EP0200862 - Use of an iron-chromium-nickel alloy resistant to highly concentrated sulfonic acid and to oleum [Right-click to bookmark this link] | Status | Patent revoked Status updated on 13.03.1998 Database last updated on 20.12.2024 | 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 BAYER AG 51368 Leverkusen / DE | [N/P] |
Former [1986/46] | For all designated states BAYER AG D-51368 Leverkusen / DE | Inventor(s) | 01 /
Diekmann, Helmut, Dipl.-Ing. Bienenhof 4 D-5068 Odenthal / DE | 02 /
Pütz, Günter Bismarckstrasse 193 D-5090 Leverkusen 1 / DE | 03 /
Grabowski, Klaus-Peter Höferhof 7 D-5632 Wermelskirchen 2 / DE | 04 /
Eichenhofer, Kurt Wilhelm, Dr. Paul-Klee-Strasse 52 D-5090 Leverkusen / DE | [1986/46] | Application number, filing date | 86102555.9 | 27.02.1986 | [1986/46] | Priority number, date | DE19853508532 | 09.03.1985 Original published format: DE 3508532 | [1986/46] | Filing language | DE | Procedural language | DE | Publication | Type: | A1 Application with search report | No.: | EP0200862 | Date: | 12.11.1986 | Language: | DE | [1986/46] | Type: | B1 Patent specification | No.: | EP0200862 | Date: | 01.06.1988 | Language: | DE | [1988/22] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 22.08.1986 | Classification | IPC: | C22C19/05, C22C30/00, C01B17/80, C01B17/88 | [1986/46] | CPC: |
F28F21/082 (EP);
C22C38/40 (EP)
| Designated contracting states | AT, BE, CH, DE, FR, GB, IT, LI, NL, SE [1986/46] | Title | German: | Verwendung einer gegen hochkonzentrierte Schwefelsäure und Oleum beständigen Eisen-Chrom-Nickel-Legierung | [1986/46] | English: | Use of an iron-chromium-nickel alloy resistant to highly concentrated sulfonic acid and to oleum | [1986/46] | French: | Application d'un alliage fer-chrome-nickel résistant à l'acide sulfurique hautement concentré et à l'oléum | [1986/46] | Examination procedure | 27.02.1986 | Examination requested [1986/46] | 17.11.1987 | Despatch of communication of intention to grant (Approval: Yes) | 03.12.1987 | Communication of intention to grant the patent | 09.01.1988 | Fee for grant paid | 09.01.1988 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
22.02.1989
22.03.1989
ADMISSIBLE Monsanto Company P.O.Box 7020 St.Louis, Missouri 63166-7020 / US Opponent's representative Ter Meer Steinmeister & Partner Patentanwälte mbB Nymphenburger Strasse 4 80335 München / DE | [N/P] |
Former [1989/17] | |||
Opponent(s) | 01
22.02.1989
22.03.1989
ADMISSIBLE Monsanto Company P.O.Box 7020 St.Louis, Missouri 63166-7020 / US Opponent's representative TER MEER - MÜLLER - STEINMEISTER & PARTNER Mauerkircherstrasse 45 D-81679 München / DE | 05.04.1989 | Invitation to proprietor to file observations on the notice of opposition | 25.07.1989 | Reply of patent proprietor to notice(s) of opposition | 02.08.1989 | Communication of observations of patent proprietor (Time limit: M06) | 31.01.1990 | Reply of parties involved to observations of patent proprietor | 06.03.1991 | Date of oral proceedings | 11.04.1991 | Despatch of a communication from the opposition division (Time limit: M04) | 11.04.1991 | Despatch of minutes of oral proceedings | 22.05.1991 | Reply to a communication from the opposition division | 11.12.1991 | Despatch of a communication from the opposition division (Time limit: M02) | 10.01.1992 | Reply to a communication from the opposition division | 25.06.1992 | Despatch of interlocutory decision in opposition | 05.07.1992 | Legal effect of interlocutory decision in opposition | 26.11.1997 | Despatch of communication that the patent will be revoked | 06.12.1997 | Legal effect of revocation of patent [1998/18] | Appeal following opposition | 09.07.1992 | Appeal received No. T0634/92 | 19.10.1992 | Statement of grounds filed | 25.02.1997 | Result of appeal procedure: appeal of the proprietor was rejected | 05.11.1996 | Date of oral proceedings | 11.11.1996 | Minutes of the oral proceedings despatched | Fees paid | Renewal fee | 21.01.1988 | 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. | Lapses during opposition Tooltip | deleted | [2015/21] |
Former [2000/52] | CH | 01.06.1988 | |
LI | 01.06.1988 | Documents cited: | Search | [A]US3649187 (FISHER ARTHUR ORMAN); | [AD]DE2154126 (CHAS S LEWIS U CO INC); | [A]US3844774 (CULLING J); | [A]US3947266 (CULLING JOHN H); | [A]US4329173 (CULLING JOHN H) | [A] - CHEMICAL ABSTRACTS, Band 79, Nr. 8, 27. August 1973, Seiten 142-143, Nr. 44791u, Columbus, Ohio, US; L.A. POLUBOYARTSEVA et al.: "Corrosion resistance of 1Kh18N10T chromium-nickel-titanium steel in fuming sulfuric acid", & KHIM. PROM. (MOSCOW) 1973, 49(5), Seiten 372-373 | [A] - CHEMICAL ABSTRACTS, Band 100, Nr. 26, 25. Juni 1984, Seite 256, Nr. 214150f, Columbus, Ohio, US; E.M. SAVITSKII et al.: "Oxidation-resistant materials for sulfuric acid-cycle reactors for hydrogen production", & ISSLED. PRIMEN. SPLAVOV TUGOPLAVKIKH MET.,1983, Seiten 144-146 | Examination | EP0130967 | EP0181313 | - Perry's Chemical Engineers Handbook, 6. Auflage, 1984, Seiten 23-44 | - Preisliste der Carpenter Technology Corporation, 14.Januar,1985 |