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EP0232302
European procedure
Extract from the Register of European Patents
EP About this file: EP0232302
| EP0232302 - CLARIFICATION OF BAYER PROCESS LIQUORS [Right-click to bookmark this link] | Status | Patent revoked Status updated on 28.07.1995 Database last updated on 03.04.2025 | Most recent event Tooltip | 22.08.2008 | Change - opposition data/opponents data or that of the opponents representative | published on 24.09.2008 [2008/39] | Applicant(s) | For all designated states Ciba Specialty Chemicals Water Treatments Limited P.O. Box 38, Low Moor Bradford West Yorkshire BD12 0JZ / GB | [N/P] |
| Former [1987/34] | For all designated states ALLIED COLLOIDS LIMITED P.O. Box 38, Low Moor Bradford, West Yorkshire BD12 0JZ / GB | Inventor(s) | 01 /
FIELD, John, Rodney 2 Leyburn Avenue Hipperholme Halifax West Yorkshire / GB | 02 /
MOODY, Gillian, Mary 106 Granny Hall Lane Brighouse West Yorkshire / GB | 03 /
HUNTER, Trevor, Keith "Fieldhead" Burley Woodhead Ilkley West Yorkshire / GB | [1987/34] | Representative(s) | Lawrence, Peter Robin Broughton, et al Gill Jennings & Every LLP Broadgate House 7 Eldon Street London EC2M 7LH / GB | [N/P] |
| Former [1987/34] | Lawrence, Peter Robin Broughton, et al GILL JENNINGS & EVERY, Broadgate House, 7 Eldon Street London EC2M 7LH / GB | Application number, filing date | 86904301.8 | 17.07.1986 | [1987/34] | WO1986GB00417 | Priority number, date | GB19850019107 | 29.07.1985 Original published format: GB 8519107 | [1987/34] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8700825 | Date: | 12.02.1987 | Language: | EN | [1987/04] | Type: | A1 Application with search report | No.: | EP0232302 | Date: | 19.08.1987 | Language: | EN | The application published by WIPO in one of the EPO official languages on 12.02.1987 takes the place of the publication of the European patent application. | [1987/34] | Type: | B1 Patent specification | No.: | EP0232302 | Date: | 20.09.1989 | Language: | EN | [1989/38] | Search report(s) | International search report - published on: | EP | 12.02.1987 | Classification | IPC: | C01F7/06, C01F7/46 | [1987/34] | CPC: |
C01F7/47 (EP,US)
| Designated contracting states | DE, FR, GB, IT, NL [1987/34] | Title | German: | KLÄREN VON LÖSUNGEN DES BAYER-VERFAHRENS | [1987/34] | English: | CLARIFICATION OF BAYER PROCESS LIQUORS | [1987/34] | French: | CLARIFICATION DE LIQUEURS OBTENUES PAR LE PROCEDE BAYER | [1987/34] | Entry into regional phase | 23.04.1987 | National basic fee paid | 23.04.1987 | Designation fee(s) paid | 23.04.1987 | Examination fee paid | Examination procedure | 23.04.1987 | Examination requested [1987/34] | 12.10.1988 | Despatch of communication of intention to grant (Approval: Yes) | 21.02.1989 | Communication of intention to grant the patent | 11.05.1989 | Fee for grant paid | 11.05.1989 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
19.06.1990
10.07.1990
ADMISSIBLE SNF Floerger 41, Rue Jean-Huss F-42028 Saint-Etienne Cedex / FR Opponent's representative Maiwald, Walter Maiwald GmbH Elisenhof Elisenstraße 3 80335 München / DE | [N/P] |
| Former [2008/39] | |||
| Opponent(s) | 01
19.06.1990
10.07.1990
ADMISSIBLE SNF Floerger 41, Rue Jean-Huss F-42028 Saint-Etienne Cedex / FR Opponent's representative Maiwald, Walter Maiwald Patentanwalts GmbH Elisenhof Elisenstrasse 3 80335 München / DE | ||
| Former [1990/33] | |||
| Opponent(s) | 01
19.06.1990
10.07.1990
ADMISSIBLE SNF Floerger 41, Rue Jean-Huss F-42028 Saint-Etienne Cedex / FR Opponent's representative Maiwald, Walter, Dr. Maiwald & Partner, Postfach 15 13 09 D-80337 München / DE | 29.06.1990 | No. 01: Notification indicating deficiencies in the notice of opposition | 02.07.1990 | No. 01: Reply to notification indicating deficiencies in the notice of opposition | 01.08.1990 | Invitation to proprietor to file observations on the notice of opposition | 07.12.1990 | Reply of patent proprietor to notice(s) of opposition | 13.12.1990 | Communication of observations of patent proprietor (Time limit: M02) | 19.02.1991 | Reply of parties involved to observations of patent proprietor | 29.04.1991 | Despatch of a communication from the opposition division (Time limit: M04) | 09.08.1991 | Reply to a communication from the opposition division | 19.02.1992 | Date of oral proceedings | 05.05.1992 | Despatch of minutes of oral proceedings | 05.05.1992 | Date of despatch of rejection of opposition | 09.07.1992 | Legal effect of rejection of opposition [1992/44] | 31.08.1994 | Despatch of communication that the patent will be revoked | 10.09.1994 | Legal effect of revocation of patent [1995/38] | Appeal following opposition | 09.07.1992 | Appeal received No. T0626/92 | 11.09.1992 | Statement of grounds filed | 08.09.1994 | Result of appeal procedure: revocation of the patent | Fees paid | Renewal fee | 13.07.1988 | Renewal fee patent year 03 | 10.07.1989 | 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 | NL | 20.09.1989 | [1990/27] | Cited in | International search | FR2517314 [ ] (BUCKMAN LABOR INC [US]); | US4396752 [ ] (CABESTANY JEAN [FR], et al); | US4578255 [ ] (ROE WILLIAM J [US], et al) |