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EP0687658
European procedure
Extract from the Register of European Patents
EP About this file: EP0687658
| EP0687658 - Process for the recovery of a strong acid from an aqueous solution [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 27.11.1998 Database last updated on 02.11.2024 | Most recent event Tooltip | 27.11.1998 | No opposition filed within time limit | published on 13.01.1999 [1999/02] | Applicant(s) | For all designated states Haldor Topso̸e A/S Nymollevej 55 2800 Lyngby / DK | [N/P] |
| Former [1995/51] | For all designated states Haldor Topsoe A/S Nymollevej 55 DK-2800 Lyngby / DK | Inventor(s) | 01 /
Hommeltoft, Sven Ivar Pedersborgvej 9 DK-3400 Hillerod / DK | [1995/51] | Representative(s) | Grünecker Patent- und Rechtsanwälte PartG mbB Leopoldstrasse 4 80802 München / DE | [N/P] |
| Former [1997/44] | Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät Maximilianstrasse 58 80538 München / DE | Application number, filing date | 95108171.0 | 29.05.1995 | [1995/51] | Priority number, date | DK19940000673 | 13.06.1994 Original published format: DK 67394 | DK19940000707 | 17.06.1994 Original published format: DK 70794 | [1995/51] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0687658 | Date: | 20.12.1995 | Language: | EN | [1995/51] | Type: | B1 Patent specification | No.: | EP0687658 | Date: | 21.01.1998 | Language: | EN | [1998/04] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 12.09.1995 | Classification | IPC: | C07C2/54, B01J31/40 | [1995/51] | CPC: |
B01J31/0227 (EP);
B01J31/40 (EP);
C07C2/54 (EP);
C07C2/62 (EP);
B01J2231/4205 (EP);
B01J31/0237 (EP);
| Designated contracting states | BE, DE, FR, GB, IT, NL [1995/51] | Title | German: | Verfahren zur Rückgewinnung eines starken Säures aus einer wässrigen Lösung | [1995/51] | English: | Process for the recovery of a strong acid from an aqueous solution | [1995/51] | French: | Procédé pour la récupération d'acide fort à partir d'une solution aqueuse | [1995/51] | Examination procedure | 20.06.1996 | Examination requested [1996/33] | 26.09.1996 | Despatch of a communication from the examining division (Time limit: M04) | 13.01.1997 | Reply to a communication from the examining division | 15.04.1997 | Despatch of communication of intention to grant (Approval: Yes) | 18.07.1997 | Communication of intention to grant the patent | 23.10.1997 | Fee for grant paid | 23.10.1997 | Fee for publishing/printing paid | Opposition(s) | 22.10.1998 | No opposition filed within time limit [1999/02] | Fees paid | Renewal fee | 02.06.1997 | Renewal fee patent year 03 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Documents cited: | Search | [AD]US5220095 (HOMMELTOFT SVEN I [DK], et al) | by applicant | US5220095 |