CH525192A - Verfahren zur Reinigung von rohem Adiponitril - Google Patents
Verfahren zur Reinigung von rohem AdiponitrilInfo
- Publication number
- CH525192A CH525192A CH303869A CH303869A CH525192A CH 525192 A CH525192 A CH 525192A CH 303869 A CH303869 A CH 303869A CH 303869 A CH303869 A CH 303869A CH 525192 A CH525192 A CH 525192A
- Authority
- CH
- Switzerland
- Prior art keywords
- purification
- crude adiponitrile
- adiponitrile
- crude
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1307968 | 1968-02-29 | ||
| JP6219668 | 1968-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH525192A true CH525192A (de) | 1972-07-15 |
Family
ID=26348801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH303869A CH525192A (de) | 1968-02-29 | 1969-02-28 | Verfahren zur Reinigung von rohem Adiponitril |
Country Status (8)
| Country | Link |
|---|---|
| BE (1) | BE728688A (de) |
| CH (1) | CH525192A (de) |
| DE (1) | DE1909957A1 (de) |
| FR (1) | FR2002928A1 (de) |
| GB (1) | GB1200872A (de) |
| LU (1) | LU58105A1 (de) |
| NL (1) | NL6902992A (de) |
| SU (1) | SU368744A3 (de) |
-
1969
- 1969-02-20 BE BE728688D patent/BE728688A/xx unknown
- 1969-02-26 NL NL6902992A patent/NL6902992A/xx unknown
- 1969-02-27 DE DE19691909957 patent/DE1909957A1/de active Pending
- 1969-02-27 GB GB10594/69A patent/GB1200872A/en not_active Expired
- 1969-02-27 LU LU58105D patent/LU58105A1/xx unknown
- 1969-02-28 SU SU1307648A patent/SU368744A3/ru active
- 1969-02-28 FR FR6905385A patent/FR2002928A1/fr not_active Withdrawn
- 1969-02-28 CH CH303869A patent/CH525192A/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| SU368744A3 (de) | 1973-01-26 |
| NL6902992A (de) | 1969-09-02 |
| GB1200872A (en) | 1970-08-05 |
| LU58105A1 (de) | 1969-06-03 |
| BE728688A (de) | 1969-08-01 |
| FR2002928A1 (de) | 1969-10-31 |
| DE1909957A1 (de) | 1969-09-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |