BE678415A - - Google Patents
Info
- Publication number
- BE678415A BE678415A BE678415DA BE678415A BE 678415 A BE678415 A BE 678415A BE 678415D A BE678415D A BE 678415DA BE 678415 A BE678415 A BE 678415A
- Authority
- BE
- Belgium
- Prior art keywords
- propane
- product
- sep
- resinous
- dihydroxydiphenyl
- Prior art date
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
- C07C37/11—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms
- C07C37/20—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring by reactions increasing the number of carbon atoms using aldehydes or ketones
-
- 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
-
- 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
- C07C37/72—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by liquid-liquid treatment
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR75086356 | 1963-12-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE678415A true BE678415A (de) | 1966-09-01 |
Family
ID=8622051
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE678415D BE678415A (de) | 1963-12-31 | 1966-03-24 |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE678415A (de) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0758637A1 (de) * | 1995-08-14 | 1997-02-19 | Bayer Ag | Verfahren zur Reinigung von Bisphenol-A |
WO1998052897A1 (de) * | 1997-05-16 | 1998-11-26 | Bayer Aktiengesellschaft | Verfahren zur aufarbeitung von mutterlaugen aus der bisphenolherstellung |
WO2006039088A1 (en) * | 2004-09-29 | 2006-04-13 | General Electric Company | Methods for purifying p,p-bisphenol-a |
-
1966
- 1966-03-24 BE BE678415D patent/BE678415A/fr unknown
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0758637A1 (de) * | 1995-08-14 | 1997-02-19 | Bayer Ag | Verfahren zur Reinigung von Bisphenol-A |
US5785823A (en) * | 1995-08-14 | 1998-07-28 | Bayer Ag Konzernverwaltung Rp | Process for the purification of bisphenol |
WO1998052897A1 (de) * | 1997-05-16 | 1998-11-26 | Bayer Aktiengesellschaft | Verfahren zur aufarbeitung von mutterlaugen aus der bisphenolherstellung |
WO2006039088A1 (en) * | 2004-09-29 | 2006-04-13 | General Electric Company | Methods for purifying p,p-bisphenol-a |
US7371902B2 (en) | 2004-09-29 | 2008-05-13 | General Electric Company | Methods for purifying p,p-bisphenol-A |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US3073868A (en) | Production and purification of diphenylolalkanes | |
EP0461096B1 (de) | Verfahren zur Herstellung von N-Phenylmaleinimid | |
US3290390A (en) | Production of bisphenol from resinous by-products | |
US3290391A (en) | Production and purification of a diphenylolpropane | |
FR2467185A1 (fr) | Procedes de separation et de purification du resorcinol et de l'hydroquinone | |
KR101269493B1 (ko) | 메틸 메타크릴레이트 정제시 생성되는 스트림으로부터 유용한 화합물을 회수하는 방법 | |
JP2515765B2 (ja) | ビスフエノ−ルAのo,p▲’▼−異性体の分離方法 | |
US2134531A (en) | Purification of maleic anhydride | |
EP2225197A1 (de) | Verfahren zur herstellung von gereinigtem pyrocatechol | |
DE69903450T2 (de) | Verfahren zur rückgewinnung von methylacetat und restlicher essigsäure in der herstellung von reiner terephthalsäure | |
BE678415A (de) | ||
JPS5826825A (ja) | メチルナフタレン並びにインド−ルを含むタ−ル塩基の製造方法 | |
FR2669636A1 (fr) | Procede de fabrication de furane 2,5-dicarboxaldehyde. | |
EP0121466B1 (de) | Verfahren für die Dekomposition eines Komplexes von Orthobenzoylbenzoesäure, Wasserstofffluorid und Bortrifluorid | |
US3359281A (en) | Separation and isolation of 2, 2, (2, 4'-dihydroxydiphenyl) propane and 2, 2, 4-trimethyl 4(4'-hydroxyphenyl) chroman from mixtures containing the same | |
FR2505202A1 (fr) | Procede de recuperation de matieres solides dissoutes a partir d'une solution aqueuse les contenant | |
EP0000464B1 (de) | Verfahren zur Reinigung von Mercaptobenzothiazol | |
JPH07258135A (ja) | ジプロピレングリコールt−ブチルエーテルを製造および採取する方法 | |
US4775448A (en) | Isolation process | |
JP3917201B2 (ja) | ビスフェノールaの製造方法 | |
EP0153292A2 (de) | Reinigung von roher Sorbinsäure | |
US3933929A (en) | Process for the purification of p-nitrophenol | |
US4420376A (en) | Separation of resorcinol from non-extractable impurities | |
DE2214225C2 (de) | Verfahren zur Gewinnung von Trimellitsäureanhydrid | |
CH625489A5 (en) | Process for the continuous recovery, purification and concentration of nitric acid present in a residual acidic mixture arising from the manufacture of nitrated derivatives of phenols |