EP0349220A3
Phosphate buffer wash for improved amidoperoxyacid storage stability
Abstract
Process for improving storage stability of amidoperoxyacid, comprising contacting said amidoperoxyacid with a phosphate buffer solution at a pH between about 3.5 and 6 after synthesis of the amidoperoxyacid.
Term
Term ended
Projected expiry passed 23 June 2009, 17.3 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| FR2376695A1 | Cites | France | A | Search report |
| US4170453A | Cites | United States of America | AD | Search report |
| US4686063A | Cites | United States of America | AD | Search report |
22 members in 13 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 213413 | United States of America | – | |
| 21341388 | United States of America | A | |
| 21341388 | United States of America | A | |
| US19880213413 | – | – | – |
Members22
| Document | Office | Kind | |
|---|---|---|---|
| FI893195A0 | Finland | A0 | |
| DK325789D0 | Denmark | D0 | |
| DK325789A | Denmark | A | |
| FI893195A | Finland | A | |
| FI893195A7 | Finland | A7 | |
| FI893195L | Finland | L | |
| EP0349220A2 | European Patent Office (EPO) | A2 | |
| AU3727589A | Australia | A | |
| BR8903237A | Brazil | A | |
| US4909953A | United States of America | A | |
| JPH02131464A | Japan | A | |
| EP0349220A3This record | European Patent Office (EPO) | A3 | |
| AU624157B2 | Australia | B2 | |
| NZ229768A | New Zealand | A | |
| MX167246B | Mexico | B | |
| AR244801A1 | Argentina | A1 | |
| EP0349220B1 | European Patent Office (EPO) | B1 | |
| AT138973T | Austria | T | |
| ATE138973T1 | Austria | T1 | |
| DE68926592D1 | Germany | D1 | |
| CA1339508C | Canada | C | |
| JP2820437B2 | Japan | B2 |
45 legal events, as 3 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| Notification of lapseLapsedST | ST | FR | |
| Nl: lapsed or anulled due to non-payment of the annual feeLapsedNLV4 | NLV4 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | 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 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| 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 | |
| Patent ceasedCeasedPL | PL | CH | |
| 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 | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| It: translation for a ep patent filedITF | ITF | EP | |
| Fr: translation filedET | ET | EP | |
| Corresponds to:REF | REF | 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 | |
| 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 | |
| Designated contracting statesAK | AK | 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 | |
| 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 | |
| Corresponds to:REF | REF | 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
- 0349220
- Publication, DOCDB
- 0349220
- Publication, EPODOC
- EP0349220
- Application
- 306406
- Application, DOCDB
- 89306406
- Application, EPODOC
- EP19890306406
Titles3
- German
- Phosphatpufferwäsche zur Erhöhung der Lagerstabilität von Amidoperoxysäure
- English
- Phosphate buffer wash for improved amidoperoxyacid storage stability
- French
- Lavage d'acide peroxyamidique avec un tampon de phosphate pour modifier la stabilité de stockage
Classification
- CPC, 2
- C07C407/006
- C11D3/3937
- IPC, 4
- C11D3 395
- C07C407 00
- C07C409 40
- C11D3 39
Designated states1
- Contracting states, 1
- Sweden