EP0534436 - Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 20.06.1997 Database last updated on 24.08.2024 | Most recent event Tooltip | 07.12.2007 | Lapse of the patent in a contracting state New state(s): ES | published on 09.01.2008 [2008/02] | Applicant(s) | For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | [N/P] |
Former [1993/13] | For all designated states Shin-Etsu Chemical Co., Ltd. 6-1, Otemachi 2-chome Chiyoda-ku Tokyo 100 / JP | Inventor(s) | 01 /
Usuki, Masahiro 3-3-24, Shittechuo Kamisu-machi, Kashima-gun, Ibaraki-ken / JP | 02 /
Ueno, Susumu 3-9809-7, Doaihon-cho Hazaki-machi, Kashima-gun, Ibaraki-ken / JP | [1993/13] | Representative(s) | von Füner, Alexander, et al v. Füner Ebbinghaus Finck Hano Mariahilfplatz 2 & 3 81541 München / DE | [N/P] |
Former [1993/13] | von Füner, Alexander, Dr., et al Patentanwälte v. Füner, Ebbinghaus, Finck Mariahilfplatz 2 & 3 D-81541 München / DE | Application number, filing date | 92116378.8 | 24.09.1992 | [1993/13] | Priority number, date | JP19910271948 | 24.09.1991 Original published format: JP 27194891 | JP19910271949 | 24.09.1991 Original published format: JP 27194991 | [1993/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0534436 | Date: | 31.03.1993 | Language: | EN | [1993/13] | Type: | B1 Patent specification | No.: | EP0534436 | Date: | 14.08.1996 | Language: | EN | [1996/33] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 19.01.1993 | Classification | IPC: | C08F2/00, C08K5/18 | [1993/13] | CPC: |
C08F2/004 (EP,US);
C08F2/00 (KR)
| Designated contracting states | BE, DE, ES, FR, GB, GR, IT, NL, PT, SE [1993/13] | Title | German: | Mittel zur Verhinderung von Polymerablagerungen, Polymerisationsreaktor bei dem Polymerablagerungen verhindert werden und Verfahren zur Herstellung von Polymer durch Benutzung dieses Reaktors | [1993/13] | English: | Polymer scale preventive agent, polymerization vessel effective in preventing polymer scale deposition, and process of producing polymer using said vessel | [1993/13] | French: | Agent anti-dépôt de polymères, réacteur de polymérisation susceptible de prévenir le dépôt de polymères, et procédé de polymérisation utilisant ce réacteur | [1993/13] | Examination procedure | 24.09.1993 | Examination requested [1993/46] | 09.02.1995 | Despatch of a communication from the examining division (Time limit: M06) | 14.08.1995 | Reply to a communication from the examining division | 10.11.1995 | Despatch of communication of intention to grant (Approval: Yes) | 15.02.1996 | Communication of intention to grant the patent | 15.04.1996 | Fee for grant paid | 15.04.1996 | Fee for publishing/printing paid | Opposition(s) | 15.05.1997 | No opposition filed within time limit [1997/32] | Fees paid | Renewal fee | 28.09.1994 | Renewal fee patent year 03 | 28.09.1995 | Renewal fee patent year 04 |
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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 | BE | 14.08.1996 | ES | 14.08.1996 | GR | 14.08.1996 | IT | 14.08.1996 | GB | 14.11.1996 | SE | 14.11.1996 | DE | 15.11.1996 | [2002/25] |
Former [2000/05] | BE | 14.08.1996 | |
GR | 14.08.1996 | ||
IT | 14.08.1996 | ||
GB | 14.11.1996 | ||
SE | 14.11.1996 | ||
DE | 15.11.1996 | ||
Former [1999/42] | BE | 14.08.1996 | |
IT | 14.08.1996 | ||
GB | 14.11.1996 | ||
SE | 14.11.1996 | ||
DE | 15.11.1996 | ||
Former [1997/42] | BE | 14.08.1996 | |
GB | 14.11.1996 | ||
SE | 14.11.1996 | ||
DE | 15.11.1996 | ||
Former [1997/24] | BE | 14.08.1996 | |
SE | 14.11.1996 | ||
DE | 15.11.1996 | ||
Former [1997/18] | SE | 14.11.1996 | |
DE | 15.11.1996 | ||
Former [1997/17] | DE | 15.11.1996 | Documents cited: | Search | [X]EP0317306 (KANEGAFUCHI CHEMICAL IND [JP]); | [A]FR2383199 (ICI AUSTRALIA LTD [AT]) |