EP0550532 - DEXTRIN SULFATES AS ANTI HIV-1 AGENTS AND COMPOSITION THEREOF [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 19.02.1999 Database last updated on 06.07.2024 | Most recent event Tooltip | 09.05.2008 | Lapse of the patent in a contracting state New state(s): GR | published on 11.06.2008 [2008/24] | Applicant(s) | For all designated states M L LABORATORIES PLC Rutherford Close, Wavertree Technology Park Liverpool L13 1EJ / GB | [1993/28] | Inventor(s) | 01 /
DAVIES, Donald Selwyn 7 Mynden Close Beaconsfield, Buckinghamshire HP9 2AU / GB | [1993/28] | Representative(s) | HGF 1 City Walk Leeds LS11 9DX / GB | [N/P] |
Former [1998/41] | Harrison Goddard Foote Belmont House, 20 Wood Lane Leeds LS6 2AE / GB | ||
Former [1993/28] | Harrison, Michael Robert Dibb Lupton Broomhead 117 The Headrow Leeds LS1 5JX West Yorkshire / GB | Application number, filing date | 91916848.4 | 23.09.1991 | [1993/28] | WO1991GB01628 | Priority number, date | GB19900020861 | 25.09.1990 Original published format: GB 9020861 | [1993/28] | Filing language | EN | Procedural language | EN | Publication | Type: | A1 Application with search report | No.: | WO9204904 | Date: | 02.04.1992 | Language: | EN | [1992/08] | Type: | A1 Application with search report | No.: | EP0550532 | Date: | 14.07.1993 | Language: | EN | The application published by WIPO in one of the EPO official languages on 02.04.1992 takes the place of the publication of the European patent application. | [1993/28] | Type: | B1 Patent specification | No.: | EP0550532 | Date: | 15.04.1998 | Language: | EN | [1998/16] | Search report(s) | International search report - published on: | EP | 02.04.1992 | Classification | IPC: | A61K31/725, C08B31/06 | [1993/28] | CPC: |
A61K31/715 (EP,US);
A61P31/12 (EP);
A61P31/18 (EP);
C08B31/063 (EP,US)
| Designated contracting states | AT, BE, CH, DE, DK, ES, FR, GB, GR, IT, LI, LU, NL [1993/28] | Title | German: | DEXTRINSULFATE ALS ANTI HIV-1 WIRKSTOFFE UND DIESE ENTHALTENDE ZUBEREITUNGEN | [1993/28] | English: | DEXTRIN SULFATES AS ANTI HIV-1 AGENTS AND COMPOSITION THEREOF | [1993/28] | French: | SULFATES DE DEXTRINE UTILISES EN TANT QU'AGENTS ANTI-VIH-1 ET LEURS COMPOSITIONS | [1993/28] | Entry into regional phase | 30.03.1993 | National basic fee paid | 30.03.1993 | Designation fee(s) paid | 30.03.1993 | Examination fee paid | Examination procedure | 31.03.1992 | Request for preliminary examination filed International Preliminary Examining Authority: GB | 30.03.1993 | Examination requested [1993/28] | 12.06.1995 | Despatch of a communication from the examining division (Time limit: M06) | 19.01.1996 | Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time | 26.03.1996 | Reply to a communication from the examining division | 07.08.1997 | Despatch of communication of intention to grant (Approval: Yes) | 20.10.1997 | Communication of intention to grant the patent | 31.12.1997 | Fee for grant paid | 31.12.1997 | Fee for publishing/printing paid | Opposition(s) | 16.01.1999 | No opposition filed within time limit [1999/14] | Request for further processing for: | 26.03.1996 | Request for further processing filed | 28.03.1996 | Full payment received (date of receipt of payment) Request granted | 15.04.1996 | Decision despatched | Fees paid | Renewal fee | 07.08.1993 | Renewal fee patent year 03 | 10.09.1994 | Renewal fee patent year 04 | 07.08.1995 | Renewal fee patent year 05 | 13.08.1996 | Renewal fee patent year 06 | 18.09.1997 | 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 | GR | 15.04.1998 | LU | 23.09.1998 | [2008/24] |
Former [2004/38] | LU | 23.09.1998 | |
Former [2000/06] | LU | 30.09.1998 | Cited in | International search | [X]US2967178 (KERR RALPH W, et al); | [A]US3017407 (PETRACEK FRANCIS J, et al); | [A]US3070595 (PETRACEK FRANCIS J, et al); | [A]EP0240098 (UENO SEIYAKU OYO KENKYUJO KK [JP]); | [A]EP0338092 (CHUGAI PHARMACEUTICAL CO LTD [JP]) | [A] - AIDS, volume 2, no. 6, 1988, Gower Academic Journals Ltd., L. Biesert et al.: "Inhibition of HIV and virus replication by polysulphated polyxylan: HOE/BAY 946, a new antiviral compound", pages 449-457, see the whole article | [AP] - Antiviral Chemistry & Chemotherapy, volume 2, no. 1, 1991, M. Ito et al.: "Potent and selective activity of dextrin sulphate against human immunodeficiency virus type 1 in vitro", pages 41-44, see the whole article |