Master dataINID | Criterion | Field | Content |
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| Type of IP right | SART | Patent |
| Status | ST | Not pending/lapsed |
21 | DE file number | DAKZ | 593 06 546.8 |
96 | EP file number | EAKZ | 93 10 1918.6 |
97 | EP publication number | EPN | 556681 |
54 | Designation/title | TI | Verfahren zur Herstellung von omega-Formylalkancarbonsäureestern |
51 | IPC main class | ICM (ICMV) | C07C 67/347 (2006.01) |
51 | IPC secondary class(es) | ICS (ICSV) | C07C 69/716 (2006.01) |
22 | DE application date | DAT | Feb 8, 1993 |
96 | EP application date | EAT | Feb 8, 1993 |
43 | Date of first publication | OT | Aug 25, 1993 |
| Date of publication of grant | PET | May 28, 1997 |
71/73 | Applicant/owner | INH | BASF AG, 67063 Ludwigshafen, DE |
72 | Inventor | IN | Roeper, Michael, Prof. Dr., W-6706 Wachenheim, DE; Lorz, Peter Michael, Dr., W-6800 Mannheim 1, DE; Koeffer, Dieter, Dr., W-6940 Weinheim, DE |
| Address for service | | BASF SE Patentabteilung ZNP - C 6, 67063 Ludwigshafen, DE |
66 66
| Domestic priority | PRN PRD
| 4204808 Feb 18, 1992
|
| Patent division in charge | | 44 |
97 | EP language of publication | ELANG | DE - Deutsch |
84 | Designated EP contracting states | EDS | BE, CH, DE, ES, FR, GB, IT, LI, NL |
| Published EP/WO documents | EPWOPN | Original document:
EP000000556681 Searchable text:
EP000000556681 Original document:
EP000000556681B1 Searchable text:
EP000000556681B1 |
43 | Date of first publication | EVT | Aug 25, 1993 |
| Date of the first transfer into DPMAregister | EREGT | Sep 26, 2012 |
| Date of the (most recent) update in DPMAregister | REGT | Apr 30, 2022 (Show all update days)(Hide all update days)- Apr 30, 2022; Aug 14, 2019; Jul 10, 2019; May 24, 2019; Jan 20, 2013
- Historical data not available for this/these date(s)
- Sep 26, 2012
- Date of the first transfer into DPMAregister
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Procedural dataNo. |
Kind of procedure
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Legal status
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Date of legal/procedural status
![Date of legal/procedural status sorted ascending Date of legal/procedural status sorted ascending](/DPMAregister/assets/ctx/c98f7895/images/icon_arrow_up_new.gif) |
Date of first publication
| Display all details |
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1 |
Procedure relating to EP application
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EPO 1st publication
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Aug 25, 1993
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2 |
Procedure relating to EP application
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EPO publication of search report
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Aug 25, 1993
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3 |
Publications
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Publication of a mention regarding EP 1st publication by DPMA
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Sep 30, 1993
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Sep 30, 1993 |
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4 |
Procedure relating to EP application
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EPO publication of mention regarding patent grant (beginning of opposition period)
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May 28, 1997
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5 |
Publications
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Publication by DPMA of mention regarding EP patent grant
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Jul 3, 1997
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Jul 3, 1997 |
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6 |
Opposition procedure
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Opposition to patent filed
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Mar 2, 1998
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May 28, 1998 |
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7 |
Change of classification
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Change of IPC main class
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Oct 9, 1999
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8 |
Opposition procedure
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Revocation of patent by EPO
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Mar 16, 2004
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9 |
Opposition procedure
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Decision on revocation by EPO has become final
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Mar 16, 2004
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Jul 4, 2019 |
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10 |
Change of classification
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Change of IPC main class
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Oct 17, 2005
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11 |
Publications
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Other <with further information such as lien, etc>
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Aug 14, 2019
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Aug 14, 2019 |
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