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EP0546400
European procedure
Extract from the Register of European Patents
EP About this file: EP0546400
| EP0546400 - A process for preparing polyamines and polyisocyanates [Right-click to bookmark this link] | Status | Patent revoked Status updated on 27.03.1998 Database last updated on 16.11.2024 | Most recent event Tooltip | 17.02.2006 | Change - lapse in a contracting state Updated state(s): FR | published on 05.04.2006 [2006/14] | Applicant(s) | For all designated states BAYER CORPORATION One Mellon Center 500 Grant Street Pittsburgh, PA 15219-2502 / US | [N/P] |
| Former [1995/29] | For all designated states Bayer Corporation One Mellon Center 500 Grant Street Pittsburgh, PA 15219-2502 / US | ||
| Former [1995/28] | For all designated states MILES INC. One Mellon Center 500 Grant St. Pittsburgh, PA 15219-2502 / US | ||
| Former [1995/26] | For all designated states Bayer Corporation One Mellon Center 500 Grant Street Pittsburgh, PA 15219-2502 / US | ||
| Former [1993/24] | For all designated states MILES INC. One Mellon Center 500 Grant St. Pittsburgh, PA 15219-2502 / US | Inventor(s) | 01 /
Schilling, Steven Lyle 4 Michelle Ct., Darwood Estate Glen Dale, WV 26038 / US | 02 /
Blue, Clarence D. Gneisenaustrasse 20 W-4047 Dormagen 1 / DE | 03 /
Adkins, Ricky L. 98 Anson Street New Martinsville, WV 26155 / US | [1993/24] | Representative(s) | Müller, Gerhard, et al Bayer AG Konzernzentrale RP Patente Konzern 51368 Leverkusen / DE | [N/P] |
| Former [1995/26] | Müller, Gerhard, Dr., et al Bayer AG Konzernzentrale RP Patente Konzern D-51368 Leverkusen / DE | ||
| Former [1993/24] | Müller, Gerhard, Dr. BAYER AG Konzernverwaltung RP Patente Konzern D-51368 Leverkusen / DE | Application number, filing date | 92120306.3 | 27.11.1992 | [1993/24] | Priority number, date | US19910805400 | 10.12.1991 Original published format: US 805400 | [1993/24] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0546400 | Date: | 16.06.1993 | Language: | EN | [1993/24] | Type: | A3 Search report | No.: | EP0546400 | Date: | 01.09.1993 | Language: | EN | [1993/35] | Type: | B1 Patent specification | No.: | EP0546400 | Date: | 14.08.1996 | Language: | EN | [1996/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 14.07.1993 | Classification | IPC: | C08G18/76, C08G18/32, C07C263/10, C08G73/02 | [1993/33] | CPC: |
C08G73/0266 (EP);
C07C263/10 (EP);
C08G18/7664 (EP)
| C-Set: |
C07C263/10, C07C265/14 (EP)
|
| Former IPC [1993/24] | C07C263/10, C08G18/32, C08G18/76, C08G73/02 | Designated contracting states | BE, DE, ES, FR, GB, IT, NL, PT [1993/24] | Title | German: | Verfahren zur Herstellung von Polyaminen und Polyisocyanaten | [1993/24] | English: | A process for preparing polyamines and polyisocyanates | [1993/24] | French: | Procédé pour la préparation de polyamines et de polyisocyanates | [1993/24] | Examination procedure | 30.09.1993 | Examination requested [1993/47] | 22.06.1995 | Despatch of a communication from the examining division (Time limit: M06) | 07.11.1995 | Reply to a communication from the examining division | 31.01.1996 | Despatch of communication of intention to grant (Approval: Yes) | 16.02.1996 | Communication of intention to grant the patent | 15.04.1996 | Fee for grant paid | 15.04.1996 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
18.04.1997
ADMISSIBLE BASF Aktiengesellschaft -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | [N/P] |
| Former [1997/24] | |||
| Opponent(s) | 01
18.04.1997
ADMISSIBLE BASF Aktiengesellschaft, Ludwigshafen -Patentabteilung - C6- Carl-Bosch-Strasse 38 D-67056 Ludwigshafen / DE | 19.06.1997 | Invitation to proprietor to file observations on the notice of opposition | 06.10.1997 | Reply of patent proprietor to notice(s) of opposition | 16.12.1997 | Despatch of communication that the patent will be revoked | 26.12.1997 | Legal effect of revocation of patent [1998/20] | Fees paid | Renewal fee | 13.10.1994 | Renewal fee patent year 03 | 16.10.1995 | Renewal fee patent year 04 |
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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. | Lapses during opposition Tooltip | FR | 14.08.1996 | [2006/14] |
| Former [1997/32] | FR | 10.01.1997 | Documents cited: | Search | [AD]EP0283757 (DOW CHEMICAL CO [US]); | [AD]EP0114970 | Examination | US4226737 |