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Extract from the Register of European Patents

EP About this file: EP1477510

EP1477510 - Ionic complexes and process to prepare these complexes as well as method for controlled release of active agents [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  28.03.2008
Database last updated on 25.09.2024
Most recent event   Tooltip28.03.2008Application deemed to be withdrawnpublished on 30.04.2008  [2008/18]
Applicant(s)For all designated states
Leibniz-Institut für Polymerforschung Dresden e.V.
Hohe Strasse 6
01069 Dresden / DE
[2005/13]
Former [2004/47]For all designated states
Institut für Polymerforschung Dresden e.V.
Hohe Strasse 6
01069 Dresden / DE
Inventor(s)01 / Böhme, Frank, Dr.
Am Burgwartsblick 22
01705, Freital / DE
02 / Sharavanan, Karthikeyan
490, Fourth Street
641038, K.K. Pudur, Coimbatore / IN
03 / Voit, Brigitte
Nürnberger Str. 32
01187, Dresden / DE
 [2004/47]
Representative(s)Rauschenbach, Marion
Rauschenbach Patentanwälte
Postfach 27 01 75
01172 Dresden / DE
[N/P]
Former [2004/47]Rauschenbach, Marion, Dipl.-Ing.
Rauschenbach Patentanwälte Postfach 27 01 75
01172 Dresden / DE
Application number, filing date04101654.421.04.2004
[2004/47]
Priority number, dateDE200312116506.05.2003         Original published format: DE 10321165
[2004/47]
Filing languageDE
Procedural languageDE
PublicationType: A2 Application without search report 
No.:EP1477510
Date:17.11.2004
Language:DE
[2004/47]
Type: A3 Search report 
No.:EP1477510
Date:29.12.2004
[2004/53]
Search report(s)(Supplementary) European search report - dispatched on:EP12.11.2004
ClassificationIPC:C08G73/00, A61K47/48
[2004/47]
CPC:
C08G73/00 (EP); C08G73/02 (EP)
Designated contracting statesAT,   BE,   BG,   CH,   CY,   CZ,   DE,   DK,   EE,   ES,   FI,   FR,   GB,   GR,   HU,   IE,   IT,   LI,   LU,   MC,   NL,   PL,   PT,   RO,   SE,   SI,   SK,   TR [2004/47]
TitleGerman:Ionische Komplexe und Verfahren zu ihrer Herstellung sowie Verfahren zur kontrollierten Abgabe von Wirkstoffen[2004/47]
English:Ionic complexes and process to prepare these complexes as well as method for controlled release of active agents[2004/47]
French:Complexes ioniques et procédé pour leur fabrication et méthode de libération controlée d'agents actifs[2004/47]
Examination procedure26.04.2005Examination requested  [2005/25]
31.08.2006Despatch of a communication from the examining division (Time limit: M04)
12.12.2006Reply to a communication from the examining division
31.10.2007Application deemed to be withdrawn, date of legal effect  [2008/18]
13.12.2007Despatch of communication that the application is deemed to be withdrawn, reason: renewal fee not paid in time  [2008/18]
Fees paidRenewal fee
22.03.2006Renewal fee patent year 03
Penalty fee
Additional fee for renewal fee
30.04.200704   M06   Not yet paid
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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.
Documents cited:Search[A]US2310789  (MADISON HUNT, et al) [A] 1-11* claim 3 *;
 [DX]  - K. SHARAVANAN ET AL, "Synthesis and Properties of Aliphatic Polyacetamidines", MACROMOL. CHEM. PHYS., WEINHEIM, (2002), vol. 203, pages 1852 - 1858, XP002298173 [DX] 1-11 * page 1854, column LEFT, paragraph 2 - paragraph 3 * * page 1854, column RIGHT, paragraph 1 * * page 1855, column LEFT, paragraph 2 * * page 1855, column LEFT, paragraph 6 * * page 1855; figure 1 *

DOI:   http://dx.doi.org/10.1002/1521-3935(200208)203:12<1852::AID-MACP1852>3.0.CO;2-5
 [X]  - TENKOVTSEV ET AL, "Ionic Complexes of Bis(hydroxyarylidene)alkanones with Strong Polymeric Bases as a New Class of Third-Order Nonlinear Optical Chromophores", MACROMOLECULES, (2001), vol. 34, pages 7100 - 7107, XP002298174 [X] 1-11 * page 7101; figure 1 *

DOI:   http://dx.doi.org/10.1021/ma0020234
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.