EP0426467 - Prodrugs of 6-mercaptopurine and 6-thioguanine [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 09.02.1996 Database last updated on 22.08.2024 | Most recent event Tooltip | 24.01.2003 | Change - lapse in a contracting state Updated state(s): NL | published on 12.03.2003 [2003/11] | Applicant(s) | For all designated states WISCONSIN ALUMNI RESEARCH FOUNDATION 614 North Walnut Street Madison, WI 53705 / US | [1991/19] | Inventor(s) | 01 /
Elfarra, Adnan 7014 Longmeadow Road Madison, Wisconsin 53717 / US | [1991/19] | Representative(s) | Ellis-Jones, Patrick George Armine, et al J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5JJ / GB | [N/P] |
Former [1991/19] | Ellis-Jones, Patrick George Armine, et al J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX / GB | Application number, filing date | 90311961.8 | 01.11.1990 | [1991/19] | Priority number, date | US19890432098 | 03.11.1989 Original published format: US 432098 | US19900542664 | 25.06.1990 Original published format: US 542664 | [1991/19] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | EP0426467 | Date: | 08.05.1991 | Language: | EN | [1991/19] | Type: | B1 Patent specification | No.: | EP0426467 | Date: | 05.04.1995 | Language: | EN | [1995/14] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 20.12.1990 | Classification | IPC: | C07D473/38, A61K31/52 | [1991/19] | CPC: |
C07D473/38 (EP,US);
A61P13/02 (EP);
A61P15/00 (EP);
A61P35/00 (EP);
A61P43/00 (EP)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL, SE [1991/19] | Title | German: | Pro-drugs von 6-Mercaptopurin und 6-Thioguanin | [1995/14] | English: | Prodrugs of 6-mercaptopurine and 6-thioguanine | [1991/19] | French: | Prodrogues de 6-mercaptopurine et 6-thioguanine | [1991/19] |
Former [1991/19] | Prodrugs von 6-Mercaptopurin und 6-Thioguanin | Examination procedure | 25.02.1991 | Examination requested [1991/19] | 23.03.1994 | Despatch of communication of intention to grant (Approval: No) | 04.10.1994 | Despatch of communication of intention to grant (Approval: later approval) | 10.10.1994 | Communication of intention to grant the patent | 11.01.1995 | Fee for grant paid | 11.01.1995 | Fee for publishing/printing paid | Opposition(s) | 06.01.1996 | No opposition filed within time limit [1996/13] | Fees paid | Renewal fee | 09.10.1992 | Renewal fee patent year 03 | 08.11.1993 | Renewal fee patent year 04 | 15.11.1994 | 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. | Lapses during opposition Tooltip | AT | 05.04.1995 | BE | 05.04.1995 | DK | 05.04.1995 | ES | 05.04.1995 | GR | 05.04.1995 | NL | 05.04.1995 | SE | 05.07.1995 | CH | 30.11.1995 | LI | 30.11.1995 | LU | 30.11.1995 | [2003/11] |
Former [2002/24] | AT | 05.04.1995 | |
BE | 05.04.1995 | ||
DK | 05.04.1995 | ||
ES | 05.04.1995 | ||
GR | 05.04.1995 | ||
SE | 05.07.1995 | ||
CH | 30.11.1995 | ||
LI | 30.11.1995 | ||
LU | 30.11.1995 | ||
NL | 30.11.1995 | ||
Former [2000/27] | AT | 05.04.1995 | |
BE | 05.04.1995 | ||
DK | 05.04.1995 | ||
GR | 05.04.1995 | ||
SE | 05.07.1995 | ||
CH | 30.11.1995 | ||
LI | 30.11.1995 | ||
LU | 30.11.1995 | ||
NL | 30.11.1995 | ||
Former [2000/04] | AT | 05.04.1995 | |
BE | 05.04.1995 | ||
DK | 05.04.1995 | ||
GR | 05.04.1995 | ||
SE | 05.07.1995 | ||
CH | 30.11.1995 | ||
LI | 30.11.1995 | ||
LU | 30.11.1995 | ||
Former [1998/15] | AT | 05.04.1995 | |
BE | 05.04.1995 | ||
DK | 05.04.1995 | ||
SE | 05.07.1995 | ||
CH | 30.11.1995 | ||
LI | 30.11.1995 | ||
Former [1997/28] | AT | 05.04.1995 | |
BE | 05.04.1995 | ||
SE | 05.07.1995 | ||
CH | 30.11.1995 | ||
LI | 30.11.1995 | ||
Former [1996/04] | AT | 05.04.1995 | |
BE | 05.04.1995 | ||
SE | 05.07.1995 | ||
Former [1996/02] | AT | 05.04.1995 | Documents cited: | Search | [A]DE1695744 ; | [A]DE3730542 (HOECHST AG [DE]); | [AP]EP0350742 (HOECHST AG [DE]) |