CH553143A - Verfahren zur gewinnung von hochreinem tetrachlorbisphenol a. - Google Patents
Verfahren zur gewinnung von hochreinem tetrachlorbisphenol a.Info
- Publication number
- CH553143A CH553143A CH955471A CH955471A CH553143A CH 553143 A CH553143 A CH 553143A CH 955471 A CH955471 A CH 955471A CH 955471 A CH955471 A CH 955471A CH 553143 A CH553143 A CH 553143A
- Authority
- CH
- Switzerland
- Prior art keywords
- tetrachlorobisphenol
- recovery
- highly pure
- pure
- highly
- Prior art date
Links
- KYPYTERUKNKOLP-UHFFFAOYSA-N Tetrachlorobisphenol A Chemical compound C=1C(Cl)=C(O)C(Cl)=CC=1C(C)(C)C1=CC(Cl)=C(O)C(Cl)=C1 KYPYTERUKNKOLP-UHFFFAOYSA-N 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000011084 recovery Methods 0.000 title 1
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
- C07C39/24—Halogenated derivatives
- C07C39/367—Halogenated derivatives polycyclic non-condensed, containing only six-membered aromatic rings as cyclic parts, e.g. halogenated poly-hydroxyphenylalkanes
-
- 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
-
- 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
- C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (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 |
|---|---|---|---|
| DE2032073A DE2032073C3 (de) | 1970-06-29 | 1970-06-29 | Verfahren zur Gewinnung bzw. Herstellung von reinem Tetrachlorbisphenol A |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH553143A true CH553143A (de) | 1974-08-30 |
Family
ID=5775247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH955471A CH553143A (de) | 1970-06-29 | 1971-06-29 | Verfahren zur gewinnung von hochreinem tetrachlorbisphenol a. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3821294A (de) |
| BE (1) | BE769214A (de) |
| CA (1) | CA935440A (de) |
| CH (1) | CH553143A (de) |
| DE (1) | DE2032073C3 (de) |
| FR (1) | FR2100057A5 (de) |
| GB (1) | GB1314799A (de) |
| NL (1) | NL7108975A (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107443A (en) * | 1976-12-30 | 1978-08-15 | General Electric Company | Process for purifying impure diphenols |
| DE2700829C2 (de) * | 1977-01-11 | 1986-04-17 | Gewerkschaft Eisenhütte Westfalia, 4670 Lünen | Hydraulische Ausbausteuerung |
-
1970
- 1970-06-29 DE DE2032073A patent/DE2032073C3/de not_active Expired
-
1971
- 1971-06-25 CA CA116652A patent/CA935440A/en not_active Expired
- 1971-06-28 US US00157171A patent/US3821294A/en not_active Expired - Lifetime
- 1971-06-28 GB GB3014071A patent/GB1314799A/en not_active Expired
- 1971-06-29 CH CH955471A patent/CH553143A/de not_active IP Right Cessation
- 1971-06-29 FR FR7123786A patent/FR2100057A5/fr not_active Expired
- 1971-06-29 NL NL7108975A patent/NL7108975A/xx not_active Application Discontinuation
- 1971-06-29 BE BE769214A patent/BE769214A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US3821294A (en) | 1974-06-28 |
| DE2032073A1 (de) | 1972-01-05 |
| CA935440A (en) | 1973-10-16 |
| FR2100057A5 (de) | 1972-03-17 |
| BE769214A (fr) | 1971-12-29 |
| NL7108975A (de) | 1971-12-31 |
| DE2032073C3 (de) | 1978-09-21 |
| DE2032073B2 (de) | 1978-01-19 |
| GB1314799A (en) | 1973-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CH558395A (de) | Verfahren zur herstellung von verseifungsbestaendigen polycarbonaten. | |
| AR200235A1 (es) | Proceso de separacion de hidrocarburos | |
| DK131874B (da) | Fremgangsmåde til fremstilling af mutanase. | |
| CH555294A (de) | Verfahren zur gewinnung von wasserstoff. | |
| CH535266A (de) | Verfahren zur Gewinnung von gelöstem Protein | |
| CH555197A (de) | Verfahren zur gewinnung von metallschrott. | |
| CH529094A (de) | Trennverfahren | |
| IT998423B (it) | Processo per l estrazione di polilattami | |
| IT998426B (it) | Processo per l estrazione di polilattami | |
| CH557844A (de) | Verfahren zur herstellung von styrol-acrylnitril-copolymeren. | |
| CH556188A (de) | Verfahren zur chromatographischen trennung von substanzgemischen. | |
| IT1001202B (it) | Processo di recupero | |
| AT313246B (de) | Zyklisches Verfahren zur Rückgewinnung von Diolefinen | |
| CH550133A (de) | Verfahren zur herstellung von 4-methyl-pentanol-2-crotonat. | |
| AT302270B (de) | Verfahren zur Gewinnung von reinem p-Xylol | |
| AT302269B (de) | Verfahren zur Gewinnung von reinem p-Xylol | |
| AT306677B (de) | Verfahren zur Gewinnung von Yttrium | |
| CH553143A (de) | Verfahren zur gewinnung von hochreinem tetrachlorbisphenol a. | |
| CH534927A (de) | Verfahren zur maschinellen Erkennung von Zeichen | |
| AT317443B (de) | Verfahren zur Gewinnung von Hellebrin | |
| CH550214A (de) | Verfahren zur herstellung von cyclocopolymerisaten. | |
| CH549567A (de) | Verfahren zur herstellung von 8-cyano-5-octanolid. | |
| CH547775A (de) | Verfahren zur herstellung von diaethylaminopropionaniliden. | |
| CH557830A (de) | Verfahren zur herstellung von 1-aminosiochinolinen. | |
| CH558800A (de) | Verfahren zur herstellung von chinazolinonen. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |