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EP0093434
European procedure
Extract from the Register of European Patents
EP About this file: EP0093434
| EP0093434 - Preparation of polyalkylene polyamines [Right-click to bookmark this link] | Status | Patent maintained as amended Status updated on 09.07.1993 Database last updated on 23.11.2024 | Most recent event Tooltip | 13.11.2009 | Change - representative | published on 16.12.2009 [2009/51] | Applicant(s) | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | [N/P] |
| Former [1983/45] | For all designated states UNION CARBIDE CORPORATION 39 Old Ridgebury Road Danbury Connecticut 06817 / US | Inventor(s) | 01 /
Herdle, William Bruce 101 South Road Greenburgh New York 10603 / US | [1983/45] | Representative(s) | Freiherr von Pechmann, Eckehart, et al Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 81541 München / DE | [2009/51] |
| Former [1992/51] | Freiherr von Pechmann, Eckehart, Dr. Dipl.-Chem., et al Wuesthoff & Wuesthoff Patent-und Rechtsanwälte Schweigerstrasse 2 D-81541 München / DE | ||
| Former [1983/45] | Wuesthoff, Franz, Dr.-Ing. Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2 D-81541 München / DE | Application number, filing date | 83104238.7 | 29.04.1983 | [1983/45] | Priority number, date | US19820373726 | 30.04.1982 Original published format: US 373726 | [1983/45] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0093434 | Date: | 09.11.1983 | Language: | EN | [1983/45] | Type: | A3 Search report | No.: | EP0093434 | Date: | 10.04.1985 | Language: | EN | [1985/15] | Type: | B1 Patent specification | No.: | EP0093434 | Date: | 13.08.1986 | Language: | EN | [1986/33] | Type: | B2 New European patent specification | No.: | EP0093434 | Date: | 25.08.1993 | Language: | EN | [1993/34] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 07.02.1985 | Classification | IPC: | C07C209/16 | [1993/34] | CPC: |
C07C209/16 (EP);
C08G73/0213 (EP)
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| Former IPC [1985/14] | C07C85/06 | ||
| Former IPC [1983/45] | C08G73/02 | Designated contracting states | BE, DE, FR, GB, IT, SE [1983/45] | Title | German: | Herstellung von Polyalkylenpolyaminen | [1983/45] | English: | Preparation of polyalkylene polyamines | [1983/45] | French: | Préparation de polyalkylène polyamines | [1983/45] | Examination procedure | 10.05.1985 | Examination requested [1985/30] | 09.12.1985 | Despatch of communication of intention to grant (Approval: ) | 18.02.1986 | Communication of intention to grant the patent | 16.05.1986 | Fee for grant paid | 16.05.1986 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
28.04.1987
26.05.1987
ADMISSIBLE Hüls Aktiengesellschaft Patentabteilung/PB 15 D-45764 Marl / DE | [1987/26] | 26.01.1988 | Invitation to proprietor to file observations on the notice of opposition | 08.09.1988 | Reply of patent proprietor to notice(s) of opposition | 16.09.1988 | Communication of observations of patent proprietor (Time limit: M02) | 15.10.1988 | Reply of parties involved to observations of patent proprietor | 24.07.1992 | Despatch of a communication from the opposition division (Time limit: M02) | 24.08.1992 | Reply to a communication from the opposition division | 21.12.1992 | Despatch of interlocutory decision in opposition | 31.12.1992 | Legal effect of interlocutory decision in opposition | 26.03.1993 | Despatch of communication that the patent will be maintained as amended | 16.06.1993 | Fee for printing new specification paid | Appeal following opposition | 02.01.1990 | Appeal received No. T0023/90 | 13.02.1990 | Statement of grounds filed | 18.09.1991 | Result of appeal procedure: maintenance in amended form | 18.09.1991 | Date of oral proceedings | 01.10.1991 | Minutes of the oral proceedings despatched | Fees paid | Renewal fee | 11.03.1985 | Renewal fee patent year 03 | 24.03.1986 | Renewal fee patent year 04 |
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