EP0443640A3
Bleaching process and bleach compositions
Abstract
Use is disclosed of low levels of a quaternary ammonium compound as a bleach booster for organic mono-peroxyacid compounds not containing an additional negative charge in bleach solutions and in bleach (detergent) compositions comprising said peroxyacid bleach compound. Process for bleaching substrates is also disclosed by treating the substrate with a bleach solution comprising said mono-peroxyacid and a quaternary ammonium compound as bleach booster.
Term
Term ended
Projected expiry passed 16 January 2011, 15.7 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
11 members in 8 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 9001491 | United Kingdom | A | |
| 9001491 | United Kingdom | – | |
| 21BO1991 | India | A | |
| GB19900001491 | – | – | – |
| IN21BO1991 | – | – | – |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| CA2034665A1 | Canada | A1 | |
| AU6948891A | Australia | A | |
| EP0443640A2 | European Patent Office (EPO) | A2 | |
| KR910014561A | Republic of Korea | A | |
| BR9100242A | Brazil | A | |
| EP0443640A3This record | European Patent Office (EPO) | A3 | |
| ZA91488B | South Africa | B | |
| JPH0525770A | Japan | A | |
| AU635381B2 | Australia | B2 | |
| TW240244B | Taiwan Province of China | B | |
| JPH0791779B2 | Japan | B2 |
10 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application refused18R | 18R | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN REFUSEDSTAA | STAA | |
| First examination report despatched17Q | 17Q | |
| Party data changed (applicant data changed or rights of an application transferred)RAP3 | RAP3 | |
| Party data changed (applicant data changed or rights of an application transferred)RAP3 | RAP3 | |
| Request for examination filed17P | 17P | |
| 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
- 0443640
- Publication, DOCDB
- 0443640
- Publication, EPODOC
- EP0443640
- Application
- 200071
- Application, DOCDB
- 91200071
- Application, EPODOC
- EP19910200071
Titles3
- English
- Bleaching process and use of quaternary ammonium compounds in bleach compositions
- German
- Bleichverfahren und Verwendung von quaternären Ammoniumverbindungen in Bleichmittelzusammensetzungen
- French
- Procédé de blanchiment et utilisation de composés d'ammonium quaternaires dans des compositions de blanchiment
Classification
- CPC, 2
- C11D3/3927
- C11D1/62
- IPC, 4
- C11D7 54
- C11D1 62
- C11D3 39
- D06L3 02
Designated states9
- Contracting states, 9
- Switzerland
- Germany
- Spain
- France
- United Kingdom
- Italy
- Liechtenstein
- Netherlands (Kingdom of the)
- Sweden