FR2190784A1 - - Google Patents
Info
- Publication number
- FR2190784A1 FR2190784A1 FR7324576A FR7324576A FR2190784A1 FR 2190784 A1 FR2190784 A1 FR 2190784A1 FR 7324576 A FR7324576 A FR 7324576A FR 7324576 A FR7324576 A FR 7324576A FR 2190784 A1 FR2190784 A1 FR 2190784A1
- 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
- C07C37/70—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
-
- 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
- C07C37/84—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (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 |
|---|---|---|---|
| JP6784072A JPS5534778B2 (US07709020-20100504-C00041.png) | 1972-07-05 | 1972-07-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2190784A1 true FR2190784A1 (US07709020-20100504-C00041.png) | 1974-02-01 |
| FR2190784B1 FR2190784B1 (US07709020-20100504-C00041.png) | 1977-02-18 |
Family
ID=13356535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7324576A Expired FR2190784B1 (US07709020-20100504-C00041.png) | 1972-07-05 | 1973-07-04 |
Country Status (7)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2430927A1 (fr) * | 1978-07-10 | 1980-02-08 | Mitsui Petrochemical Ind | Purification de resorcinol brut |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5766018A (en) * | 1980-10-08 | 1982-04-22 | Iseki & Co Ltd | Rice-transplanting machine |
| JPH0125534Y2 (US07709020-20100504-C00041.png) * | 1980-11-28 | 1989-07-31 | ||
| JPS6334495Y2 (US07709020-20100504-C00041.png) * | 1981-03-19 | 1988-09-13 | ||
| JPS581213U (ja) * | 1981-06-29 | 1983-01-06 | 株式会社クボタ | 田植機 |
| JPS5983307U (ja) * | 1982-11-29 | 1984-06-05 | 株式会社クボタ | 乗用田植機 |
| US4849549A (en) * | 1987-12-22 | 1989-07-18 | Indspec Chemical Corporation | Process for preparation of resorcinol |
| FR2788763B1 (fr) * | 1999-01-25 | 2001-04-13 | Rhodia Chimie Sa | Procede et installation de separation et purification des diphenols dans l'industrie du phenol et de ses derives |
| FR2903100B1 (fr) * | 2006-06-29 | 2012-08-03 | Rhodia Recherches & Tech | Procede de preparation d'hydroquinone purifiee |
| CN107614473A (zh) * | 2015-05-27 | 2018-01-19 | 三菱瓦斯化学株式会社 | 羟基取代芳香族化合物的制造方法 |
| JP7249733B2 (ja) * | 2015-05-27 | 2023-03-31 | 三菱瓦斯化学株式会社 | ヒドロキシ置換芳香族化合物の製造方法及び梱包方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2736753A (en) * | 1952-09-10 | 1956-02-28 | Hercules Powder Co Ltd | Recovery of phenols |
| US2748172A (en) * | 1952-09-18 | 1956-05-29 | Eastman Kodak Co | Preparation of hydroquinone |
-
1972
- 1972-07-05 JP JP6784072A patent/JPS5534778B2/ja not_active Expired
-
1973
- 1973-07-02 US US05/375,920 patent/US3969420A/en not_active Expired - Lifetime
- 1973-07-03 IT IT51214/73A patent/IT994084B/it active
- 1973-07-04 GB GB3187073A patent/GB1430221A/en not_active Expired
- 1973-07-04 DE DE2334098A patent/DE2334098C3/de not_active Expired
- 1973-07-04 CA CA175,584A patent/CA998404A/en not_active Expired
- 1973-07-04 FR FR7324576A patent/FR2190784B1/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2430927A1 (fr) * | 1978-07-10 | 1980-02-08 | Mitsui Petrochemical Ind | Purification de resorcinol brut |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2334098C3 (de) | 1975-09-04 |
| IT994084B (it) | 1975-10-20 |
| CA998404A (en) | 1976-10-12 |
| JPS4926239A (US07709020-20100504-C00041.png) | 1974-03-08 |
| US3969420A (en) | 1976-07-13 |
| GB1430221A (en) | 1976-03-31 |
| JPS5534778B2 (US07709020-20100504-C00041.png) | 1980-09-09 |
| FR2190784B1 (US07709020-20100504-C00041.png) | 1977-02-18 |
| DE2334098A1 (de) | 1974-01-31 |
| DE2334098B2 (de) | 1975-01-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |