AT25294T
Use of polyblends based on cellulose esters in optical contact lenses, and contact and scleroid lenses made from these polyblends.
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
15 members in 6 offices
Priority claims1
| Document | Office | Kind | Date |
|---|---|---|---|
| 3314188 | Germany | A |
Members15
| Document | Office | Kind | |
|---|---|---|---|
| DE3236521A1 | Germany | A1 | |
| EP0105399A1 | European Patent Office (EPO) | A1 | |
| JPS5986639A | Japan | A | |
| DE3314188A1 | Germany | A1 | |
| JPS59206815A | Japan | A | |
| EP0126261A1 | European Patent Office (EPO) | A1 | |
| US4506045A | United States of America | A | |
| US4533397A | United States of America | A | |
| EP0126261B1 | European Patent Office (EPO) | B1 | |
| AT25294TThis record | Austria | T | |
| CA1218175A | Canada | A | |
| DE3462286D1 | Germany | D1 | |
| EP0105399B1 | European Patent Office (EPO) | B1 | |
| DE3371991D1 | Germany | D1 | |
| JPH0257817B2 | Japan | B2 |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Ceased due to non-payment of the annual feeCeasedREN | REN |
Numbers
- Application
- 84103925
Titles2
- German
- VERWENDUNG VON POLYMERLEGIERUNGEN AUF BASIS VON CELLULOSEESTERN IN DER AUGEN-KONTAKTOPTIK UND AUS DEN POLYMERLEGIERUNGEN HERGESTELLTE KONTAKTLINSEN UND -SCHALEN.
- English
- USE OF POLYMER ALLOYS BASED ON CELLULOSE ESTERS IN EYE CONTACTOPTICS AND CONTACT LENSES AND SHELLS MANUFACTURED FROM POLYMER ALLOYS.
Classification
- CPC, 3
- C08L1/10
- C08L69/00
- G02B1/043
- IPC, 8
- B29D11 00
- C08L1 00
- C08L1 10
- C08L1 14
- C08L67 00
- C08L69 00
- G02B1 04
- G02C7 04