Master data| INID | Criterion | Field | Content |
|---|
| Type of IP right | SART | Unitary patent |
| Status | ST | Pending/in force |
| 21 | DE file number | DAKZ | 50 2020 010 597.4 |
| 96 | EP file number | EAKZ | 20 78 0155.6 |
| 86 | WO file number | WAKZ | PCT/EP2020/076532 |
| 97 | EP publication number | EPN | 4065522 |
| 87 | WO publication number | WPN | 2021104711 |
| 54 | Designation/title | TI | VERFAHREN ZUR BIOLOGISCHEN REINIGUNG VON NITRATHALTIGEM WASSER |
| 51 | IPC main class | ICM
(ICMV) | C02F 3/28 (2006.01) |
| 51 | IPC secondary class(es) | ICS
(ICSV) | C02F 3/30 (2006.01), C02F 101/16 (2006.01) |
| 22 | DE application date | DAT | Sep 23, 2020 |
| 96 | EP application date | EAT | Sep 23, 2020 |
| 86 | WO application date | WAT | Sep 23, 2020 |
| 43 | Date of first publication | OT | Jun 3, 2021 |
| Date of publication of grant | PET | Mar 12, 2025 |
| 71/73 | Applicant/owner | INH | WTE Wassertechnik GmbH, 45136 Essen, DE |
| 72 | Inventor | IN | WOTRUBEZ, Herbert, 65552 Limburg, DE; HENTSCHEL, Torsten, 45468 Mülheim an der Ruhr, DE; STEUERNAGEL, Leon, 51063 Köln, DE |
| 74 | Representative | VTR | Rommeswinkel, Marike, 45130 Essen, DE |
66
66
| Domestic priority | PRN
PRD
| 10 2019 134 959.1
Dec 18, 2019
|
66
66
| Domestic priority | PRN
PRD
| 10 2019 132 449.1
Nov 29, 2019
|
66
66
| Domestic priority | PRN
PRD
| 10 2020 101 182.2
Jan 20, 2020
|
| Patent division in charge | | 45 |
| 97 | EP language of publication | ELANG | DE - Deutsch |
| 84 | Designated EP contracting states | EDS | AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LI, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR |
| Member states EPGÜ | EPGUE | AT, BE, BG, DE, DK, EE, FI, FR, IT, LT, LU, LV, MT, NL, PT, RO, SE, SI |
| Published EP/WO documents | EPWOPN | Original document:
EP000004065522A1
Searchable text:
EP000004065522A1
Original document:
EP000004065522B1
Searchable text:
EP000004065522B1
Original document:
WO002021104711
Searchable text:
WO002021104711 |
| 43 | Date of first publication | EVT | Jun 3, 2021 |
| Date of the first transfer into DPMAregister | EREGT | Oct 5, 2022 |
| Date of the (most recent) update in DPMAregister | REGT | Oct 30, 2025
(Show all update days)(Hide all update days)- Oct 30, 2025
- St.36: changed (technical change)
- Oct 23, 2025
- St.36: changed (technical change)
- Oct 2, 2025
- St.36: changed (technical change)
- Aug 7, 2025
- St.36: changed (technical change)
- Jul 31, 2025
- St.36: changed (technical change)
- Jul 24, 2025
- St.36: changed (technical change)
- May 8, 2025
- Type of IP right: changed
- File number displayed in the result list: changed
- Procedures: EP procedure, EP patent - unitary effect registered, 21.03.2025: changed
- Procedures: Procedure relating to EP application, EPO publication of mention of grant , 12.03.2025: new
- Procedures: EP procedure, EP patent - unitary effect effective, 12.03.2025: changed
- Procedures: Procedure relating to EP application, EPO publication of mention of grant , 12.03.2025: deleted
- Apr 3, 2025
- Representative: new
- Address for service: deleted
- Due date: deleted
- Member states EPGÜ: new
- Procedures: EP procedure, EP patent - unitary effect registered, 21.03.2025: new
- Procedures: EP procedure, EP patent - unitary effect effective, 12.03.2025: new
- Mar 27, 2025
- Procedures: EP procedure, EP patent - request for unitary effect, 12.03.2025: new
- Procedures: Publications, DPMA mention of EP grant, 27.03.2025: new
- Feb 21, 2025
- Applicant/owner: new
- Address for service: new
- Due date: new
- Feb 20, 2025
- DE file number : new
- DE application date: new
- Date of publication of grant: new
- Domestic priority: changed
- Published EP/WO documents: changed
- File number displayed in the result list: changed
- Procedures: Procedure relating to EP application, EPO publication of mention of grant , 12.03.2025: new
- Dec 4, 2024
- St.36: changed (technical change)
- Oct 5, 2022
- Date of the first transfer into DPMAregister
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