BR9006953A - PROCESS FOR THE PREPARATION OF BISPHENOLS - Google Patents
PROCESS FOR THE PREPARATION OF BISPHENOLSInfo
- Publication number
- BR9006953A BR9006953A BR909006953A BR9006953A BR9006953A BR 9006953 A BR9006953 A BR 9006953A BR 909006953 A BR909006953 A BR 909006953A BR 9006953 A BR9006953 A BR 9006953A BR 9006953 A BR9006953 A BR 9006953A
- Authority
- BR
- Brazil
- Prior art keywords
- bisphenols
- preparation
- 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
- C07C37/68—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
- C07C37/74—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
- C07C37/70—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
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH376989 | 1989-10-17 | ||
| PCT/CH1990/000241 WO1991005755A1 (en) | 1989-10-17 | 1990-10-15 | Process for manufacturing bisphenols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BR9006953A true BR9006953A (en) | 1991-11-12 |
Family
ID=4263093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BR909006953A BR9006953A (en) | 1989-10-17 | 1990-10-15 | PROCESS FOR THE PREPARATION OF BISPHENOLS |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0450009A1 (en) |
| JP (1) | JPH04503817A (en) |
| AU (1) | AU6500590A (en) |
| BR (1) | BR9006953A (en) |
| CA (1) | CA2044247A1 (en) |
| WO (1) | WO1991005755A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5723689A (en) * | 1996-01-16 | 1998-03-03 | General Electric Company | Process for recovering bisphenols |
| AU3575700A (en) * | 1999-03-22 | 2000-10-09 | Purac Biochem B.V. | Method of industrial-scale purification of lactic acid |
| JP4419492B2 (en) * | 2002-10-28 | 2010-02-24 | 三菱化学株式会社 | Improved continuous crystallization method |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB739907A (en) * | 1952-09-10 | 1955-11-02 | Distillers Co Yeast Ltd | Recovery of phenols |
| GB743740A (en) * | 1953-07-04 | 1956-01-25 | Distillers Co Yeast Ltd | Recovery of phenols |
| US4167456A (en) * | 1978-10-06 | 1979-09-11 | Phillips Petroleum Co. | Extractive distillation to separate cyclohexylbenzene from phenol-cyclohexanone mixture containing the same |
-
1990
- 1990-10-15 BR BR909006953A patent/BR9006953A/en unknown
- 1990-10-15 EP EP90914671A patent/EP0450009A1/en not_active Withdrawn
- 1990-10-15 WO PCT/CH1990/000241 patent/WO1991005755A1/en not_active Ceased
- 1990-10-15 AU AU65005/90A patent/AU6500590A/en not_active Abandoned
- 1990-10-15 JP JP2513528A patent/JPH04503817A/en active Pending
- 1990-10-15 CA CA002044247A patent/CA2044247A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| AU6500590A (en) | 1991-05-16 |
| JPH04503817A (en) | 1992-07-09 |
| EP0450009A1 (en) | 1991-10-09 |
| WO1991005755A1 (en) | 1991-05-02 |
| CA2044247A1 (en) | 1991-04-18 |
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