ES342123A1 - Procedimiento para purificar terftalonitrilo. - Google Patents
Procedimiento para purificar terftalonitrilo.Info
- Publication number
- ES342123A1 ES342123A1 ES342123A ES342123A ES342123A1 ES 342123 A1 ES342123 A1 ES 342123A1 ES 342123 A ES342123 A ES 342123A ES 342123 A ES342123 A ES 342123A ES 342123 A1 ES342123 A1 ES 342123A1
- Authority
- ES
- Spain
- Prior art keywords
- terephthalonitrile
- ethylene glycol
- purification
- azeotropic distillation
- azeotropic
- Prior art date
- 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
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 title abstract 6
- 238000010533 azeotropic distillation Methods 0.000 title abstract 2
- BHXFKXOIODIUJO-UHFFFAOYSA-N benzene-1,4-dicarbonitrile Chemical compound N#CC1=CC=C(C#N)C=C1 BHXFKXOIODIUJO-UHFFFAOYSA-N 0.000 title abstract 2
- 238000000746 purification Methods 0.000 title 1
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 |
|---|---|
| ES342123A1 true ES342123A1 (es) | 1968-07-16 |
Family
ID=24232276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES342123A Expired ES342123A1 (es) | 1966-06-21 | 1967-06-21 | Procedimiento para purificar terftalonitrilo. |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3468763A (es) |
| BE (1) | BE699900A (es) |
| CH (1) | CH475955A (es) |
| DE (1) | DE1618520A1 (es) |
| DK (1) | DK117290B (es) |
| ES (1) | ES342123A1 (es) |
| GB (1) | GB1118488A (es) |
| LU (1) | LU53894A1 (es) |
| NL (1) | NL6708164A (es) |
| NO (1) | NO120732B (es) |
| SE (1) | SE337014B (es) |
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 |
| NL103414C (es) * | 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 SE SE08705/67A patent/SE337014B/xx unknown
- 1967-06-20 NO NO168671A patent/NO120732B/no unknown
- 1967-06-20 DK DK318367AA patent/DK117290B/da unknown
- 1967-06-20 CH CH871467A patent/CH475955A/fr not_active IP Right Cessation
- 1967-06-21 ES ES342123A patent/ES342123A1/es not_active Expired
- 1967-06-21 DE DE19671618520 patent/DE1618520A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NO120732B (es) | 1970-11-30 |
| DE1618520A1 (de) | 1971-03-18 |
| DK117290B (da) | 1970-04-13 |
| US3468763A (en) | 1969-09-23 |
| BE699900A (es) | 1967-12-14 |
| NL6708164A (es) | 1967-12-22 |
| LU53894A1 (es) | 1969-04-22 |
| SE337014B (es) | 1971-07-26 |
| GB1118488A (en) | 1968-07-03 |
| CH475955A (fr) | 1969-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES342123A1 (es) | Procedimiento para purificar terftalonitrilo. | |
| CA603142A (en) | Ethylene glycol purification | |
| CA667012A (en) | Purification of epoxy compounds | |
| CA672417A (en) | Purification of hydrogen by scrubbing with nitrogen at high pressures | |
| AU283570B2 (en) | Distillation of diphenylolalkanes | |
| CA671662A (en) | Inoculation of legumes | |
| AU257568B2 (en) | Purification of aliphatic dinitriles | |
| AU257573B2 (en) | Purification of aliphatic dinitriles | |
| CA733543A (en) | Purification of ethylene | |
| CA668055A (en) | Purification of caprolactam | |
| AU280988B2 (en) | Manufacture of adiponitrile | |
| AU277604B2 (en) | Manufacture of adiponitrile | |
| CA598595A (en) | Purification of aliphatic acids | |
| CA617605A (en) | Purification of adiponitrile | |
| AU3399963A (en) | Distillation of diphenylolalkanes | |
| AU6622960A (en) | Purification of aliphatic dinitriles | |
| AU6750660A (en) | Purification of aliphatic dinitriles | |
| CA666614A (en) | Purification of primary fluoroalcohols | |
| CA639527A (en) | Purification of ethyl alcohol | |
| AU277716B2 (en) | Purification of terephthalic acid | |
| CA655454A (en) | Purification of terephthalic acid | |
| CA667011A (en) | Preparation of highly purified formaldehyde | |
| AU269671B2 (en) | Purification of cyclohexanol | |
| CA605849A (en) | Manufacture of high linear polyesters | |
| CA659232A (en) | Polymerization of trioxane |