JPS55500397A - - Google Patents
Info
- Publication number
- JPS55500397A JPS55500397A JP50106279A JP50106279A JPS55500397A JP S55500397 A JPS55500397 A JP S55500397A JP 50106279 A JP50106279 A JP 50106279A JP 50106279 A JP50106279 A JP 50106279A JP S55500397 A JPS55500397 A JP S55500397A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/919,667 US4212997A (en) | 1978-06-27 | 1978-06-27 | Process for recovering 2,2-bis(4-hydroxyphenyl)propane from an adduct of 2,2-bis(4-hydroxyphenyl)propane and phenol |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS55500397A true JPS55500397A (en, 2012) | 1980-07-03 |
| JPS6340775B2 JPS6340775B2 (en, 2012) | 1988-08-12 |
Family
ID=25442442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP54501062A Expired JPS6340775B2 (en, 2012) | 1978-06-27 | 1979-06-19 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4212997A (en, 2012) |
| EP (1) | EP0016077A1 (en, 2012) |
| JP (1) | JPS6340775B2 (en, 2012) |
| WO (1) | WO1980000150A1 (en, 2012) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05294871A (ja) * | 1992-04-14 | 1993-11-09 | Nippon Steel Chem Co Ltd | ビスフェノールａの製造方法 |
| JP2006022029A (ja) * | 2004-07-07 | 2006-01-26 | Teijin Chem Ltd | 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 |
| JP2006045129A (ja) * | 2004-08-05 | 2006-02-16 | Teijin Chem Ltd | 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 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4294993A (en) * | 1980-04-14 | 1981-10-13 | General Electric Company | Purification of bisphenol-A |
| US4461915A (en) * | 1982-11-15 | 1984-07-24 | General Electric Company | Purification of bisphenol-A |
| US4447655A (en) * | 1982-11-24 | 1984-05-08 | General Electric Company | Purification of bisphenol-A |
| US4533764A (en) * | 1984-03-29 | 1985-08-06 | The Dow Chemical Company | Purification of bisphenols by removing residual solvent |
| US4529823A (en) * | 1984-04-02 | 1985-07-16 | General Electric Company | Purification of bisphenol-A |
| US4740634A (en) * | 1986-10-20 | 1988-04-26 | General Electric Company | Process for crystallizing bisphenol-A |
| US4740635A (en) * | 1986-10-20 | 1988-04-26 | General Electric Company | Process for crystallizing bisphenol-A |
| US4861919A (en) * | 1988-02-29 | 1989-08-29 | The Dow Chemical Company | Countercurrent multi-stage water crystallization of aromatic compounds |
| US5243093A (en) * | 1990-09-07 | 1993-09-07 | General Electric Company | Process and composition |
| DE4105428A1 (de) * | 1991-02-21 | 1992-08-27 | Bayer Ag | Verfahren zur reinigung von bisphenolen |
| EP0720976B2 (en) * | 1994-12-09 | 2005-05-18 | The Dow Chemical Company | Process for preparing an adduct of a bisphenol with a phenolic compound |
| DE19961521A1 (de) * | 1999-12-20 | 2001-06-21 | Bayer Ag | Bisphenol-Phenol-Addukte |
| US6703530B2 (en) | 2002-02-28 | 2004-03-09 | General Electric Company | Chemical reactor system and process |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2959622A (en) * | 1960-11-08 | Purification of crude jj-p-bis- | ||
| US3111544A (en) * | 1963-11-19 | Purification of p | ||
| US3162690A (en) * | 1960-12-28 | 1964-12-22 | Teerverwertung Gmbh | Method of purifying crude p, p'-isopropylidene diphenol |
| US2791616A (en) * | 1953-09-29 | 1957-05-07 | Shell Dev | Production of bis hydroxyaryl substituted compounds |
| DE971013C (de) | 1954-11-12 | 1958-11-27 | Albert Ag Chem Werke | Verfahren zur Herstellung von reinem p, p'-Dioxydiphenyldimethylmethan |
| US2845464A (en) * | 1954-11-15 | 1958-07-29 | Shell Dev | Purification of bis (hydroxyaryl)-substituted compounds |
| ES252134A1 (es) | 1958-09-29 | 1960-06-16 | Kunoshima Kagaku Kogyo Kabushi | Un procedimiento para obtener policarbonatos |
| US3073868A (en) * | 1959-02-05 | 1963-01-15 | Hooker Chemical Corp | Production and purification of diphenylolalkanes |
| FR1240154A (fr) * | 1959-02-05 | 1960-09-02 | Hooker Chemical Corp | Préparation et purification de diphénylolalcanes |
| GB946322A (en) * | 1960-02-12 | 1964-01-08 | Konink Zwavelzuurfabrieken V H | Process for purifying 4,4 dihydroxydiphenylpropane 2,2 |
| GB902350A (en) | 1960-09-13 | 1962-08-01 | Leuna Werke Veb | Process for the manufacture of pure 4,4-dihydroxy-diphenyl-dimethyl-methane |
| US3277183A (en) * | 1960-12-12 | 1966-10-04 | Bayer Ag | Process for the purification of bisphenolic compounds |
| NL301690A (en, 2012) * | 1962-12-31 | |||
| US3359281A (en) * | 1964-12-04 | 1967-12-19 | Hooker Chemical Corp | Separation and isolation of 2, 2, (2, 4'-dihydroxydiphenyl) propane and 2, 2, 4-trimethyl 4(4'-hydroxyphenyl) chroman from mixtures containing the same |
| US3326986A (en) * | 1965-01-22 | 1967-06-20 | Dow Chemical Co | Process for purifying 4, 4'-isopropylidenediphenol |
| AT259547B (de) * | 1965-06-11 | 1968-01-25 | Bayer Ag | Verfahren zur Gewinnung besonders reinen 2,2-Bis-(phenylol)-propans |
| GB1149322A (en) * | 1967-04-18 | 1969-04-23 | Dow Chemical Co | An improved process for purifying 4,4'-isopropylidenediphenol |
| FR1580676A (en, 2012) | 1968-09-13 | 1969-09-05 | ||
| US3627846A (en) * | 1968-10-16 | 1971-12-14 | Bayer Ag | Process for obtaining particularly pure 2,2-bis-(phenylol)-propane |
| US3673262A (en) * | 1968-12-20 | 1972-06-27 | Hooker Chemical Corp | Crystallization of diphenylol alkanes |
| JPS4830269B1 (en, 2012) * | 1969-03-22 | 1973-09-18 | ||
| BE759937A (en, 2012) * | 1969-12-15 | 1971-06-07 | Shell Int Research | |
| BE763512Q (en, 2012) * | 1971-02-26 | 1971-07-16 | Union Carbide Corp | |
| IT974747B (it) * | 1972-12-22 | 1974-07-10 | Sir Soc Italiana Resine Spa | Procedimento perfezionato per la produzione di 2 2 4 4 dii drossidifenilpropano |
| GB1483190A (en) * | 1973-11-02 | 1977-08-17 | Shell Int Research | Purification of diphenylolpropane |
| NL7410872A (nl) * | 1974-08-14 | 1976-02-17 | Shell Int Research | Werkwijze voor het zuiveren van in polyhydroxy- verbindingen aanwezige ruwe bishydroxyarylver- bindingen. |
| US4156098A (en) * | 1978-05-30 | 1979-05-22 | General Electric Company | Purification of bisphenol-A |
-
1978
- 1978-06-27 US US05/919,667 patent/US4212997A/en not_active Expired - Lifetime
-
1979
- 1979-06-19 JP JP54501062A patent/JPS6340775B2/ja not_active Expired
- 1979-06-19 WO PCT/US1979/000430 patent/WO1980000150A1/en unknown
-
1980
- 1980-02-01 EP EP79900752A patent/EP0016077A1/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05294871A (ja) * | 1992-04-14 | 1993-11-09 | Nippon Steel Chem Co Ltd | ビスフェノールａの製造方法 |
| JP2006022029A (ja) * | 2004-07-07 | 2006-01-26 | Teijin Chem Ltd | 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 |
| JP2006045129A (ja) * | 2004-08-05 | 2006-02-16 | Teijin Chem Ltd | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4212997A (en) | 1980-07-15 |
| EP0016077A4 (en) | 1980-06-12 |
| JPS6340775B2 (en, 2012) | 1988-08-12 |
| WO1980000150A1 (en) | 1980-02-07 |
| EP0016077A1 (en) | 1980-10-01 |