IT490392A - - Google Patents
Info
- Publication number
- IT490392A IT490392A IT490392DA IT490392A IT 490392 A IT490392 A IT 490392A IT 490392D A IT490392D A IT 490392DA IT 490392 A IT490392 A IT 490392A
- Authority
- IT
- Italy
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
- C07C37/685—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
- C07C37/74—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation
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 |
|---|---|---|---|
| GB305422X | 1951-07-18 | ||
| GB230652X | 1952-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT490392A true IT490392A (en:Method) |
Family
ID=26256292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT490392D IT490392A (en:Method) | 1951-07-18 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE512888A (en:Method) |
| CH (1) | CH305422A (en:Method) |
| DE (1) | DE1060868B (en:Method) |
| FR (1) | FR1065345A (en:Method) |
| IT (1) | IT490392A (en:Method) |
| LU (1) | LU31582A1 (en:Method) |
| NL (2) | NL90104C (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1075120B (de) * | 1960-02-11 | Rutgerswerke Aktiengesellschaft Frankfurt/M | Verfahren zur Gewinnung von Remphenol aus dem bei der Phenolherstel lung aus Cumolhydroperoxyd entstehenden Rohphenol | |
| IT608859A (en:Method) * | 1958-03-04 | |||
| DE1121621B (de) * | 1959-04-06 | 1962-01-11 | Phenolchemie Ges Mit Beschraen | Verfahren zum Aufarbeiten der Destillationsrueckstaende, die bei der Herstellung von Phenol und Aceton durch Spalten von Cumolhydroperoxyd erhalten werden |
| DE1219035B (de) | 1961-04-26 | 1966-06-16 | Inst Gorjutschich Iskopajemych | Verfahren zum Aufarbeiten der Destillations-rueckstaende, die bei der Herstellung von Phenol durch Spalten von Cumolhydroperoxyd erhalten worden sind |
| US3850996A (en) * | 1970-10-08 | 1974-11-26 | Hercules Inc | Treatment of the heavy ends fraction of cumene hydroperoxide cleavage reaction mixture |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR961022A (en:Method) * | 1947-02-13 | 1950-04-28 | ||
| NL155623B (nl) * | 1949-06-08 | Stig Albert Nilsson | Geleidingsinrichting aan een machine voor het vervaardigen van optrekbare lamellen-jaloezieen. |
-
0
- NL NLAANVRAGE7201028,A patent/NL170964B/xx unknown
- NL NL90104D patent/NL90104C/xx active
- BE BE512888D patent/BE512888A/fr unknown
- LU LU31582D patent/LU31582A1/xx unknown
- IT IT490392D patent/IT490392A/it unknown
-
1952
- 1952-07-05 FR FR1065345D patent/FR1065345A/fr not_active Expired
- 1952-07-08 DE DED12688A patent/DE1060868B/de active Pending
- 1952-07-12 CH CH305422D patent/CH305422A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR1065345A (fr) | 1954-05-24 |
| BE512888A (en:Method) | |
| DE1060868B (de) | 1959-07-09 |
| LU31582A1 (en:Method) | |
| NL90104C (en:Method) | |
| NL170964B (nl) | |
| CH305422A (fr) | 1955-02-28 |