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EP0084527
European procedure
Extract from the Register of European Patents
EP About this file: EP0084527
| EP0084527 - Process for producing paraphenylenediamine mixtures [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 16.02.1987 Database last updated on 11.04.2026 | Most recent event Tooltip | 16.02.1987 | No opposition filed within time limit | published on 08.04.1987 [1987/15] | Applicant(s) | For all designated states Monsanto Company 800 North Lindbergh Boulevard 40E St. Louis, Missouri 63167 / US | [N/P] |
| Former [1983/30] | For all designated states MONSANTO COMPANY 800 North Lindbergh Boulevard St. Louis, Missouri 63167 / US | Inventor(s) | 01 /
Baclawski, Leona Marie 915 Mull Avenue Akron Ohio 44313 / US | 02 /
Merten, Helmut Ludwig 1660 Mayflower Lane Hudson Ohio 44236 / US | [1983/30] | Representative(s) | Lunt, John Cooper R. 102(1), et al Monsanto Europe S.A. Patent Department Avenue de Tervuren 270-272 Letter Box No 1 B-1150 Brussels / BE | [N/P] |
| Former [1983/30] | Lunt, John Cooper, et al Monsanto Europe S.A. Patent Department Avenue de Tervuren 270-272 Letter Box No 1 B-1150 Brussels / BE | Application number, filing date | 83870004.5 | 14.01.1983 | [1983/30] | Priority number, date | US19820340568 | 18.01.1982 Original published format: US 340568 | [1983/30] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0084527 | Date: | 27.07.1983 | Language: | EN | [1983/30] | Type: | A3 Search report | No.: | EP0084527 | Date: | 03.08.1983 | Language: | EN | [1983/31] | Type: | B1 Patent specification | No.: | EP0084527 | Date: | 16.04.1986 | Language: | EN | [1986/16] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 02.06.1983 | Classification | IPC: | C07C85/08, C07C87/58 | [1983/30] | CPC: |
C07C209/26 (EP)
| Designated contracting states | BE, DE, FR, GB, IT, NL [1983/30] | Title | German: | Verfahren zur Herstellung von Gemischen von Paraphenylendiaminen | [1983/30] | English: | Process for producing paraphenylenediamine mixtures | [1983/30] | French: | Procédé pour la préparation de mélanges de paraphénylènediamines | [1983/30] | Examination procedure | 07.11.1983 | Examination requested [1984/02] | 18.04.1984 | Despatch of a communication from the examining division (Time limit: M04) | 02.08.1984 | Reply to a communication from the examining division | 25.06.1985 | Despatch of communication of intention to grant (Approval: ) | 08.10.1985 | Communication of intention to grant the patent | 25.11.1985 | Fee for grant paid | 25.11.1985 | Fee for publishing/printing paid | Opposition(s) | 17.01.1987 | No opposition filed within time limit [1987/15] | Fees paid | Renewal fee | 19.12.1984 | Renewal fee patent year 03 | 25.11.1985 | Renewal fee patent year 04 |
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