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Extract from the Register of European Patents

EP About this file: EP1271144

EP1271144 - Method and circuitry for controlling and measuring electrical parameters in a biological membrane [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  02.06.2006
Database last updated on 30.10.2024
Most recent event   Tooltip02.06.2006Application deemed to be withdrawnpublished on 05.07.2006  [2006/27]
Applicant(s)For all designated states
flyion GmbH
Gmelinstrasse 5
72076 Tübingen / DE
[2003/01]
Inventor(s)01 / Lepple-Wienhues, Albrecht, Dr.
Eckenerstrasse 18
72070 Tübingen / DE
 [2003/01]
Representative(s)Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner mbB
Kronenstrasse 30
70174 Stuttgart / DE
[N/P]
Former [2003/01]Patentanwälte Ruff, Wilhelm, Beier, Dauster & Partner
Kronenstrasse 30
70174 Stuttgart / DE
Application number, filing date01115427.527.06.2001
[2003/01]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP1271144
Date:02.01.2003
Language:EN
[2003/01]
Search report(s)(Supplementary) European search report - dispatched on:EP19.02.2002
ClassificationIPC:G01N33/487
[2003/01]
CPC:
G01N33/48728 (EP,US)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2003/01]
TitleGerman:Verfahren und Schaltung zur Kontrolle und Messung von elektrischen Parametern in einer biologischen Membran[2003/01]
English:Method and circuitry for controlling and measuring electrical parameters in a biological membrane[2003/01]
French:Méthode et circuit de contrôle et mesure de paramètres électriques dans une membrane biologique[2003/01]
Examination procedure23.05.2003Examination requested  [2003/30]
02.09.2003Despatch of a communication from the examining division (Time limit: M06)
10.03.2004Reply to a communication from the examining division
02.08.2005Communication of intention to grant the patent
13.12.2005Application deemed to be withdrawn, date of legal effect  [2006/27]
16.01.2006Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [2006/27]
Fees paidRenewal fee
06.06.2003Renewal fee patent year 03
17.06.2004Renewal fee patent year 04
10.06.2005Renewal fee patent year 05
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Documents cited:Search[Y]US6048722  (FARB DAVID H [US], et al) [Y] 1,18 * examples 7,8 *;
 [A]US6163719  (SHERMAN ADAM JACOB [CA]) [A] 1,18* column 5, line 48 - column 8, line 21; figure - *;
 [DY]  - F.J. SIGWORTH, "Design of the EPC-9, a computer-controlled patch-clamp amplifier. 1. Hardware", JOURNAL OF NEUROSCIENCE METHODS., ELSEVIER SCIENCE PUBLISHER B.V., AMSTERDAM., NL, (1995), vol. 56, ISSN 0165-0270, pages 195 - 202, XP001052696 [DY] 1,18 * the whole document *

DOI:   http://dx.doi.org/10.1016/0165-0270(94)00128-4
 [A]  - GILLIS KEVIN D, "Admittance-based measurement of membrane capacitance using the EPC-9 patch-clamp amplifier", BIOSIS, BIOSCIENCES INFORMATION SERVICE, PHILADELPHIA, PA, US, Database accession no. PREV200000168696, XP002187524 [A] 1,18 * abstract *
 [A]  - HAMILL O P ET AL, "IMPROVED PATCH-CLAMP TECHNIQUES FOR HIGH-RESOLUTION CURRENT RECORDING FROM CELLS AND CELL-FREE MEMBRANE PATCHES", PFLUEGERS ARCHIV, SPRINGER VERLAG, BERLIN, DE, (1981), vol. 391, ISSN 0031-6768, pages 85 - 100, XP000196663 [A] 1,18 * page 88, column R, paragraph 3 - page 90, column R, paragraph 3; figures 4A,B *

DOI:   http://dx.doi.org/10.1007/BF00656997
 [A]  - HUA-GUANG KANG ET AL, "Low Noise Design Of Patch Clamp Amplifier", ENGINEERING IN MEDICINE AND BIOLOGY SOCIETY, 1990., PROCEEDINGS OF THE TWELFTH ANNUAL INTERNATIONAL CONFERENCE OF THE IEEE PHILADELPHIA, PA, USA 1-4 NOV. 1990, NEW YORK, NY, USA,IEEE, US, (19901101), ISBN 0-87942-559-8, pages 1103 - 1104, XP010035796 [A] 1-19 * figure - *

DOI:   http://dx.doi.org/10.1109/IEMBS.1990.691630
 [A]  - F. CELENTANO, A. GAFFURI, "Electronic clamp device for biological investigations", JOURNAL OF PHYSICS E. SCIENTIFIC INSTRUMENTS., IOP PUBLISHING, BRISTOL., GB, (198011), vol. 13, no. 11, ISSN 0022-3735, pages 1219 - 1221, XP002187523 [A] 1-19 * figure - *

DOI:   http://dx.doi.org/10.1088/0022-3735/13/11/018
    [ ] - PFLUEGERS ARCHIV EUROPEAN JOURNAL OF PHYSIOLOGY, (200003), vol. 439, no. 5, pages 655 - 664
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.