FR2325627A1 - Procede de decoloration d'un courant de recyclage de la liqueur-mere de la fabrication du bisphenol-a - Google Patents
Procede de decoloration d'un courant de recyclage de la liqueur-mere de la fabrication du bisphenol-aInfo
- Publication number
- FR2325627A1 FR2325627A1 FR7628514A FR7628514A FR2325627A1 FR 2325627 A1 FR2325627 A1 FR 2325627A1 FR 7628514 A FR7628514 A FR 7628514A FR 7628514 A FR7628514 A FR 7628514A FR 2325627 A1 FR2325627 A1 FR 2325627A1
- Authority
- FR
- France
- Prior art keywords
- decoloration
- bisphenol
- recycling
- manufacture
- current
- Prior art date
- 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.)
- Withdrawn
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
- C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US61602675A | 1975-09-23 | 1975-09-23 | |
US69672676A | 1976-06-16 | 1976-06-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2325627A1 true FR2325627A1 (fr) | 1977-04-22 |
Family
ID=27087657
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7628514A Withdrawn FR2325627A1 (fr) | 1975-09-23 | 1976-09-22 | Procede de decoloration d'un courant de recyclage de la liqueur-mere de la fabrication du bisphenol-a |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5242861A (fr) |
DE (1) | DE2642596A1 (fr) |
FR (1) | FR2325627A1 (fr) |
GB (1) | GB1565667A (fr) |
IT (1) | IT1071481B (fr) |
NL (1) | NL7610522A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2355558A1 (fr) * | 1976-06-22 | 1978-01-20 | Union Carbide Corp | Procede de regeneration d'une resine acide d'echange de cations |
EP0001863A1 (fr) * | 1977-11-09 | 1979-05-16 | Shell Internationale Researchmaatschappij B.V. | Préparation de bisphénols |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6079907U (ja) * | 1983-11-04 | 1985-06-03 | 株式会社クボタ | 乗用田植機の線引マ−カ構造 |
US4636393A (en) * | 1984-11-28 | 1987-01-13 | Campbell Soup Company | Method of processing meat for inclusion in high acid type foods and product thereof |
JPH01211544A (ja) * | 1988-02-19 | 1989-08-24 | Mitsui Toatsu Chem Inc | ビスフェノールaの製造方法 |
US4954661A (en) * | 1988-03-11 | 1990-09-04 | Mitsui Toatsu Chemicals, Inc. | Process for preparing high-purity bisphenol A |
JPH0365408U (fr) * | 1989-10-30 | 1991-06-26 | ||
EP1149816A4 (fr) * | 1999-12-03 | 2004-04-07 | Mitsui Chemicals Inc | Bisphenol a haute qualite et procede de production correspondant |
US6680270B2 (en) | 2001-04-24 | 2004-01-20 | General Electric Company | Regeneration of catalysts used in the manufacture of bisphenols |
US7696388B2 (en) | 2008-07-09 | 2010-04-13 | Sabic Innovative Plastics Ip B.V. | Process for producing bisphenol-A |
KR102027847B1 (ko) * | 2012-06-28 | 2019-10-04 | 이데미쓰 고산 가부시키가이샤 | 비스페놀 a의 제조 방법 |
EP3571240B1 (fr) | 2017-01-17 | 2023-08-30 | SABIC Global Technologies B.V. | Compositions de polycarbonate de couleur réduite, procédés de fabrication et articles associés |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2222607A1 (de) * | 1972-05-09 | 1973-11-22 | Rheinstahl Ag | Ringwalzwerk |
-
1976
- 1976-09-22 DE DE19762642596 patent/DE2642596A1/de not_active Ceased
- 1976-09-22 GB GB3918676A patent/GB1565667A/en not_active Expired
- 1976-09-22 FR FR7628514A patent/FR2325627A1/fr not_active Withdrawn
- 1976-09-22 IT IT2751276A patent/IT1071481B/it active
- 1976-09-22 NL NL7610522A patent/NL7610522A/xx not_active Application Discontinuation
- 1976-09-22 JP JP11316276A patent/JPS5242861A/ja active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2355558A1 (fr) * | 1976-06-22 | 1978-01-20 | Union Carbide Corp | Procede de regeneration d'une resine acide d'echange de cations |
EP0001863A1 (fr) * | 1977-11-09 | 1979-05-16 | Shell Internationale Researchmaatschappij B.V. | Préparation de bisphénols |
Also Published As
Publication number | Publication date |
---|---|
JPS5242861A (en) | 1977-04-04 |
JPS5534779B2 (fr) | 1980-09-09 |
IT1071481B (it) | 1985-04-10 |
GB1565667A (en) | 1980-04-23 |
NL7610522A (nl) | 1977-03-25 |
DE2642596A1 (de) | 1977-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |