FR2068757A1 - - Google Patents
Info
- Publication number
- FR2068757A1 FR2068757A1 FR7038246A FR7038246A FR2068757A1 FR 2068757 A1 FR2068757 A1 FR 2068757A1 FR 7038246 A FR7038246 A FR 7038246A FR 7038246 A FR7038246 A FR 7038246A FR 2068757 A1 FR2068757 A1 FR 2068757A1
- 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
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives 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
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US86701169A | 1969-10-16 | 1969-10-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2068757A1 true FR2068757A1 (fr) | 1971-09-03 |
FR2068757B1 FR2068757B1 (fr) | 1973-01-12 |
Family
ID=25348898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR707038246A Expired FR2068757B1 (fr) | 1969-10-16 | 1970-10-16 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3672961A (fr) |
JP (1) | JPS55105629A (fr) |
CA (1) | CA931899A (fr) |
FR (1) | FR2068757B1 (fr) |
GB (1) | GB1284627A (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0004168A1 (fr) * | 1978-03-04 | 1979-09-19 | BP Chemicals Limited | Procédé d'enlèvement de l'hydroxyacétone contenu dans le phénol |
FR2427319A1 (fr) * | 1978-05-30 | 1979-12-28 | Mitsui Petrochemical Ind | Procede pour la preparation du resorcinol |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2612510C3 (de) * | 1976-03-24 | 1978-10-05 | Kraftwerk Union Ag, 4330 Muelheim | Anordnung zur Abwasseraufbereitung |
DE2964960D1 (en) * | 1978-08-18 | 1983-04-07 | Bp Chem Int Ltd | Process for the production of a phenol and a carbonyl compound by the catalysed decomposition of an aromatic hydroperoxide |
JPS55157531A (en) * | 1979-05-25 | 1980-12-08 | Sumitomo Chem Co Ltd | Recovery of acetone |
DE3160695D1 (en) * | 1980-05-27 | 1983-09-01 | Bp Chem Int Ltd | Process for the recovery of pure acetone from cumene hydroperoxide cleavage reaction product |
US4634796A (en) * | 1985-03-25 | 1987-01-06 | Lummus Crest, Inc. | Production of high purity phenol |
US4722769A (en) * | 1986-04-24 | 1988-02-02 | Allied Corporation | Process for recovery of acetone |
US5244545A (en) * | 1991-10-09 | 1993-09-14 | Eastman Kodak Company | Process for removing acetone from carbonylation processes |
US20090288940A1 (en) * | 2008-05-20 | 2009-11-26 | Smith Michael R | Distillation Process |
US20090288939A1 (en) * | 2008-05-20 | 2009-11-26 | Smith Michael R | Distillation Apparatus |
CN109701293B (zh) * | 2019-02-28 | 2021-08-27 | 潍坊惠丰化工有限公司 | 一种溶剂置换缩合塔和生产无水甲醛的方法 |
-
1969
- 1969-10-16 US US867011A patent/US3672961A/en not_active Expired - Lifetime
-
1970
- 1970-09-21 CA CA093593A patent/CA931899A/en not_active Expired
- 1970-09-24 GB GB45659/70A patent/GB1284627A/en not_active Expired
- 1970-10-16 FR FR707038246A patent/FR2068757B1/fr not_active Expired
-
1974
- 1974-09-09 JP JP10375374A patent/JPS55105629A/ja active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0004168A1 (fr) * | 1978-03-04 | 1979-09-19 | BP Chemicals Limited | Procédé d'enlèvement de l'hydroxyacétone contenu dans le phénol |
FR2427319A1 (fr) * | 1978-05-30 | 1979-12-28 | Mitsui Petrochemical Ind | Procede pour la preparation du resorcinol |
Also Published As
Publication number | Publication date |
---|---|
DE2050886A1 (de) | 1971-05-06 |
DE2050886B2 (de) | 1976-09-16 |
CA931899A (en) | 1973-08-14 |
FR2068757B1 (fr) | 1973-01-12 |
GB1284627A (en) | 1972-08-09 |
US3672961A (en) | 1972-06-27 |
JPS55105629A (en) | 1980-08-13 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |