FR2206302A1 - - Google Patents
Info
- Publication number
- FR2206302A1 FR2206302A1 FR7340524A FR7340524A FR2206302A1 FR 2206302 A1 FR2206302 A1 FR 2206302A1 FR 7340524 A FR7340524 A FR 7340524A FR 7340524 A FR7340524 A FR 7340524A FR 2206302 A1 FR2206302 A1 FR 2206302A1
- Authority
- FR
- France
- 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
- C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
-
- 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
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/04—Aromatic polycarbonates
- C08G64/06—Aromatic polycarbonates not containing aliphatic unsaturation
- C08G64/08—Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen
- C08G64/10—Aromatic polycarbonates not containing aliphatic unsaturation containing atoms other than carbon, hydrogen or oxygen containing halogens
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2255638A DE2255638C3 (de) | 1972-11-14 | 1972-11-14 | Verfahren zur Reinigung von 2,2-Bis-(4-hydroxy-3,5-dichlor-phenyl)-propan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2206302A1 true FR2206302A1 (US20090163788A1-20090625-C00002.png) | 1974-06-07 |
| FR2206302B1 FR2206302B1 (US20090163788A1-20090625-C00002.png) | 1979-04-13 |
Family
ID=5861629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7340524A Expired FR2206302B1 (US20090163788A1-20090625-C00002.png) | 1972-11-14 | 1973-11-14 |
Country Status (6)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6380348B1 (en) * | 1998-07-07 | 2002-04-30 | Atofina Chemicals, Inc. | Polyester polycondensation with lithium titanyl oxalate catalyst |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2021931A1 (en) * | 1968-10-30 | 1970-07-24 | Dynamit Nobel Ag | Preparation and purification of di- and tetra-chloro - diane |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL6916300A (US20090163788A1-20090625-C00002.png) * | 1968-10-30 | 1970-05-04 | ||
| US3850994A (en) * | 1969-09-15 | 1974-11-26 | Dynamit Nobel Ag | Process for the preparation of 2,2-bis-(4-hydroxy-3,5-dichlorophenyl)-propane and 2,2-bis-(4-hydroxy-3-chlorophenyl)-propane |
-
1972
- 1972-11-14 DE DE2255638A patent/DE2255638C3/de not_active Expired
-
1973
- 1973-11-09 GB GB5213273A patent/GB1418818A/en not_active Expired
- 1973-11-12 JP JP12636873A patent/JPS5652887B2/ja not_active Expired
- 1973-11-12 NL NL7315462A patent/NL7315462A/xx not_active Application Discontinuation
- 1973-11-14 US US05/415,830 patent/US3957886A/en not_active Expired - Lifetime
- 1973-11-14 FR FR7340524A patent/FR2206302B1/fr not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2021931A1 (en) * | 1968-10-30 | 1970-07-24 | Dynamit Nobel Ag | Preparation and purification of di- and tetra-chloro - diane |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1418818A (en) | 1975-12-24 |
| FR2206302B1 (US20090163788A1-20090625-C00002.png) | 1979-04-13 |
| DE2255638C3 (de) | 1980-09-11 |
| US3957886A (en) | 1976-05-18 |
| NL7315462A (US20090163788A1-20090625-C00002.png) | 1974-05-16 |
| DE2255638A1 (de) | 1974-05-16 |
| JPS49124054A (US20090163788A1-20090625-C00002.png) | 1974-11-27 |
| DE2255638B2 (de) | 1980-01-17 |
| JPS5652887B2 (US20090163788A1-20090625-C00002.png) | 1981-12-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |