EP0306089A3
Metallo-porphirins as bleach catalyst and process for cleaning fabrics
Abstract
A process for cleaning and bleaching fabrics comprising the treatment of the fabric with a metallo-porphyrin compound, leaving the fabric in contact therewith for a predetermined time to effect sufficient adsorption of metallo-porphyrin on to the fabric, and thereafter washing the fabric with a peroxyacid bleach composition. Compositions for use in this cleaning and bleaching process and pretreatment products for local application of metallo-porphyrin catalyst on to fabrics are also disclosed.
Term
Term ended
Projected expiry passed 29 August 2008, 18.1 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0057088A1 | Cites | European Patent Office (EPO) | A | Search report |
| EP0145438A2 | Cites | European Patent Office (EPO) | A | Search report |
| DE2021099A1 | Cites | Germany | Y | Search report |
| FR2316371A1 | Cites | France | YD | Search report |
7 members in 5 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 8720863 | United Kingdom | A | |
| 8720863 | United Kingdom | – | |
| 8720863 | – | – | – |
| GB19870020863 | – | – | – |
Members7
| Document | Office | Kind | |
|---|---|---|---|
| NO883903D0 | Norway | D0 | |
| NO883903L | Norway | L | |
| EP0306089A2 | European Patent Office (EPO) | A2 | |
| AU2167988A | Australia | A | |
| BR8804531A | Brazil | A | |
| JPH0197267A | Japan | A | |
| EP0306089A3This record | European Patent Office (EPO) | A3 |
6 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application deemed to be withdrawnWithdrawn18D | 18D | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWNSTAA | STAA | |
| 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
- 0306089
- Publication, DOCDB
- 0306089
- Publication, EPODOC
- EP0306089
- Application
- 88201833
- Application, DOCDB
- 88201833
- Application, EPODOC
- EP19880201833
Titles3
- English
- Metallo-porphirins as bleach catalyst and process for cleaning fabrics
- German
- Metallporphirine als Bleichkatalysator und Verfahren zum Reinigen von Wäsche
- French
- Porphirines de métaux comme catalyseur de blanchiment et procédé de nettoyage du linge
Classification
- CPC, 1
- C11D3/3932
- IPC, 5
- C11D17 04
- C11D3 39
- C11D7 54
- D06L3 02
- D06L4 70
Designated states9
- Contracting states, 9
- Switzerland
- Germany
- Spain
- France
- United Kingdom
- Italy
- Liechtenstein
- Netherlands (Kingdom of the)
- Sweden