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Extract from the Register of European Patents

EP About this file: EP0614662

EP0614662 - Use of (2E,4E,6E,10E)-3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid for the treatment of leukaemia [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  09.01.1998
Database last updated on 03.10.2024
Most recent event   Tooltip09.01.1998Withdrawal of applicationpublished on 25.02.1998 [1998/09]
Applicant(s)For all designated states
Eisai Co., Ltd.
6-10, Koishikawa 4-chome Bunkyo-ku
Tokyo / JP
[1994/37]
Inventor(s)01 / Tsurumi, Hisashi
23-21, Noritakenaka 1-chome
Gifu-shi, Gifu / JP
02 / Takahashi, Takeshi
1-20, Fukuzumicho
Gifu-shi, Gifu / JP
03 / Moriwaki, Hisataka
11, Kaguracho
Gifu-shi, Gifu / JP
04 / Muto, Yasutoshi
3459-91, Nagara
Gifu-shi, Gifu / JP
05 / Asano, Shigetaka
20-25, Ohmiya 1-chome
Suginami-ku, Tokyo / JP
[1994/37]
Representative(s)Hansen, Bernd, et al
Hoffmann Eitle Patent- und Rechtsanwälte Arabellastrasse 4
81925 München / DE
[N/P]
Former [1994/37]Hansen, Bernd, Dr. Dipl.-Chem., et al
Hoffmann, Eitle & Partner, Patentanwälte, Arabellastrasse 4
D-81925 München / DE
Application number, filing date94103055.301.03.1994
[1994/37]
Priority number, dateJP1993007638811.03.1993         Original published format: JP 7638893
JP1993030080608.11.1993         Original published format: JP 30080693
[1994/37]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0614662
Date:14.09.1994
Language:EN
[1994/37]
Search report(s)(Supplementary) European search report - dispatched on:EP06.05.1994
ClassificationIPC:A61K31/20
[1994/37]
CPC:
A61K31/20 (EP); A61K31/202 (KR); A61K48/00 (KR);
A61P35/00 (EP); A61P35/02 (EP); A61P43/00 (EP)
Designated contracting statesCH,   DE,   FR,   GB,   IT,   LI,   NL [1994/37]
TitleGerman:Verwendung von (2E, 4E, 6E, 10E)-3,7,11,15-Tetramethyl-2,4,6,10,14-Hexadecapentaensäure zur Behandlung der Leukämie[1994/37]
English:Use of (2E,4E,6E,10E)-3,7,11,15-tetramethyl-2,4,6,10,14-hexadecapentaenoic acid for the treatment of leukaemia[1994/37]
French:Utilisation de l'acide (2E, 4E, 6E, 10E)-3,7,11,15-tétraméthyl-2,4,6,10,14-Hexadécapentaenoique pour le traitement de la leucémie[1994/37]
Examination procedure27.10.1994Examination requested  [1994/51]
22.12.1997Application withdrawn by applicant  [1998/09]
Fees paidRenewal fee
28.03.1996Renewal fee patent year 03
27.03.1997Renewal fee patent year 04
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Documents cited:Search[PX]  - TSURUMI, H. ET AL, "DIFFERENTIATION INDUCTION OF HUMAN PROMYELOCYTIC LEUKEMIA CELLS BY ACYCLIC RETINOID (POLYPRENOIC ACID)", INTERNATIONAL JOURNAL OF HEMATOLOGY, (199312), vol. 59, no. 1, pages 9 - 15 [PX] 1-4 * the whole document *
 [X]  - SASAKI, K. ET AL, "INDUCTION TO GRANULOCYTIC DIFFERENTIATION OF HUMAN PROMYELOCYTIC LEUKEMIA CELLS (HL-60) BY POLYPRENOIC ACID (E5166)", THE BULLETIN OF THE YAMAGUCHI MEDICAL SCHOOL, (198612), vol. 33, no. 1-4, pages 1 - 7 [X] 1-4 * the whole document *
 [DA]  - ISHIKURA, H. ET AL, "DIFFERENTIATION OF MOUSE LEUKEMIC M1 CELLS INDUCED BY POLYPRENOIDS", LEUKEMIA RESEARCH, (1984), vol. 8, no. 5, doi:doi:10.1016/0145-2126(84)90105-X, pages 843 - 852, XP026298024 [DA] 1-4 * the whole document *

DOI:   http://dx.doi.org/10.1016/0145-2126(84)90105-X
 [A]  - MUTO, Y. ET AL, "IN VITRO BINDING AFFINITY OF NOVEL SYNTHETIC POLYPRENOIDS (POLYPRENOIC ACIDS) TO CELLULAR RETINOID-BINDING PROTEINS", GANN (JAPANESE JOURNAL OF CANCER RESEARCH), (198112), vol. 72, no. 6, pages 974 - 977 [A] 1-4 * the whole document *
 [A]  - FUKUTOMI, Y. ET AL, "INHIBITORY EFFECTS OF ACYCLIC RETINOID (POLYPRENOIC ACID) AND ITS HYDROXY DERIVATIVE ON CELL GROWTH AND ON SECRETION OF ALPHA-FETOPROTEIN IN HUMAN HEPATOMA-DERIVED CELL LINE (PLC/PRF/5)", JAPANESE JOURNAL OF CANCER RESEARCH, (199012), vol. 81, no. 2, pages 1281 - 1285, XP009137999 [A] 1-4 * the whole document *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.