EP0337653A3
Improved alkaline peroxide treatment of nonwoody lignocellulosic substrates
Abstract
An improved process for delignifying and bleaching nonwoody, lignocellulosic material into products digestible by ruminants and ingestible by humans. The process comprises treating the substrate in an alkaline solution for a period of time prior to adding peroxide.
Term
Term ended
Projected expiry passed 5 April 2009, 17.5 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both waysCites: the store holds 2 of 3
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0283589A1 | Cites | European Patent Office (EPO) | YP | Search report |
| US4649113A | Cites | United States of America | YD | Search report |
| BIOTECHNOLOGY AND BIOENGINEERING. vol. 27, 1985, NEW YORK US pages 225 - 231; Gould, J.M.: "Studies on the mechanism of alkaline peroxide delignification of agricultural residues." | Non-patent | – | – | Search report |
24 members in 15 offices
Priority claims16
| Document | Office | Kind | Date |
|---|---|---|---|
| 181770 | United States of America | – | |
| 18177088 | United States of America | A | |
| 18177088 | United States of America | A | |
| 181771 | United States of America | – | |
| 18177188 | United States of America | A | |
| 18177188 | United States of America | A | |
| 181774 | United States of America | – | |
| 18177488 | United States of America | A | |
| 18177488 | United States of America | A | |
| 181776 | United States of America | – | |
| 18177688 | United States of America | A | |
| 18177688 | United States of America | A | |
| US19880181770 | – | – | – |
| US19880181771 | – | – | – |
| US19880181774 | – | – | – |
| US19880181776 | – | – | – |
Members24
| Document | Office | Kind | |
|---|---|---|---|
| DK181889D0 | Denmark | D0 | |
| NO891549D0 | Norway | D0 | |
| US4859282A | United States of America | A | |
| US4859283A | United States of America | A | |
| DK181889A | Denmark | A | |
| FI891791A | Finland | A | |
| NO891549L | Norway | L | |
| EP0337653A2 | European Patent Office (EPO) | A2 | |
| AU3279389A | Australia | A | |
| BR8901758A | Brazil | A | |
| CN1038921A | China | A | |
| JPH02119751A | Japan | A | |
| NZ228728A | New Zealand | A | |
| US4957599A | United States of America | A | |
| KR900015642A | Republic of Korea | A | |
| ZA892753B | South Africa | B | |
| YU76389A | Yugoslavia, later Serbia and Montenegro (until 2006) | A | |
| EP0337653A3This record | European Patent Office (EPO) | A3 | |
| AU632283B2 | Australia | B2 | |
| MY103876A | Malaysia | A | |
| YU46488B | Yugoslavia, later Serbia and Montenegro (until 2006) | B | |
| CA1324283C | Canada | C | |
| CA1334145C | Canada | C | |
| CA1334146C | Canada | C |
8 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application withdrawnWithdrawn18W | 18W | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN WITHDRAWNSTAA | STAA | |
| Request for examination filed17P | 17P | |
| Main classification (correction)RHK1 | RHK1 | |
| Designated contracting statesAK | AK | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 0337653
- Publication, DOCDB
- 0337653
- Publication, EPODOC
- EP0337653
- Application
- 303372
- Application, DOCDB
- 89303372
- Application, EPODOC
- EP19890303372
Titles3
- German
- Alkalische Peroxidbehandlung von nichtverholzten Lignozellulosesubstraten
- English
- Improved alkaline peroxide treatment of nonwoody lignocellulosic substrates
- French
- Traitement alcalin au peroxyde de substrats lignocellulosiques non-ligneux
Classification
- CPC, 7
- D21H11/12
- C08B15/00
- A21D13/02
- D21C3/02
- D21C9/163
- A23K10/32
- Y02P60/87
- IPC, 14
- A23K1 18
- A21D13 02
- A23K1 00
- A23K10 32
- A23K10 37
- A23K20 22
- A23K40 00
- A23K50 10
- A23L1 308
- C08B15 00
- D21C1 06
- D21C3 02
- D21C9 16
- D21H11 12
Designated states1
- Contracting states, 1
- Sweden