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Extract from the Register of European Patents

EP About this file: EP1299086

EP1299086 - GELS FORMED BY THE INTERACTION OF POLYVINYLPYRROLIDONE WITH CHITOSAN DERIVATIVES [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  01.10.2010
Database last updated on 16.11.2024
Most recent event   Tooltip01.10.2010Application deemed to be withdrawnpublished on 03.11.2010  [2010/44]
Applicant(s)For all designated states
HYDROMER, INC.
35 Columbia Road
Branchburg, NJ 08876 / US
[2003/15]
Inventor(s)01 / LORENZ, Donald, H.
12 Radel Place
Basking Ridge, NJ 07920 / US
02 / LEE, Connie, C.
44 Wesson Terrace
Northborough, MA 01532-1960 / US
 [2003/15]
Representative(s)Prins, Adrianus Willem, et al
V.O.
Johan de Wittlaan 7
2517 JR Den Haag / NL
[N/P]
Former [2003/15]Prins, Adrianus Willem, et al
Vereenigde, Nieuwe Parklaan 97
2587 BN Den Haag / NL
Application number, filing date01933154.508.05.2001
[2003/15]
WO2001US14724
Priority number, dateUS2000061039805.07.2000         Original published format: US 610398
[2003/15]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO0202079
Date:10.01.2002
Language:EN
[2002/02]
Type: A1 Application with search report 
No.:EP1299086
Date:09.04.2003
Language:EN
The application published by WIPO in one of the EPO official languages on 10.01.2002 takes the place of the publication of the European patent application.
[2003/15]
Search report(s)International search report - published on:US10.01.2002
(Supplementary) European search report - dispatched on:EP23.04.2009
ClassificationIPC:A61K9/14
[2003/15]
CPC:
A61K8/042 (EP,US); A61K47/32 (EP,US); A61K47/36 (EP,US);
A61K8/0208 (EP,US); A61K8/0212 (EP,US); A61K8/736 (EP,US);
A61K8/8176 (EP,US); A61K9/0014 (EP,US); A61P17/00 (EP);
A61P17/02 (EP); A61P17/16 (EP); A61Q19/00 (EP,US);
A61K2800/594 (EP,US); A61Q3/00 (EP,US) (-)
Designated contracting statesAT,   BE,   CH,   CY,   DE,   DK,   ES,   FI,   FR,   GB,   GR,   IE,   IT,   LI,   LU,   MC,   NL,   PT,   SE,   TR [2003/15]
Extension statesALNot yet paid
LTNot yet paid
LVNot yet paid
MKNot yet paid
RONot yet paid
SINot yet paid
TitleGerman:GELE GEFORMT DURCH DIE WECHSELWIRKUNG VON POLYVINYLPYRROLIDON MIT CHITOSAN DERIVATEN[2003/15]
English:GELS FORMED BY THE INTERACTION OF POLYVINYLPYRROLIDONE WITH CHITOSAN DERIVATIVES[2003/15]
French:GELS FORMES PAR L'INTERACTION DE POLYVINYLPYRROLIDONE ET DE DERIVES DE CHITOSANE[2003/15]
Entry into regional phase06.01.2003National basic fee paid 
06.01.2003Search fee paid 
06.01.2003Designation fee(s) paid 
06.01.2003Examination fee paid 
Examination procedure15.01.2002Request for preliminary examination filed
International Preliminary Examining Authority: US
06.01.2003Examination requested  [2003/15]
07.10.2009Despatch of a communication from the examining division (Time limit: M06)
20.04.2010Application deemed to be withdrawn, date of legal effect  [2010/44]
31.05.2010Despatch of communication that the application is deemed to be withdrawn, reason: reply to the communication from the examining division not received in time  [2010/44]
Fees paidRenewal fee
02.06.2003Renewal fee patent year 03
18.05.2004Renewal fee patent year 04
17.05.2005Renewal fee patent year 05
15.05.2006Renewal fee patent year 06
15.05.2007Renewal fee patent year 07
17.03.2008Renewal fee patent year 08
02.06.2009Renewal fee patent year 09
Penalty fee
Additional fee for renewal fee
31.05.201010   M06   Not yet paid
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Documents cited:Search[A]US5578661  (FOX ADRIAN S [US], et al) [A] 1-34* the whole document *;
 [X]  - M. RISBUD ET AL., "Growth modulation of fibroblasts by chitosan-polyvinylpyrrolidone hydrogel: implications for wound management?", JOURNAL OF BIOSCIENCES, India, (200003), vol. 25, no. 1, pages 25 - 31, XP008104904 [X] 1-34 * the whole document *

DOI:   http://dx.doi.org/10.1007/BF02985178
 [L]  - M. RISBUD ET AL., "Properties of polyvinyl pyrrolidone/ beta-chitosan hydrogel membranes and their biocompatibility evaluation by haemorheological method", JOURNAL OF MATERIAL SCIENCE: MATERIALS IN MEDICINE, (2001), vol. 12, pages 75 - 79, XP002522790 [L] 1-34 * page 75, column 2, paragraph 2.1 *

DOI:   http://dx.doi.org/10.1023/A:1026769422026
 [X]  - N. INOYATOV ET AL., "preparation and evaluation of a prolonged release pentoxifylline tablet with chitosan", PHARMAZEUTISCHE INDUSTRIE, (1998), vol. 60, no. 5, pages 472 - 475, XP008104907 [X] 1 * the whole document *
International search[X]US5420197  (LORENZ DONALD H [US], et al)
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.