FR2262014B1 - - Google Patents
Info
- Publication number
- FR2262014B1 FR2262014B1 FR7504290A FR7504290A FR2262014B1 FR 2262014 B1 FR2262014 B1 FR 2262014B1 FR 7504290 A FR7504290 A FR 7504290A FR 7504290 A FR7504290 A FR 7504290A FR 2262014 B1 FR2262014 B1 FR 2262014B1
- 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
- C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic 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 |
---|---|---|---|
US44536374A | 1974-02-25 | 1974-02-25 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2262014A1 FR2262014A1 (fi) | 1975-09-19 |
FR2262014B1 true FR2262014B1 (fi) | 1977-04-15 |
Family
ID=23768618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7504290A Expired FR2262014B1 (fi) | 1974-02-25 | 1975-02-12 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS50117726A (fi) |
BE (1) | BE825586A (fi) |
CA (1) | CA1060050A (fi) |
DE (1) | DE2505271A1 (fi) |
FR (1) | FR2262014B1 (fi) |
GB (1) | GB1464072A (fi) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52232A (en) * | 1975-06-23 | 1977-01-05 | Jo Eguchi | Process for purification of hydroquinone |
JPS525717A (en) * | 1975-06-27 | 1977-01-17 | Jo Eguchi | Process for purification of hydroquinone |
US7521505B2 (en) | 2006-06-12 | 2009-04-21 | Sabic Innovative Plastics Ip B.V. | Method of stabilization of dihydric phenols |
-
1975
- 1975-01-28 CA CA218,859A patent/CA1060050A/en not_active Expired
- 1975-01-31 GB GB429875A patent/GB1464072A/en not_active Expired
- 1975-02-07 DE DE19752505271 patent/DE2505271A1/de active Pending
- 1975-02-12 FR FR7504290A patent/FR2262014B1/fr not_active Expired
- 1975-02-14 BE BE153411A patent/BE825586A/xx unknown
- 1975-02-25 JP JP2338375A patent/JPS50117726A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2505271A1 (de) | 1975-08-28 |
GB1464072A (en) | 1977-02-09 |
CA1060050A (en) | 1979-08-07 |
JPS50117726A (fi) | 1975-09-16 |
BE825586A (fr) | 1975-05-29 |
FR2262014A1 (fi) | 1975-09-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |