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EP0517390
European procedure
Extract from the Register of European Patents
EP About this file: EP0517390
| EP0517390 - Method and compositions for binding ceramic powders [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 11.07.1997 Database last updated on 31.08.2024 | Most recent event Tooltip | 11.07.1997 | No opposition filed within time limit | published on 27.08.1997 [1997/35] | Applicant(s) | For all designated states NALCO CHEMICAL COMPANY One Nalco Center Naperville, IL 60563-1198 / US | [N/P] |
| Former [1992/50] | For all designated states NALCO CHEMICAL COMPANY One Nalco Center Naperville Illinois 60563-1198 / US | Inventor(s) | 01 /
Cosper, David R. 6824 Valley View Drive Downers Grove, Illinois 60516 / US | [1992/50] | Representative(s) | Harrison, David Christopher, et al Mewburn Ellis LLP City Tower 40 Basinghall Street London EC2V 5DE / GB | [N/P] |
| Former [1992/50] | Harrison, David Christopher, et al MEWBURN ELLIS York House 23 Kingsway London WC2B 6HP / GB | Application number, filing date | 92304473.9 | 18.05.1992 | [1992/50] | Priority number, date | US19910712261 | 07.06.1991 Original published format: US 712261 | [1992/50] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0517390 | Date: | 09.12.1992 | Language: | EN | [1992/50] | Type: | B1 Patent specification | No.: | EP0517390 | Date: | 04.09.1996 | Language: | EN | [1996/36] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.08.1992 | Classification | IPC: | C04B35/00, C04B35/10, C08L71/02 | [1992/50] | CPC: |
C04B35/63416 (EP,US);
C08F216/00 (KR);
C04B35/111 (EP,US);
C04B35/634 (EP,US);
C04B35/63444 (EP,US);
C04B35/63488 (EP,US);
C08L71/02 (EP,US)
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| C-Set: |
C08L71/02, C08L2666/02 (EP,US)
| Designated contracting states | DE, FR, GB [1992/50] | Title | German: | Verfahren und Zusammensetzung zum Binden keramischer Pulver | [1992/50] | English: | Method and compositions for binding ceramic powders | [1992/50] | French: | Méthode et compositions liantes pour poudres céramiques | [1992/50] | Examination procedure | 08.02.1993 | Examination requested [1993/15] | 29.03.1995 | Despatch of a communication from the examining division (Time limit: M04) | 14.06.1995 | Reply to a communication from the examining division | 14.12.1995 | Despatch of communication of intention to grant (Approval: Yes) | 10.01.1996 | Communication of intention to grant the patent | 01.04.1996 | Fee for grant paid | 01.04.1996 | Fee for publishing/printing paid | Opposition(s) | 05.06.1997 | No opposition filed within time limit [1997/35] | Fees paid | Renewal fee | 24.05.1994 | Renewal fee patent year 03 | 02.05.1995 | Renewal fee patent year 04 | 22.04.1996 | 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 | [X]US3980571 (MARX JOACHIM); | [A]US4017452 (SCHWARZ ECKHARD C A); | [X]DE2559759 (UNION CARBIDE CORP); | [A]FR2394506 (SIEMENS AG [DE]); | [X]US4898902 (NAGAI TOMOAKI [JP], et al); | [A]EP0369045 (HOECHST AG [DE]); | [A]EP0428999 (FRAUNHOFER GES FORSCHUNG [DE]) |