CH475955A - Procédé de purification du téréphtalonitrile - Google Patents
Procédé de purification du téréphtalonitrileInfo
- Publication number
- CH475955A CH475955A CH871467A CH871467A CH475955A CH 475955 A CH475955 A CH 475955A CH 871467 A CH871467 A CH 871467A CH 871467 A CH871467 A CH 871467A CH 475955 A CH475955 A CH 475955A
- Authority
- CH
- Switzerland
- Prior art keywords
- terephtalonitrile
- purification
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
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 |
|---|---|---|---|
| US55910366A | 1966-06-21 | 1966-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH475955A true CH475955A (fr) | 1969-07-31 |
Family
ID=24232276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH871467A CH475955A (fr) | 1966-06-21 | 1967-06-20 | Procédé de purification du téréphtalonitrile |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3468763A (fr) |
| BE (1) | BE699900A (fr) |
| CH (1) | CH475955A (fr) |
| DE (1) | DE1618520A1 (fr) |
| DK (1) | DK117290B (fr) |
| ES (1) | ES342123A1 (fr) |
| GB (1) | GB1118488A (fr) |
| LU (1) | LU53894A1 (fr) |
| NL (1) | NL6708164A (fr) |
| NO (1) | NO120732B (fr) |
| SE (1) | SE337014B (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4414063A (en) * | 1982-04-12 | 1983-11-08 | E. I. Du Pont De Nemours & Co. | Removing residual acrylonitrile in aqueous dispersions |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2664435A (en) * | 1946-12-26 | 1953-12-29 | Kellogg M W Co | Separation of organic compounds |
| DE1004162B (de) * | 1955-11-18 | 1957-03-14 | Glanzstoff Ag | Verfahren zum Reinigen von Dimethylterephthalat |
| NL244224A (fr) * | 1958-12-03 | |||
| US3362982A (en) * | 1964-02-17 | 1968-01-09 | Showa Denko Kk | Purification of polycyanobenzenes |
-
1966
- 1966-06-21 US US559103A patent/US3468763A/en not_active Expired - Lifetime
-
1967
- 1967-06-13 NL NL6708164A patent/NL6708164A/xx unknown
- 1967-06-14 BE BE699900D patent/BE699900A/xx unknown
- 1967-06-15 GB GB27718/67A patent/GB1118488A/en not_active Expired
- 1967-06-16 LU LU53894D patent/LU53894A1/xx unknown
- 1967-06-20 NO NO168671A patent/NO120732B/no unknown
- 1967-06-20 CH CH871467A patent/CH475955A/fr not_active IP Right Cessation
- 1967-06-20 SE SE08705/67A patent/SE337014B/xx unknown
- 1967-06-20 DK DK318367AA patent/DK117290B/da unknown
- 1967-06-21 DE DE19671618520 patent/DE1618520A1/de active Pending
- 1967-06-21 ES ES342123A patent/ES342123A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE699900A (fr) | 1967-12-14 |
| LU53894A1 (fr) | 1969-04-22 |
| SE337014B (fr) | 1971-07-26 |
| US3468763A (en) | 1969-09-23 |
| NO120732B (fr) | 1970-11-30 |
| DK117290B (da) | 1970-04-13 |
| GB1118488A (en) | 1968-07-03 |
| NL6708164A (fr) | 1967-12-22 |
| DE1618520A1 (de) | 1971-03-18 |
| ES342123A1 (es) | 1968-07-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |