CH562182A5 - - Google Patents
Info
- Publication number
- CH562182A5 CH562182A5 CH415172A CH415172A CH562182A5 CH 562182 A5 CH562182 A5 CH 562182A5 CH 415172 A CH415172 A CH 415172A CH 415172 A CH415172 A CH 415172A CH 562182 A5 CH562182 A5 CH 562182A5
- Authority
- CH
- Switzerland
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13371171A | 1971-04-13 | 1971-04-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH562182A5 true CH562182A5 (en:Method) | 1975-05-30 |
Family
ID=22459956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH415172A CH562182A5 (en:Method) | 1971-04-13 | 1972-03-21 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3781372A (en:Method) |
| CA (1) | CA973567A (en:Method) |
| CH (1) | CH562182A5 (en:Method) |
| DE (1) | DE2216882A1 (en:Method) |
| FR (1) | FR2132895B1 (en:Method) |
| GB (1) | GB1344752A (en:Method) |
| IT (1) | IT1048920B (en:Method) |
| NL (1) | NL7204893A (en:Method) |
-
1971
- 1971-04-13 US US00133711A patent/US3781372A/en not_active Expired - Lifetime
-
1972
- 1972-03-21 CA CA137,607A patent/CA973567A/en not_active Expired
- 1972-03-21 CH CH415172A patent/CH562182A5/xx not_active IP Right Cessation
- 1972-03-25 IT IT22404/72A patent/IT1048920B/it active
- 1972-04-07 DE DE19722216882 patent/DE2216882A1/de active Pending
- 1972-04-12 NL NL7204893A patent/NL7204893A/xx not_active Application Discontinuation
- 1972-04-13 FR FR7212958A patent/FR2132895B1/fr not_active Expired
- 1972-04-13 GB GB1708672A patent/GB1344752A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL7204893A (en:Method) | 1972-10-17 |
| CA973567A (en) | 1975-08-26 |
| IT1048920B (it) | 1980-12-20 |
| FR2132895B1 (en:Method) | 1977-07-22 |
| DE2216882A1 (de) | 1972-10-19 |
| US3781372A (en) | 1973-12-25 |
| FR2132895A1 (en:Method) | 1972-11-24 |
| GB1344752A (en) | 1974-01-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |