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Extract from the Register of European Patents

EP About this file: EP1172365

EP1172365 - Process for preparing 2,6-dichloropurine [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  21.01.2005
Database last updated on 03.10.2024
Most recent event   Tooltip26.01.2007Lapse of the patent in a contracting state
New state(s): CY		published on 28.02.2007  [2007/09]
Applicant(s)For all designated states
SUMIKA FINE CHEMICALS Co., Ltd.
3-1-21, Utajima, Nishiyodogawa-ku Osaka-shi
Osaka / JP
[N/P]
Former [2002/03]For all designated states
SUMIKA FINE CHEMICALS Co., Ltd.
3-1-21, Utajima, Nishiyodogawa-ku
Osaka-shi, Osaka / JP
Inventor(s)01 / Hayashi, Taketo, Sumika Fine Chem. Co., Ltd.
Central Research Lab., 1-21, Utajima 3-chome
Nishiyodogawa-ku, Osaka-shi, Osaka / JP
02 / Kumazawa, Hiroharu, Sumika Fine Chem. Co., Ltd.
Central Research Lab., 1-21, Utajima 3-chome
Nishiyodogawa-ku, Osaka-shi, Osaka / JP
03 / Nishikawa, Junichi, Sumika Fine Chem. Co., Ltd.
Central Research Lab., 1-21, Utajima 3-chome
Nishiyodogawa-ku, Osaka-shi, Osaka / JP
 [2002/03]
Representative(s)Hoffmann Eitle
Patent- und Rechtsanwälte PartmbB
Arabellastrasse 30
81925 München / DE
[N/P]
Former [2002/03]HOFFMANN - EITLE
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München / DE
Application number, filing date01115637.903.07.2001
[2002/03]
Priority number, dateJP2000020845010.07.2000         Original published format: JP 2000208450
JP2001017905013.06.2001         Original published format: JP 2001179050
[2002/03]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1172365
Date:16.01.2002
Language:EN
[2002/03]
Type: B1 Patent specification 
No.:EP1172365
Date:17.03.2004
Language:EN
[2004/12]
Search report(s)(Supplementary) European search report - dispatched on:EP06.11.2001
ClassificationIPC:C07D473/40
[2002/03]
CPC:
C07D473/40 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE [2002/03]
TitleGerman:Ein Verfahren zur Herstellung von 2,6-Dichloropurin[2002/03]
English:Process for preparing 2,6-dichloropurine[2002/03]
French:Procédé pour la préparation du 2,6-dichloropurine[2002/03]
Examination procedure04.04.2002Examination requested  [2002/24]
19.12.2002Despatch of a communication from the examining division (Time limit: M04)
23.04.2003Reply to a communication from the examining division
19.09.2003Communication of intention to grant the patent
12.12.2003Fee for grant paid
12.12.2003Fee for publishing/printing paid
Opposition(s)20.12.2004No opposition filed within time limit [2005/10]
Fees paidRenewal fee
25.07.2003Renewal fee patent year 03
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipCY17.03.2004
FI17.03.2004
DK17.06.2004
GR17.06.2004
SE17.06.2004
LU03.07.2004
MC31.07.2004
[2007/09]
Former [2005/23]FI17.03.2004
DK17.06.2004
GR17.06.2004
SE17.06.2004
LU03.07.2004
MC31.07.2004
Former [2005/22]FI17.03.2004
DK17.06.2004
GR17.06.2004
SE17.06.2004
MC31.07.2004
Former [2005/18]FI17.03.2004
DK17.06.2004
GR17.06.2004
SE17.06.2004
Former [2004/41]FI17.03.2004
GR17.06.2004
SE17.06.2004
Former [2004/40]FI17.03.2004
SE17.06.2004
Documents cited:Search[YD]US3314938  (HIDEAKI KAWASHIMA, et al) [YD] 1-7 * column 1, paragraph 3 * * column 2, paragraph 7 - paragraph 8 * * claim 1 *;
 [Y]  - N.F.MYASOEDOV, "Addition of a tritium label to components of nucleic acids by hydrogenolysis of the corresponding precursors.", RADIOKHIMIYA, (1981), vol. 23, no. 4, pages 607 - 613, XP001028991 [Y] 1-7 * scheme on page 607; page 608, paragraph 3 *
 [Y]  - S.E.KEELING ET AL., "The Discovery and Synthesis of Highly Potent, A2a Receptor Agonists", BIOORG. MED. CHEM. LETT., (2000), vol. 10, pages 403 - 406, XP004189943 [Y] 1-7 * scheme 1 on page 405; page 405, column 1, line 1 - line 3 *

DOI:   http://dx.doi.org/10.1016/S0960-894X(00)00017-2
 [Y]  - NIIYA K ET AL, "2-(N'-ALKYLIDENEHYDRAZINO)ADENOSINES: POTENT AND SELECTIVE CORONARYVASODILATORS", JOURNAL OF MEDICINAL CHEMISTRY, AMERICAN CHEMICAL SOCIETY. WASHINGTON, US, (1992), vol. 35, no. 24, ISSN 0022-2623, pages 4557 - 4561, XP000918397 [Y] 1-7 * scheme I on page 4558; page 4558, column 1, paragraph 3 * * page 4561, column 1, paragraph 2 *

DOI:   http://dx.doi.org/10.1021/jm00102a007
 [Y]  - S.B.HA ET AL., "New base-altered adenozine analogues: synthesis and affinity at adenozine A1 and A2a receptors", BIOORG. MED. CHEM. LETT., (1997), vol. 7, no. 24, pages 3085 - 3090, XP004136590 [Y] 1-7 * scheme 2 on page 3087; page 3087, line 2 - line 4 *

DOI:   http://dx.doi.org/10.1016/S0960-894X(97)10177-9
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.