EP0443094A3
Non-biodegradable, two-phase corneal implant and method for preparing same
Abstract
The present invention provides a non-biodegradable corneal implant comprising (1) a polymerized transparent collagenous core having acylated amine or esterified carboxyl groups, and (2) a polymerized periphery surrounding the core, the periphery comprising fibrous collagen, e.g., Type I, being in the form of fibrils under suitable physiological conditions, or fibrillar collagenous material prepared from intact tissue. A method of preparing such an implant is also provided.
Term
Term ended
Projected expiry passed 27 October 2010, 15.9 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
Every citation, both ways
| Document | Relation | Office | Category | Cited during |
|---|---|---|---|---|
| EP0330389A2 | Cites | European Patent Office (EPO) | YD | Search report |
| GB2178963A | Cites | United Kingdom | A | Search report |
| WO8905128A1 | Cites | World Intellectual Property Organization (WIPO) | Y | Search report |
| WO9000087A1 | Cites | World Intellectual Property Organization (WIPO) | A | Search report |
16 members in 5 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 481503 | United States of America | – | |
| 48150390 | United States of America | A | |
| 48150390 | United States of America | A | |
| US19900481503 | – | – | – |
Members16
| Document | Office | Kind | |
|---|---|---|---|
| EP0330389A2 | European Patent Office (EPO) | A2 | |
| BR8900691A | Brazil | A | |
| EP0330389A3 | European Patent Office (EPO) | A3 | |
| US4969912A | United States of America | A | |
| CA2035987A1 | Canada | A1 | |
| EP0443094A2 | European Patent Office (EPO) | A2 | |
| US5067961A | United States of America | A | |
| EP0443094A3This record | European Patent Office (EPO) | A3 | |
| US5332802A | United States of America | A | |
| CA1336812C | Canada | C | |
| EP0330389B1 | European Patent Office (EPO) | B1 | |
| EP0443094B1 | European Patent Office (EPO) | B1 | |
| DE68928051D1 | Germany | D1 | |
| DE69030874D1 | Germany | D1 | |
| DE69030874T2 | Germany | T2 | |
| DE68928051T2 | Germany | T2 |
34 legal events, as 4 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 | |
| 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 | |
| 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 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| European patent in force as of 2002-01-01IF02 | IF02 | GB | |
| 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 | |
| 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 | |
| Fr: translation filedET | ET | EP | |
| New agentNV | NV | CH | |
| Corresponds to:REF | REF | EP | |
| European patent takes effect as a national patent in ch/liEP | EP | CH | |
| Designated contracting statesAK | AK | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOS IGRAGRAH | GRAH | EP | |
| Despatch of communication of intention to grantORIGINAL CODE: EPIDOS AGRAGRAG | GRAG | EP | |
| Party data changed (applicant data changed or rights of an application transferred)RAP1 | RAP1 | 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
- 0443094
- Publication, DOCDB
- 0443094
- Publication, EPODOC
- EP0443094
- Application
- 120636
- Application, DOCDB
- 90120636
- Application, EPODOC
- EP19900120636
Titles3
- German
- Nichtresorbierbares Zweiphasen-Hornhautimplantat und Verfahren zu seiner Herstellung
- English
- Non-biodegradable, two-phase corneal implant and method for preparing same
- French
- Implant cornéen non biorésorbable à deux phases et méthode de préparation
Classification
- CPC, 8
- A61F2/142
- A61F2310/00365
- A61K38/00
- A61L27/24
- C07K14/78
- C08H1/06
- A61L2430/16
- A61F2/145
- IPC, 6
- A61F2 00
- A61F2 14
- A61K38 00
- A61L27 24
- C07K14 78
- C08H1 06
Designated states1
- Contracting states, 1
- Liechtenstein