AT119803T
Process for making a microfiltration, ultrafiltration, pervaporation or reverse osmosis membrane for suspensions, emulsions or gas separation.
Abstract
This record has no abstract on file.
Term
No projected expiry on record.
- Priority
- Filed
- Granted
- Today
11 members in 5 offices
Priority claims2
| Document | Office | Kind | Date |
|---|---|---|---|
| 4001654 | Germany | A | |
| 4022738 | Germany | A |
Members11
| Document | Office | Kind | |
|---|---|---|---|
| DE4001654C1 | Germany | C1 | |
| DE4022738A1 | Germany | A1 | |
| EP0446471A1 | European Patent Office (EPO) | A1 | |
| US5102539A | United States of America | A | |
| DE4022738C2 | Germany | C2 | |
| JPH04215825A | Japan | A | |
| JPH0655263B2 | Japan | B2 | |
| EP0629434A1 | European Patent Office (EPO) | A1 | |
| EP0446471B1 | European Patent Office (EPO) | B1 | |
| AT119803TThis record | Austria | T | |
| DE59008725D1 | Germany | D1 |
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
- 90124938
Titles2
- German
- VERFAHREN ZUR HERSTELLUNG EINER MEMBRAN ZUR MIKROFILTRATION, ULTRAFILTRATION, PERVAPORATION OD. UMKEHROSMOSE VON SUSPENSIONEN, EMULSIONEN ODER ZUR GASTRENNUNG.
- English
- METHOD FOR PRODUCING A MEMBRANE FOR MICROFILTRATION, ULTRAFILTRATION, PERVAPORATION OD. REVERSE OSMOSIS OF SUSPENSIONS, EMULSIONS OR GAS SEPARATION.
Classification
- CPC, 8
- B01D69/141
- B01D29/11
- B01D29/48
- B01D37/02
- B01D39/10
- B01D69/04
- B01D69/10
- B01D69/14
- IPC, 10
- B01D29 11
- B01D29 48
- B01D37 02
- B01D39 10
- B01D67 00
- B01D69 00
- B01D69 04
- B01D69 10
- B01D69 14
- B01D71 02