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EP0645181
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EP About this file: EP0645181
| EP0645181 - Method of improving the contaminant resistance of a smectite clay [Right-click to bookmark this link] | Status | The application is deemed to be withdrawn Status updated on 04.07.1997 Database last updated on 11.04.2026 | Most recent event Tooltip | 04.07.1997 | Application deemed to be withdrawn | published on 20.08.1997 [1997/34] | Applicant(s) | For all designated states AMCOL INTERNATIONAL CORPORATION 1500 West Shure Drive Arlington Heights Illinois 60004 / US | [N/P] |
| Former [1995/52] | For all designated states AMCOL INTERNATIONAL CORPORATION 1500 West Shure Drive Arlington Heights, Illinois 60004 / US | ||
| Former [1995/13] | For all designated states AMERICAN COLLOID COMPANY One North Arlington, 1500 West Shure Drive Arlington Heights, Illinois 60004 / US | Inventor(s) | 01 /
Kajita, Laura 43W866 Heather Lane St. Charles, Illinois 60175 / US | [1995/13] | Representative(s) | WP Thompson 8th Floor 1 Mann Island Liverpool L3 1BP / GB | [N/P] |
| Former [1995/13] | W.P. Thompson & Co. Coopers Building, Church Street Liverpool L1 3AB / GB | Application number, filing date | 94306976.5 | 23.09.1994 | [1995/13] | Priority number, date | US19930128598 | 29.09.1993 Original published format: US 128598 | [1995/13] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0645181 | Date: | 29.03.1995 | Language: | EN | [1995/13] | Type: | A3 Search report | No.: | EP0645181 | Date: | 03.05.1995 | Language: | EN | [1995/18] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 17.03.1995 | Classification | IPC: | B01J20/12, C09K7/02 | [1995/18] | CPC: |
B01D15/00 (KR);
B01J20/12 (EP,KR,US);
C09K8/145 (EP,KR,US)
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| Former IPC [1995/13] | B01J20/12 | Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1995/13] | Title | German: | Methode zur Verbesserung der Verunreinigungsbeständigkeit eines Smektit-Tones | [1995/13] | English: | Method of improving the contaminant resistance of a smectite clay | [1995/13] | French: | Méthode pour améliorer la résistance à la contamination d'une argile smectite | [1995/13] | Examination procedure | 10.06.1995 | Examination requested [1995/32] | 14.10.1996 | Despatch of a communication from the examining division (Time limit: M04) | 25.02.1997 | Application deemed to be withdrawn, date of legal effect [1997/34] | 26.03.1997 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time [1997/34] | Fees paid | Penalty fee | Additional fee for renewal fee | 30.09.1996 | 03 M06 Not yet paid |
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