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EP0442866
European procedure
Extract from the Register of European Patents
EP About this file: EP0442866
| EP0442866 - METHOD AND PLANT FOR SEPARATION OF SYNTHETIC WATER SOLUBLE POLYMERS [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 29.04.1995 Database last updated on 02.11.2024 | Most recent event Tooltip | 30.11.2007 | Lapse of the patent in a contracting state | published on 02.01.2008 [2008/01] | Applicant(s) | For all designated states Eka Nobel Aktiebolag S-445 01 Surte / SE | [1991/35] | Inventor(s) | 01 /
HELMER, Karin, Ulla, Elisabet Radjursstigen 22 S-171 72 Solna / SE | 02 /
STENSIÖ, Karl-Erland, Magnus Vickervägen 7 S-175 43 Järfälla / SE | [1991/35] | Representative(s) | Schöld, Zaid Eka Chemicals AB, Patent Department, Box 11556 100 61 Stockholm / SE | [N/P] |
| Former [1991/35] | Schöld, Zaid Eka Nobel AB Patent Department Box 11556 S-100 61 Stockholm / SE | Application number, filing date | 88901154.0 | 29.12.1987 | [1991/35] | WO1987SE00637 | Priority number, date | SE19870000187 | 19.01.1987 Original published format: SE 8700187 | [1991/35] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO8805444 | Date: | 28.07.1988 | Language: | EN | [1988/17] | Type: | A1 Application with search report | No.: | EP0442866 | Date: | 28.08.1991 | Language: | EN | The application published by WIPO in one of the EPO official languages on 28.07.1988 takes the place of the publication of the European patent application. | [1991/35] | Type: | B1 Patent specification | No.: | EP0442866 | Date: | 29.06.1994 | Language: | EN | [1994/26] | Search report(s) | International search report - published on: | SE | 28.07.1988 | Classification | IPC: | C08G12/00, B01D61/14, C08J11/02 | [1994/26] | CPC: |
B01D61/145 (EP,US);
B01D61/58 (EP,US);
B01J19/2465 (EP,US);
B01J19/2475 (EP,US);
C08G12/12 (EP,US);
B01D61/025 (EP,US)
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| Former IPC [1991/35] | C08G12/00, B01D13/00, C08J11/06 | Designated contracting states | AT, DE, FR, GB, IT, NL, SE [1991/35] | Title | German: | VERFAHREN UND VORRICHTUNG ZUR TRENNUNG WASSERLÖSCHLICHER POLYMERE | [1991/35] | English: | METHOD AND PLANT FOR SEPARATION OF SYNTHETIC WATER SOLUBLE POLYMERS | [1991/35] | French: | PROCEDE ET INSTALLATION DE SEPARATION DE POLYMERES SYNTHETIQUES SOLUBLES DANS L'EAU | [1991/35] | Entry into regional phase | 08.06.1989 | National basic fee paid | 08.06.1989 | Designation fee(s) paid | 08.06.1989 | Examination fee paid | Examination procedure | 15.08.1988 | Request for preliminary examination filed International Preliminary Examining Authority: DE | 08.06.1989 | Examination requested [1991/35] | 20.10.1992 | Despatch of a communication from the examining division (Time limit: M06) | 05.04.1993 | Reply to a communication from the examining division | 11.10.1993 | Despatch of communication of intention to grant (Approval: Yes) | 14.12.1993 | Communication of intention to grant the patent | 01.03.1994 | Fee for grant paid | 01.03.1994 | Fee for publishing/printing paid | Opposition(s) | 30.03.1995 | No opposition filed within time limit [1995/25] | Fees paid | Renewal fee | 18.12.1989 | Renewal fee patent year 03 | 11.12.1990 | Renewal fee patent year 04 | 09.12.1991 | Renewal fee patent year 05 | 09.10.1992 | Renewal fee patent year 06 | 13.12.1993 | Renewal fee patent year 07 |
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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 | IT | 29.06.1994 | [2008/01] |
| Former [1999/42] | IT | 29.06.1994 | Cited in | International search | [A]US3565256 (LOEFFLER HERBERT H); | [A]US3567031 (LOEFFLER HERBERT H); | [A]US4159251 (SPIEGELMAN SOLOMAN [US], et al) |