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EP0708794
European procedure
Extract from the Register of European Patents
EP About this file: EP0708794
| EP0708794 - POLYMERIZATION OF CYCLIC ETHERS USING HETEROGENEOUS CATALYSTS [Right-click to bookmark this link] | |||
| Former [1996/18] | POLYMERIZATION, AND DEPOLYMERIZATION, OF CYCLIC ETHERS USING HETEROGENEOUS CATALYSTS | ||
| [1998/38] | Status | No opposition filed within time limit Status updated on 21.07.2000 Database last updated on 31.08.2024 | Most recent event Tooltip | 21.07.2000 | No opposition filed within time limit | published on 06.09.2000 [2000/36] | Applicant(s) | For all designated states E. I. du Pont de Nemours and Company 1007 Market Street Wilmington, DE 19898 / US | [N/P] |
| Former [1996/18] | For all designated states E.I. DU PONT DE NEMOURS AND COMPANY 1007 Market Street Wilmington Delaware 19898 / US | Inventor(s) | 01 /
DRYSDALE, Neville, Everton 227 Welsh Tract Road Newark, DE 19702-1026 / US | 02 /
HERRON, Norman 408 Apple Road Newark, DE 19711 / US | [1996/18] | Representative(s) | Jones, Alan John CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | [N/P] |
| Former [1996/18] | Jones, Alan John CARPMAELS & RANSFORD 43 Bloomsbury Square London, WC1A 2RA / GB | Application number, filing date | 94923920.6 | 14.07.1994 | [1996/18] | WO1994US07590 | Priority number, date | US19930093119 | 16.07.1993 Original published format: US 93119 | [1996/18] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9502625 | Date: | 26.01.1995 | Language: | EN | [1995/05] | Type: | A1 Application with search report | No.: | EP0708794 | Date: | 01.05.1996 | Language: | EN | The application published by WIPO in one of the EPO official languages on 26.01.1995 takes the place of the publication of the European patent application. | [1996/18] | Type: | B1 Patent specification | No.: | EP0708794 | Date: | 22.09.1999 | Language: | EN | [1999/38] | Search report(s) | International search report - published on: | EP | 26.01.1995 | Classification | IPC: | C08G65/10, C08G65/04, C08G65/20 | [1996/18] | CPC: |
C07D307/08 (EP);
C08G65/10 (KR);
C07D307/06 (EP);
C08G63/42 (EP);
C08G63/58 (EP);
C08G63/6856 (EP);
C08G65/04 (KR);
C08G65/16 (EP);
C08G65/20 (EP,KR);
C08G65/2645 (EP);
C08G65/266 (EP);
C08G65/321 (EP);
C08G65/337 (EP)
(-)
| Designated contracting states | DE, ES, GB, NL [1996/18] | Title | German: | POLYMERISATIONSKATALYSATOR FÜR POLYETHER | [1998/38] | English: | POLYMERIZATION OF CYCLIC ETHERS USING HETEROGENEOUS CATALYSTS | [1998/38] | French: | POLYMERISATION D'ETHERS CYCLIQUES A L'AIDE DE CATALYSEURS HETEROGENES | [1998/38] |
| Former [1996/18] | POLYMERISATION/DEPOLYMERISATIONSKATALYSATOR FÜR POLYETHER | ||
| Former [1996/18] | POLYMERIZATION, AND DEPOLYMERIZATION, OF CYCLIC ETHERS USING HETEROGENEOUS CATALYSTS | ||
| Former [1996/18] | POLYMERISATION ET DEPOLYMERISATION D'ETHERS CYCLIQUES A L'AIDE DE CATALYSEURS HETEROGENES | Miscellaneous | EPB 1996/41: Teilanmeldung 96202116.8 eingereicht am 25/07/96 | EPB 1996/41: Divisional application 96202116.8 filed on 25/07/96 | EPB 1996/41: Demande divisionnaire 96202116.8 déposée le 25/07/96 | Entry into regional phase | 18.12.1995 | National basic fee paid | 18.12.1995 | Designation fee(s) paid | 18.12.1995 | Examination fee paid | Examination procedure | 20.01.1995 | Request for preliminary examination filed International Preliminary Examining Authority: EP | 18.12.1995 | Examination requested [1996/18] | 30.04.1996 | Despatch of a communication from the examining division (Time limit: M04) | 17.07.1996 | Reply to a communication from the examining division | 14.05.1997 | Despatch of a communication from the examining division (Time limit: M06) | 20.11.1997 | Reply to a communication from the examining division | 24.08.1998 | Despatch of communication of intention to grant (Approval: Yes) | 26.01.1999 | Communication of intention to grant the patent | 14.04.1999 | Fee for grant paid | 14.04.1999 | Fee for publishing/printing paid | Divisional application(s) | EP96202116.8 / EP0750000 | EP98204328.3 / EP0903365 | Opposition(s) | 24.06.2000 | No opposition filed within time limit [2000/36] | Fees paid | Renewal fee | 18.12.1995 | Renewal fee patent year 03 | 14.07.1997 | Renewal fee patent year 04 | 08.07.1998 | Renewal fee patent year 05 | 13.07.1999 | Renewal fee patent year 06 |
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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. | Cited in | International search | [PY]JPH0616805 ; | [Y]DE3606479 (BASF AG [DE]) [Y] 1-9 * claims 1,7,8 *; | [A]DE1915117 (MOBIL OIL CORP) [A] 1-9 * claim 1 * * page 12, line 3 - line 4 *; | [A]US5102849 (KEMP RICHARD A [US], et al) [A] 1-9 * claims 1,2,5 * * column 5, line 43 - line 50 *; | [A]FR2212364 (KAO CORP [JP]) [A] 10-18 * page 2, line 18 * * example 5 *; | [A]US3842019 (KROPP J) [A] 10-18 * column 2, line 28 - line 41; claim 1 *; | [PX]WO9409055 (DU PONT [US], et al) [PX] 19-22 * example 26; claim 12 *; | [A]EP0004536 (DU PONT [US]) [A] 19-22 * claims 1,4 *; | [A]JPS60109584 ; | [A]JPS62257931 | [PY] - DATABASE WPI, 1, Derwent World Patents Index, Database accession no. 94-068607, & JPH0616805 A 19940125 (DAICEL CHEM IND) [PY] 1-9 * abstract * | [A] - DATABASE WPI, 0, Derwent World Patents Index, Database accession no. 85-181197(30), & JPS60109584 A 19850615 (ASAHI CHEM IND KK) [A] 19-23 * abstract * | [A] - DATABASE WPI, 0, Derwent World Patents Index, Database accession no. 87-353218(50), & JPS62257931 A 19871110 (ASAHI CHEMICAL IND KK) [A] 23 * abstract * |