EP0337779A3
Process for the production of acrylonitrile
Abstract
A process for the production of acrylonitrile by vapor phase catalytic ammoxidation of propylene in a fluidized bed at a high yield with the use of a multi-component fluidized bed catalyst comprising molybdenum, bismuth, iron, antimony, nickel and alkali metal(s) each carried by silica, which has a high catalytic activity and a high attrition resistance and which does not require any expensive cobalt catalytic component.
Term
Term ended
Projected expiry passed 13 April 2009, 17.4 years ago.
- Priority and filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0018103A1 | Cites | European Patent Office (EPO) | A | Search report |
| EP0331351A1 | Cites | European Patent Office (EPO) | E | Search report |
| GB1478621A | Cites | United Kingdom | A | Search report |
| DE2258821A1 | Cites | Germany | A | Search report |
| US4264476A | Cites | United States of America | AD | Search report |
11 members in 6 offices; this record represents the family
Members11
| Document | Office | Kind | |
|---|---|---|---|
| EP0337779A2 | European Patent Office (EPO) | A2 | |
| JPH01265068A | Japan | A | |
| EP0337779A3This record | European Patent Office (EPO) | A3 | |
| KR900016117A | Republic of Korea | A | |
| US4978765A | United States of America | A | |
| EP0337779B1 | European Patent Office (EPO) | B1 | |
| DE68909287D1 | Germany | D1 | |
| DE68909287T2 | Germany | T2 | |
| ES2059735T3 | Spain | T3 | |
| JP2520282B2 | Japan | B2 | |
| KR0133672B1 | Republic of Korea | B1 |
37 legal events, as 4 offices reported them to INPADOC
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| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Announcement of lapse in spainLapsedFD2A | FD2A | ES | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Nl: lapsed or anulled due to non-payment of the annual feeLapsedNLV4 | NLV4 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| Transfer of patentPC2A | PC2A | ES | |
| Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)732E | 732E | GB | |
| Transmission of propertyTP | TP | FR | |
| Nl: assignments of ep-patentsNLS | NLS | EP | |
| Definitive protectionFG2A | FG2A | ES | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Fr: translation filedET | ET | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0337779
- Application
- 893036624
Titles3
- German
- Verfahren zur Herstellung von Acrylonitril
- English
- Process for the production of acrylonitrile
- French
- Procédé de production d'acrylonitrile
Classification
- CPC, 15
- C07C253/26
- Y02P20/52
- B01J23/8872
- B01J23/8876
- B01J37/033
- B01J37/088
- B01J23/8437
- B01J27/192
- B01J37/0045
- B01J2523/00
- B01J35/397
- B01J35/36
- B01J35/38
- B01J2235/15
- B01J2235/30
- IPC, 11
- C07C253 24
- B01J23 88
- B01J27 14
- B01J27 192
- B01J35 36
- B01J35 38
- C07B61 00
- C07C67 00
- C07C253 00
- C07C253 26
- C07C255 08
Designated states6
- Contracting states, 6
- Germany
- Spain
- France
- United Kingdom
- Italy
- Netherlands (Kingdom of the)