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EP0033780
European procedure
Extract from the Register of European Patents
EP About this file: EP0033780
| EP0033780 - Method for preventing slopping during subsurface pneumatic refining of steel [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 13.10.1990 Database last updated on 03.09.2024 | Most recent event Tooltip | 05.10.2005 | Change: Appeal number | Applicant(s) | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | [N/P] |
| Former [1981/33] | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | Inventor(s) | 01 /
Bury, Roland Paul 573 Nalinnes Street B-6001 Marcinelle / BE | 02 /
Mehlman, Steward Keeney 177 White Plains Road Tarrytown (10591) / US | 03 /
Andreini, Rockne James 111 West 74th Street New York N.Y. 10023 / US | [1981/33] | Representative(s) | Schwan, Gerhard Schwan Schwan Schorer Patentanwälte Bauerstrasse 22 80796 München / DE | [N/P] |
| Former [1981/33] | Schwan, Gerhard, Dipl.-Ing. Elfenstrasse 32 D-81739 München / DE | Application number, filing date | 80108124.1 | 23.12.1980 | [1981/33] | Priority number, date | US19790107535 | 27.12.1979 Original published format: US 107535 | [1981/33] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0033780 | Date: | 19.08.1981 | Language: | EN | [1981/33] | Type: | B1 Patent specification | No.: | EP0033780 | Date: | 09.10.1985 | Language: | EN | [1985/41] | Type: | B2 New European patent specification | No.: | EP0033780 | Date: | 28.11.1990 | Language: | EN | [1990/48] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 04.06.1981 | Classification | IPC: | C21C5/34 | [1981/33] | CPC: |
C21C7/0685 (EP,US);
C21C7/00 (EP,KR,US);
C21C5/35 (EP,US);
C21C7/06 (EP,US);
C21C7/068 (EP,US)
| Designated contracting states | BE, CH, DE, FR, GB, IT, LI, SE [1981/33] | Title | German: | Verfahren zur Auswurfverminderung beim Frischen im bodenblasenden Konverter | [1981/33] | English: | Method for preventing slopping during subsurface pneumatic refining of steel | [1981/33] | French: | Procédé pour réduire des projections dans un convertisseur à soufflage par le fond | [1981/33] | Examination procedure | 30.10.1981 | Examination requested [1982/02] | 06.07.1983 | Despatch of a communication from the examining division (Time limit: M06) | 16.01.1984 | Reply to a communication from the examining division | 18.05.1984 | Despatch of a communication from the examining division (Time limit: M02) | 12.07.1984 | Reply to a communication from the examining division | 07.01.1985 | Despatch of communication of intention to grant (Approval: ) | 01.04.1985 | Communication of intention to grant the patent | 22.05.1985 | Fee for grant paid | 22.05.1985 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
08.07.1986
28.08.1986
ADMISSIBLE Klöckner CRA Technologie GmbH Klöcknerstrasse 29 D-4100 Duisburg 1 / DE Opponent's representative König, Reimar König-Szynka-Tilmann-von Renesse Patentanwälte Partnerschaft mbB Postfach 11 09 46 40509 Düsseldorf / DE | [N/P] |
| Former [1986/35] | |||
| Opponent(s) | 01
08.07.1986
28.08.1986
ADMISSIBLE Klöckner CRA Technologie GmbH Klöcknerstrasse 29 D-4100 Duisburg 1 / DE Opponent's representative König, Reimar, Dr.-Ing. Patentanwälte Dr.-Ing. Reimar König Dipl.-Ing. Klaus Bergen Wilhelm-Tell-Strasse 14 Postfach 260254 D-40095 Düsseldorf / DE | 29.08.1986 | Invitation to proprietor to file observations on the notice of opposition | 03.12.1986 | Reply of patent proprietor to notice(s) of opposition | 16.12.1986 | Communication of observations of patent proprietor (Time limit: M02) | 17.02.1987 | Reply of parties involved to observations of patent proprietor | 11.12.1987 | Despatch of a communication from the opposition division (Time limit: M04) | 19.04.1988 | Reply to a communication from the opposition division | 25.10.1988 | Despatch of interlocutory decision in opposition | 22.03.1990 | Legal effect of interlocutory decision in opposition | 29.06.1990 | Despatch of communication that the patent will be maintained as amended | 30.08.1990 | Fee for printing new specification paid | Appeal following opposition | 29.12.1988 | Appeal received No. T0019/89 | 03.03.1989 | Statement of grounds filed | 22.03.1990 | Result of appeal procedure: maintenance in amended form | 22.03.1990 | Date of oral proceedings | 27.03.1990 | Minutes of the oral proceedings despatched | Fees paid | Renewal fee | 17.09.1982 | Renewal fee patent year 03 | 12.09.1983 | Renewal fee patent year 04 | 07.09.1984 | Renewal fee patent year 05 |
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