EP4403543A3
Process and systems for obtaining 1,4-butanediol from fermentation broths
Abstract
A process of purifying 1,4-butanediol (1,4-BDO) from a fermentation broth including separating solid materials, salts and water, and subjecting the resulting material to a two, three or four column distillation system, that can include a wiped film evaporator to produce a purified 1,4-butanediol product.
Term
7.5 yearsto projected expiry
Projected expiry 14 March 2034, counted from filing; an application has no term until it is granted.
- Priority
- Filed
- Published
- Today
- Projected expiry
Every citation, both ways
| Document | Relation | Office | Cited during |
|---|---|---|---|
| WO2010141780A1 | Cites | World Intellectual Property Organization (WIPO) | Search report |
31 members in 8 offices
Priority claims9
| Document | Office | Kind | Date |
|---|---|---|---|
| 201361801107P | United States of America | – | |
| 201361801107 | United States of America | P | |
| 201361829625P | United States of America | – | |
| 201361829625 | United States of America | P | |
| 201461928966P | United States of America | – | |
| 201461928966 | United States of America | P | |
| 2014027593 | United States of America | W | |
| 21187593 | European Patent Office (EPO) | A | |
| 14768022 | European Patent Office (EPO) | A |
Members31
| Document | Office | Kind | |
|---|---|---|---|
| US2014275465A1 | United States of America | A1 | |
| CA2900536A1 | Canada | A1 | |
| WO2014152665A1 | World Intellectual Property Organization (WIPO) | A1 | |
| AU2014239256A1 | Australia | A1 | |
| CN105209414A | China | A | |
| EP2970068A1 | European Patent Office (EPO) | A1 | |
| US2016031778A1 | United States of America | A1 | |
| EP2970068A4 | European Patent Office (EPO) | A4 | |
| BR112015021885A2 | Brazil | A2 | |
| US2017362149A1 | United States of America | A1 | |
| US9873652B2 | United States of America | B2 | |
| US2018065907A1 | United States of America | A1 | |
| CN105209414B | China | B | |
| CN108358755A | China | A | |
| US2018237367A1 | United States of America | A1 | |
| AU2014239256B2 | Australia | B2 | |
| AU2019200878A1 | Australia | A1 | |
| US2019177255A1 | United States of America | A1 | |
| BR112015021885A8 | Brazil | A8 | |
| MY181137A | Malaysia | A | |
| US2021002195A1 | United States of America | A1 | |
| EP2970068B1 | European Patent Office (EPO) | B1 | |
| CN108358755B | China | B | |
| CN113248347A | China | A | |
| BR112015021885B1 | Brazil | B1 | |
| EP3964493A1 | European Patent Office (EPO) | A1 | |
| EP3964493B1 | European Patent Office (EPO) | B1 | |
| EP3964493C0 | European Patent Office (EPO) | C0 | |
| CN113248347B | China | B | |
| EP4403543A2 | European Patent Office (EPO) | A2 | |
| EP4403543A3This record | European Patent Office (EPO) | A3 |
20 legal events, as 2 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| First examination report despatched17Q | 17Q | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: EXAMINATION IS IN PROGRESSSTAA | STAA | EP | |
| Request for examination filed17P | 17P | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: REQUEST FOR EXAMINATION WAS MADESTAA | STAA | EP | |
| Designated contracting statesAK | AK | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Amendment of ipc main classPREVIOUS MAIN CLASS: C07C0033046000R079 | R079 | DE | |
| Divisional application: reference to earlier applicationAC | AC | EP | |
| Divisional application: reference to earlier applicationAC | AC | 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 | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN PUBLISHEDSTAA | STAA | EP |
Numbers
- Publication
- 4403543
- Application
- 241659986
Titles3
- German
- VERFAHREN UND SYSTEME ZUR GEWINNUNG VON 1,4-BUTANDIOL AUS FERMENTATIONSBRÜHEN
- English
- PROCESS AND SYSTEMS FOR OBTAINING 1,4-BUTANEDIOL FROM FERMENTATION BROTHS
- French
- PROCÉDÉ ET SYSTÈMES POUR OBTENIR DU 1,4-BUTANEDIOL À PARTIR DE BOUILLONS DE FERMENTATION
Classification
- CPC, 12
- C07C29/80
- C07C29/74
- B01D3/143
- C07C29/90
- B01D3/145
- B01D3/002
- Y02E50/10
- C07C33/046
- C07C31/207
- B01D1/22
- C07C29/00
- C12P7/18
- IPC, 8
- C07C29 76
- C07C29 74
- C07C29 80
- B01D3 00
- B01D1 00
- C07C29 90
- C07C33 046
- C07C31 20
Designated states38
- Contracting states, 38
- Albania
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Croatia
- Hungary
- Ireland
- Iceland
- Italy
- Liechtenstein
- Lithuania
- Luxembourg
- Latvia
and 14 moreShow fewer
- Monaco
- North Macedonia
- Malta
- Netherlands (Kingdom of the)
- Norway
- Poland
- Portugal
- Romania
- Serbia
- Sweden
- Slovenia
- Slovakia
- San Marino
- Türkiye