FR1580676A - - Google Patents
Info
- Publication number
- FR1580676A FR1580676A FR1580676DA FR1580676A FR 1580676 A FR1580676 A FR 1580676A FR 1580676D A FR1580676D A FR 1580676DA FR 1580676 A FR1580676 A FR 1580676A
- 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.)
- Expired
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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR166085 | 1968-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1580676A true FR1580676A (de) | 1969-09-05 |
Family
ID=8654522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1580676D Expired FR1580676A (de) | 1968-09-13 | 1968-09-13 |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1580676A (de) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212997A (en) | 1978-06-27 | 1980-07-15 | General Electric Company | Process for recovering 2,2-bis(4-hydroxyphenyl)propane from an adduct of 2,2-bis(4-hydroxyphenyl)propane and phenol |
| US4408087A (en) * | 1979-10-29 | 1983-10-04 | General Electric Company | Purification of bisphenol-A |
| US4927973A (en) * | 1988-12-16 | 1990-05-22 | Shell Oil Company | Process for continuous purification of bisphenols |
| US7169702B2 (en) | 2002-04-15 | 2007-01-30 | Solvay Advanced Polymers, L.L.C. | Polysulfone compositions exhibiting very low color and high light transmittance properties and articles made therefrom |
-
1968
- 1968-09-13 FR FR1580676D patent/FR1580676A/fr not_active Expired
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4212997A (en) | 1978-06-27 | 1980-07-15 | General Electric Company | Process for recovering 2,2-bis(4-hydroxyphenyl)propane from an adduct of 2,2-bis(4-hydroxyphenyl)propane and phenol |
| US4408087A (en) * | 1979-10-29 | 1983-10-04 | General Electric Company | Purification of bisphenol-A |
| US4927973A (en) * | 1988-12-16 | 1990-05-22 | Shell Oil Company | Process for continuous purification of bisphenols |
| US7169702B2 (en) | 2002-04-15 | 2007-01-30 | Solvay Advanced Polymers, L.L.C. | Polysulfone compositions exhibiting very low color and high light transmittance properties and articles made therefrom |
| US7662909B2 (en) | 2002-04-15 | 2010-02-16 | Solvay Advanced Polymers, L.L.C. | Polysulfone compositions exhibiting very low color and high light transmittance properties and articles made therefrom |