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EP0225793
European procedure
Extract from the Register of European Patents
EP About this file: EP0225793
| EP0225793 - Use of ion exchange resin mixtures in cation exchange processes [Right-click to bookmark this link] | |||
| Former [1987/25] | Ion exchange resin mixtures and their use in cation exchange processes | ||
| [1991/06] | Status | Patent revoked Status updated on 28.11.1994 Database last updated on 03.04.2025 | Most recent event Tooltip | 17.04.2015 | Change - lapse in a contracting state State(s) deleted from list of lapses: CH, LI | published on 20.05.2015 [2015/21] | Applicant(s) | For all designated states ROHM AND HAAS COMPANY Independence Mall West Philadelphia Pennsylvania 19105 / US | [N/P] |
| Former [1987/25] | For all designated states ROHM AND HAAS COMPANY Independence Mall West Philadelphia Pennsylvania 19105 / US | Inventor(s) | 01 /
Prunac, Alain Denis Louis 92 Rue de Cornouailles F-78180 Montigny-Le-Bretonneux / FR | 02 /
Baur, Daniel Michel 487 Chemin des Pertuades 06220 Golfe Juan / FR | 03 /
Poirson, Jean Pierre Marcel Clos de Mougins 107/2 Impasse Des Chenes F-06250 Mougins / FR | [1987/25] | Representative(s) | Angell, David Whilton ROHM AND HAAS European Operations Patent Department Lennig House 2 Mason's Avenue Croydon CR9 3NB / GB | [N/P] |
| Former [1987/25] | Angell, David Whilton ROHM AND HAAS European Operations Patent Department Lennig House 2 Mason's Avenue Croydon CR9 3NB / GB | Application number, filing date | 86309492.6 | 05.12.1986 | [1987/25] | Priority number, date | GB19850030275 | 09.12.1985 Original published format: GB 8530275 | [1987/25] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0225793 | Date: | 16.06.1987 | Language: | EN | [1987/25] | Type: | A3 Search report | No.: | EP0225793 | Date: | 21.10.1987 | Language: | EN | [1987/43] | Type: | B1 Patent specification | No.: | EP0225793 | Date: | 06.02.1991 | Language: | EN | [1991/06] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.09.1987 | Classification | IPC: | B01J47/04 | [1987/25] | CPC: |
B01J47/04 (EP);
B01J43/00 (KR)
| Designated contracting states | AT, BE, CH, DE, ES, FR, GB, IT, LI, NL, SE [1987/25] | Title | German: | Verwendung von Ionenaustauscherharzmischungen in Kationenaustauschverfahren | [1991/06] | English: | Use of ion exchange resin mixtures in cation exchange processes | [1991/06] | French: | Utilisation de mélanges de résines échangeuses d'ions dans des procédés d'échanges cationiques | [1991/06] |
| Former [1987/25] | Ionenaustauscherharzmischungen und deren Verwendung in Kationenaustauschverfahren | ||
| Former [1987/25] | Ion exchange resin mixtures and their use in cation exchange processes | ||
| Former [1987/25] | Mélanges de résines échangeuses d'ions et leur utilisation dans des procédés d'échanges cationiques | Examination procedure | 15.06.1987 | Examination requested [1987/34] | 22.02.1989 | Despatch of a communication from the examining division (Time limit: M06) | 14.08.1989 | Reply to a communication from the examining division | 16.11.1989 | Despatch of a communication from the examining division (Time limit: M04) | 30.01.1990 | Reply to a communication from the examining division | 26.03.1990 | Despatch of communication of intention to grant (Approval: No) | 17.05.1990 | Despatch of communication of intention to grant (Approval: later approval) | 07.06.1990 | Communication of intention to grant the patent | 02.07.1990 | Fee for grant paid | 02.07.1990 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
06.06.1991
06.08.1991
ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE | [N/P] |
| Former [1991/34] | |||
| Opponent(s) | 01
06.06.1991
06.08.1991
ADMISSIBLE Bayer AG, Leverkusen Konzernverwaltung RP Patente Konzern Bayerwerk D-51368 Leverkusen / DE | 12.12.1991 | Invitation to proprietor to file observations on the notice of opposition | 17.06.1992 | Reply of patent proprietor to notice(s) of opposition | 11.01.1993 | Date of oral proceedings | 16.03.1993 | Despatch of a communication from the opposition division (Time limit: M02) | 16.03.1993 | Despatch of minutes of oral proceedings | 01.04.1993 | Reply to a communication from the opposition division | 16.11.1993 | Despatch of interlocutory decision in opposition | 10.11.1994 | Despatch of communication that the patent will be revoked | 28.11.1994 | Legal effect of revocation of patent [1995/03] | Appeal following opposition | 20.12.1993 | Appeal received No. T1061/93 | 10.03.1994 | Statement of grounds filed | 10.11.1994 | Result of appeal procedure: REVOCATION OF PATENT AT PROPRIETOR'S REQUEST | Fees paid | Renewal fee | 24.11.1988 | Renewal fee patent year 03 | 21.11.1989 | Renewal fee patent year 04 | 19.11.1990 | Renewal fee patent year 05 |
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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 | deleted | [2015/21] |
| Former [1995/17] | CH | 06.02.1991 | |
| LI | 06.02.1991 | Documents cited: | Search | [A]GB670350 (ROHM & HAAS); | [A]US2962438 (SMITH VERITY C); | [A]US3250702 (LEVENDUSKY JOSEPH A); | [A]US4252905 (BASS WALTER C); | [A]DE3248126 (ALHAEUSER ERICH) |