaskin.
FI864412A0 (fi)	1986-10-29	Foerfarande foer rening av proteiner.
DE3688407D1 (de)	1993-06-17	Covulkanisierbare zusammensetzungen von fluorelastomeren.
DE3650007D1 (de)	1994-09-08	Herstellung von Maleimid.
DE3669550D1 (de)	1990-04-19	Stabilisierung von pechfasern.

Legal Events

Date	Code	Title	Description
1992-05-14	8364	No opposition during term of opposition
1999-01-14	8339	Ceased/non-payment of the annual fee