CH522597A - Process for the preparation of methylene-bis-iminodiacetonitrile and its use - Google Patents
Process for the preparation of methylene-bis-iminodiacetonitrile and its useInfo
- Publication number
- CH522597A CH522597A CH231470A CH231470A CH522597A CH 522597 A CH522597 A CH 522597A CH 231470 A CH231470 A CH 231470A CH 231470 A CH231470 A CH 231470A CH 522597 A CH522597 A CH 522597A
- Authority
- CH
- Switzerland
- Prior art keywords
- iminodiacetonitrile
- methylene
- bis
- preparation
- 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 (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US54543566A | 1966-04-26 | 1966-04-26 | |
US63087567A | 1967-04-14 | 1967-04-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH522597A true CH522597A (en) | 1972-05-15 |
Family
ID=27067937
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH231470A CH522597A (en) | 1966-04-26 | 1967-04-25 | Process for the preparation of methylene-bis-iminodiacetonitrile and its use |
CH594067A CH504410A (en) | 1966-04-26 | 1967-04-25 | Preparation of nitrilotriacetonitrile from ammonia - formaldehyde and hydrogen cyanide intermediate for |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH594067A CH504410A (en) | 1966-04-26 | 1967-04-25 | Preparation of nitrilotriacetonitrile from ammonia - formaldehyde and hydrogen cyanide intermediate for |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE697624A (en) |
CH (2) | CH522597A (en) |
DE (1) | DE1593793A1 (en) |
GB (3) | GB1185980A (en) |
NL (1) | NL6705717A (en) |
SE (3) | SE364951B (en) |
-
1967
- 1967-04-22 DE DE19671593793 patent/DE1593793A1/en active Pending
- 1967-04-24 NL NL6705717A patent/NL6705717A/xx unknown
- 1967-04-25 CH CH231470A patent/CH522597A/en not_active IP Right Cessation
- 1967-04-25 CH CH594067A patent/CH504410A/en not_active IP Right Cessation
- 1967-04-26 SE SE209870A patent/SE364951B/xx unknown
- 1967-04-26 GB GB1270269A patent/GB1185980A/en not_active Expired
- 1967-04-26 GB GB1925667A patent/GB1185092A/en not_active Expired
- 1967-04-26 SE SE209770A patent/SE364262B/xx unknown
- 1967-04-26 BE BE697624D patent/BE697624A/xx unknown
- 1967-04-26 SE SE588567A patent/SE346991B/xx unknown
- 1967-04-26 GB GB1270369A patent/GB1185818A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE346991B (en) | 1972-07-24 |
DE1593793A1 (en) | 1970-12-10 |
BE697624A (en) | 1967-10-26 |
NL6705717A (en) | 1967-10-27 |
GB1185818A (en) | 1970-03-25 |
SE364951B (en) | 1974-03-11 |
SE364262B (en) | 1974-02-18 |
CH504410A (en) | 1971-03-15 |
GB1185092A (en) | 1970-03-18 |
GB1185980A (en) | 1970-04-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |