GB1303788A - - Google Patents
Info
- Publication number
- GB1303788A GB1303788A GB1079171*[A GB1079171A GB1303788A GB 1303788 A GB1303788 A GB 1303788A GB 1079171 A GB1079171 A GB 1079171A GB 1303788 A GB1303788 A GB 1303788A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formaldehyde
- reaction
- ammonium salt
- aqueous
- nitrilotriacetonitrile
- 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
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 10
- LJAIDEYQVIJERM-UHFFFAOYSA-N 2-[bis(cyanomethyl)amino]acetonitrile Chemical compound N#CCN(CC#N)CC#N LJAIDEYQVIJERM-UHFFFAOYSA-N 0.000 abstract 4
- 150000003863 ammonium salts Chemical class 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 2
- 239000011260 aqueous acid Substances 0.000 abstract 2
- 239000002253 acid Substances 0.000 abstract 1
- 229910021529 ammonia Inorganic materials 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 239000008098 formaldehyde solution Substances 0.000 abstract 1
- 239000012452 mother liquor Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 0.000 abstract 1
- 239000011541 reaction mixture Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 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)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702025632 DE2025632C3 (de) | 1970-05-26 | Verfahren zur kontinuierlichen Herstellung von Nitrilotriacetonitril |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1303788A true GB1303788A (https=) | 1973-01-17 |
Family
ID=5772118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1079171*[A Expired GB1303788A (https=) | 1970-05-26 | 1971-04-22 |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5023018B1 (https=) |
| AT (1) | AT310139B (https=) |
| BE (1) | BE767543A (https=) |
| BR (1) | BR7103136D0 (https=) |
| CH (1) | CH557802A (https=) |
| ES (1) | ES390692A1 (https=) |
| FR (1) | FR2093717A5 (https=) |
| GB (1) | GB1303788A (https=) |
| NL (1) | NL171051C (https=) |
| NO (1) | NO136790C (https=) |
| SE (1) | SE365796B (https=) |
| ZA (1) | ZA712514B (https=) |
-
1971
- 1971-04-02 SE SE04333/71A patent/SE365796B/xx unknown
- 1971-04-20 ZA ZA712514A patent/ZA712514B/xx unknown
- 1971-04-22 GB GB1079171*[A patent/GB1303788A/en not_active Expired
- 1971-04-28 ES ES390692A patent/ES390692A1/es not_active Expired
- 1971-05-13 NO NO1822/71A patent/NO136790C/no unknown
- 1971-05-21 NL NLAANVRAGE7106999,A patent/NL171051C/xx not_active IP Right Cessation
- 1971-05-21 BR BR3136/71A patent/BR7103136D0/pt unknown
- 1971-05-24 BE BE767543A patent/BE767543A/xx not_active IP Right Cessation
- 1971-05-24 AT AT445971A patent/AT310139B/de not_active IP Right Cessation
- 1971-05-25 FR FR7118902A patent/FR2093717A5/fr not_active Expired
- 1971-05-26 CH CH771771A patent/CH557802A/xx not_active IP Right Cessation
- 1971-05-26 JP JP46036182A patent/JPS5023018B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5023018B1 (https=) | 1975-08-05 |
| ES390692A1 (es) | 1973-07-01 |
| FR2093717A5 (https=) | 1972-01-28 |
| NO136790B (no) | 1977-08-01 |
| NL171051C (nl) | 1983-02-01 |
| SE365796B (https=) | 1974-04-01 |
| BE767543A (fr) | 1971-11-24 |
| NL7106999A (https=) | 1971-11-30 |
| ZA712514B (en) | 1972-01-26 |
| DE2025632A1 (de) | 1971-12-02 |
| CH557802A (de) | 1975-01-15 |
| NL171051B (nl) | 1982-09-01 |
| BR7103136D0 (pt) | 1973-04-19 |
| DE2025632B2 (de) | 1976-09-02 |
| AT310139B (de) | 1973-09-25 |
| NO136790C (no) | 1977-11-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |