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EP0137916
European procedure
Extract from the Register of European Patents
EP About this file: EP0137916
| EP0137916 - Process for controlling pearl dimensions in the preparation of expandable styrene polymers by suspension polymerization [Right-click to bookmark this link] | Status | Opposition procedure closed Status updated on 19.08.1992 Database last updated on 02.11.2024 | Most recent event Tooltip | 01.06.1995 | Lapse of the patent in a contracting state | published on 19.07.1995 [1995/29] | Applicant(s) | For all designated states HÜLS AKTIENGESELLSCHAFT 45764 Marl / DE | [N/P] |
| Former [1993/45] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | ||
| Former [1985/46] | For all designated states HÜLS AKTIENGESELLSCHAFT D-45764 Marl / DE | ||
| Former [1985/17] | For all designated states CHEMISCHE WERKE HÜLS AG - RSP Patente / PB 15 - D-45764 Marl / DE | Inventor(s) | 01 /
Rigler, Josef Karl, Dr. Helgolandstrasse 16 D-4350 Recklinghausen / DE | 02 /
Leithäuser, Horst, Dr. Langehegge 151 D-4370 Marl / DE | [1985/17] | Application number, filing date | 84107706.8 | 03.07.1984 | [1985/17] | Priority number, date | DE19833331570 | 01.09.1983 Original published format: DE 3331570 | [1985/17] | Filing language | DE | Procedural language | DE | Publication | Type: | A2 Application without search report | No.: | EP0137916 | Date: | 24.04.1985 | Language: | DE | [1985/17] | Type: | A3 Search report | No.: | EP0137916 | Date: | 22.01.1986 | Language: | DE | [1986/04] | Type: | B1 Patent specification | No.: | EP0137916 | Date: | 21.09.1988 | Language: | DE | [1988/38] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 21.11.1985 | Classification | IPC: | C08F2/18, C08J9/20, C08F12/08 | [1985/17] | CPC: |
C08J9/20 (EP,US);
C08J2325/04 (EP,US);
Y10S264/05 (EP,US);
Y10S264/09 (EP,US);
Y10S264/15 (EP,US)
| Designated contracting states | BE, DE, FR, GB, IT, NL, SE [1985/17] | Title | German: | Verfahren zum Steuern der Grösse der Perlen bei der Herstellung von expandierbaren Styrolpolymerisaten durch Suspensionspolymerisation | [1985/17] | English: | Process for controlling pearl dimensions in the preparation of expandable styrene polymers by suspension polymerization | [1985/28] | French: | Procédé pour maîtriser les dimensions des perles pendant la préparation de polymères de styrène expansibles par polymérisation en suspension | [1985/28] | Examination procedure | 20.03.1986 | Examination requested [1986/22] | 05.09.1986 | Despatch of a communication from the examining division (Time limit: M04) | 08.01.1987 | Reply to a communication from the examining division | 07.04.1987 | Despatch of a communication from the examining division (Time limit: M04) | 26.06.1987 | Reply to a communication from the examining division | 29.07.1987 | Despatch of a communication from the examining division (Time limit: M04) | 21.11.1987 | Reply to a communication from the examining division | 21.01.1988 | Despatch of communication of intention to grant (Approval: No) | 11.02.1988 | Despatch of communication of intention to grant (Approval: later approval) | 16.02.1988 | Communication of intention to grant the patent | 26.03.1988 | Fee for grant paid | 26.03.1988 | Fee for publishing/printing paid | Opposition(s) | Opponent(s) | 01
21.06.1989
11.08.1989
ADMISSIBLE Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 Nl-2596 HR 's-Gravenhage / NL Opponent's representative Aalbers, Onno P.O. Box 162 2501 AN Den Haag / NL | [N/P] |
| Former [1989/37] | |||
| Opponent(s) | 01
21.06.1989
11.08.1989
ADMISSIBLE Shell Internationale Research Maatschappij B.V. Carel van Bylandtlaan 30 Nl-2596 HR 's-Gravenhage / NL Opponent's representative Aalbers, Onno P.O. Box 162 NL-2501 AN The Hague / NL | 05.09.1989 | Invitation to proprietor to file observations on the notice of opposition | 28.11.1989 | Reply of patent proprietor to notice(s) of opposition | 10.01.1990 | Communication of observations of patent proprietor (Time limit: M02) | 06.03.1990 | Reply of parties involved to observations of patent proprietor | 02.01.1991 | Despatch of a communication from the opposition division (Time limit: M04) | 08.05.1991 | Reply to a communication from the opposition division | 08.05.1992 | Despatch of communication that the opposition procedure will be closed | 18.05.1992 | Legal effect of closure of opposition procedure [1992/41] | Fees paid | Renewal fee | 21.06.1986 | Renewal fee patent year 03 | 23.06.1987 | Renewal fee patent year 04 | 04.07.1988 | 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. | Documents cited: | Search | [Y]DE1237199 (ATOMIC ENERGY AUTHORITY UK); | [Y]US3192169 (DOAK KENNETH W); | [Y]FR2114695 (HOECHST AG); | [Y]DE1494934 (BASF AG); | [Y]FR1461145 (BASF AG); | [Y]DE1745072 (MONSANTO CHEMICALS); | [A]DE2638839 (BASF AG); | [A]DE1151117 (BASF AG); | [A]GB1038673 (BASF AG); | [A]FR1360627 (BASF AG); | [A]GB1049144 (BASF AG) | Examination | - Methoden der Organischen Chemie Houben-Weyl, XIV/1, Seite 421, Zeilen 10-12; S. 424, 3 letzter Abschnitt |