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Extract from the Register of European Patents

EP About this file: EP0557021

EP0557021 - Oligosaccharide derivatives suitable for alpha-amylase determination [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  23.10.1998
Database last updated on 19.07.2024
Most recent event   Tooltip28.12.2007Lapse of the patent in a contracting state
New state(s): NL
published on 30.01.2008  [2008/05]
Applicant(s)For all designated states
WAKO PURE CHEMICAL INDUSTRIES, LTD
1-2 Doshomachi-3-chome Chuo-ku
Osaka / JP
[N/P]
Former [1997/51]For all designated states
WAKO PURE CHEMICAL INDUSTRIES, LTD
1-2 Doshomachi-3-chome
Chuo-ku Osaka / JP
Former [1993/34]For all designated states
WAKO PURE CHEMICAL INDUSTRIES LTD
1-2 Doshomachi-3-chome
Chuo-ku Osaka / JP
Inventor(s)01 / Hasegawa, Akira
1735-160, Okurayama, Kano
Gifu-shi / JP
02 / Kiso, Makoto
57-47, Monju, Motosucho
Motosu-gun, Gifu-ken / JP
03 / Satomura, Shinji
3-2-710, Nishimiyahara-3-chome, Yodogawa-ku
Osaka-shi / JP
[1993/34]
Representative(s)Baillie, Iain Cameron
Langner Parry, 52-54 High Holborn
London WC1V 6RR / GB
[N/P]
Former [1995/43]Baillie, Iain Cameron
Langner Parry 52-54 High Holborn
London WC1V 6RR / GB
Former [1993/34]Baillie, Iain Cameron
c/o Ladas & Parry Altheimer Eck 2
D-80331 München / DE
Application number, filing date93301009.212.02.1993
[1993/34]
Priority number, dateJP1992005975914.02.1992         Original published format: JP 5975992
[1993/34]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0557021
Date:25.08.1993
Language:EN
[1993/34]
Type: A3 Search report 
No.:EP0557021
Date:20.12.1995
Language:EN
[1995/51]
Type: B1 Patent specification 
No.:EP0557021
Date:17.12.1997
Language:EN
[1997/51]
Search report(s)(Supplementary) European search report - dispatched on:EP07.11.1995
ClassificationIPC:C07H15/203, C07H15/26, C12Q1/40
[1993/34]
CPC:
C07H15/14 (EP,US); C07H15/203 (EP,US); C07H15/26 (EP,US);
C12Q1/40 (EP,US); C12Q2334/00 (EP,US); C12Q2334/10 (EP,US)
Designated contracting statesBE,   CH,   DE,   ES,   FR,   GB,   GR,   IT,   LI,   NL,   SE [1993/34]
TitleGerman:Oligosaccharidderivate für die Alpha-Amylasebestimmung[1993/34]
English:Oligosaccharide derivatives suitable for alpha-amylase determination[1993/34]
French:Dérivés d'oligosaccharides pour la détermination d'alpha-amylase[1993/34]
Examination procedure07.01.1994Examination requested  [1994/10]
24.01.1997Despatch of communication of intention to grant (Approval: Yes)
21.04.1997Communication of intention to grant the patent
21.07.1997Fee for grant paid
21.07.1997Fee for publishing/printing paid
Opposition(s)18.09.1998No opposition filed within time limit [1998/50]
Fees paidRenewal fee
25.01.1995Renewal fee patent year 03
15.02.1996Renewal fee patent year 04
04.02.1997Renewal fee patent year 05
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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  TooltipBE17.12.1997
CH17.12.1997
ES17.12.1997
GR17.12.1997
IT17.12.1997
LI17.12.1997
NL17.12.1997
GB17.03.1998
SE17.03.1998
[2003/08]
Former [2002/26]BE17.12.1997
CH17.12.1997
ES17.12.1997
GR17.12.1997
IT17.12.1997
LI17.12.1997
GB17.03.1998
SE17.03.1998
Former [2000/52]BE17.12.1997
CH17.12.1997
GR17.12.1997
IT17.12.1997
LI17.12.1997
GB17.03.1998
SE17.03.1998
Former [2000/50]BE17.12.1997
GR17.12.1997
IT17.12.1997
GB17.03.1998
SE17.03.1998
CH23.03.1998
LI23.03.1998
Former [2000/05]BE17.12.1997
GR17.12.1997
IT17.12.1997
GB17.03.1998
SE17.03.1998
Former [1999/42]BE17.12.1997
IT17.12.1997
GB17.03.1998
SE17.03.1998
Former [1999/25]BE17.12.1997
GB17.03.1998
SE17.03.1998
Former [1998/46]BE17.12.1997
SE17.03.1998
Former [1998/35]SE17.03.1998
Documents cited:Search[DA]EP0252525  (WAKO PURE CHEM IND LTD [JP]) [DA] 1* the whole document *
 [A]  - K.FUJITA ET AL., "Enzymatic Synthesis of Specifically Modified Linear Oligosaccharides from gamma-Cyclodextrin Derivatives. Study on Importance of Active Sites of Taka Amylase A", BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN, TOKYO JP, (1989), vol. 62, no. 10, pages 3150 - 3154 [A] 1,7-12 * the whole document *
 [PA]  - S.TOKTAKE ET AL., "Syntheses of 2-Chloro-4-nitrophenyl beta-D-Maltopentaosides with Bulky Modification and Their Application to the Differential Assay of Human alpha-Amylases", CHEMICAL AND PHARMACEUTICAL BULLETIN., TOKYO JP, (1992), vol. 40, no. 9, pages 2531 - 2536 [PA] 1,7-12 * the whole document *
 [E]  - K.OZAWA ET AL., "Systematic Synthesis of Sulfur-Containing p-nitrophenyl alpha-Maltopentaoside Derivatives for a Differential Assay of Human alpha-Amylases", CHEMICAL ABSTRACTS, (1993), vol. 119, no. 23, Database accession no. 250297k, page 1020, column 1 [E] 1-12 * abstract *
    [ ] - BIOSCI., BIOTECHNOL., BIOCHEM., (1993), vol. 57, no. 5, pages 821 - 828
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.