IT608859A - - Google Patents
Info
- Publication number
- IT608859A IT608859A IT608859DA IT608859A IT 608859 A IT608859 A IT 608859A IT 608859D A IT608859D A IT 608859DA IT 608859 A IT608859 A IT 608859A
- 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
- C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation 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
- C07C37/685—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
- C07C37/80—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by distillation by extractive distillation
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 |
|---|---|---|---|
| GB1231070X | 1958-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT608859A true IT608859A (de) |
Family
ID=10884465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT608859D IT608859A (de) | 1958-03-04 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE576352A (de) |
| DE (1) | DE1126886B (de) |
| FR (1) | FR1231070A (de) |
| IT (1) | IT608859A (de) |
| NL (1) | NL236748A (de) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3029292A (en) * | 1962-04-10 | Phenol purification | ||
| DE1204685B (de) * | 1959-11-20 | 1965-11-11 | Shawinigan Chem Ltd | Verfahren zur Reinigung von Phenol |
| DE1167353B (de) * | 1960-05-20 | 1964-04-09 | Distillers Co Yeast Ltd | Verfahren zum Reinigen vom Phenol |
| US3029293A (en) * | 1960-08-19 | 1962-04-10 | Hercules Powder Co Ltd | Phenol purification |
| DE1239701B (de) * | 1964-04-23 | 1967-05-03 | Still Fa Carl | Verfahren zur Gewinnung von nahezu aschefreien und farbbestaendigen Reinphenolen ausRohphenolen |
| GB1108327A (en) * | 1964-08-05 | 1968-04-03 | Universal Oil Prod Co | Process for purifying phenols |
| GB1148907A (en) * | 1965-11-26 | 1969-04-16 | Ici Ltd | Purification of phenol |
| US4832796A (en) * | 1987-07-16 | 1989-05-23 | General Electric Company | Process for purifying phenol |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL170964B (nl) * | 1951-07-18 | Air Prod & Chem | Werkwijze ter bereiding van een buigzaam polyurethanschuim. | |
| FR1151059A (fr) * | 1955-07-16 | 1958-01-23 | Ruetgerswerke Ag | Perfectionnements apportés aux procédés pour la préparation de phénol |
-
0
- NL NL236748D patent/NL236748A/xx unknown
- IT IT608859D patent/IT608859A/it unknown
- BE BE576352D patent/BE576352A/fr unknown
-
1959
- 1959-03-02 DE DED30097A patent/DE1126886B/de active Pending
- 1959-03-04 FR FR788318A patent/FR1231070A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1231070A (fr) | 1960-09-26 |
| NL236748A (de) | |
| BE576352A (de) | |
| DE1126886B (de) | 1962-04-05 |