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Extract from the Register of European Patents

EP About this file: EP0638097

EP0638097 - PREPARING CROSSLINKABLE POLYMERS EMPLOYING MACROMONOMER CHAIN TRANSFER AGENTS [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  02.04.2010
Database last updated on 29.03.2025
Most recent event   Tooltip02.04.2010Revocation of patentpublished on 05.05.2010  [2010/18]
Applicant(s)For all designated states
E. I. du Pont de Nemours and Company
1007 Market Street
Wilmington, DE 19898 / US
[N/P]
Former [2007/11]For all designated states
E.I. DU PONT DE NEMOURS AND COMPANY
1007 Market Street Wilmington
Delaware 19898 / US
Former [1995/07]For all designated states
E.I. DU PONT DE NEMOURS AND COMPANY
1007 Market Street
Wilmington Delaware 19898 / US
Inventor(s)01 / DARMON, Michael, J.
625 Bender Drive
Aston, PA 19014 / US
02 / BERGE, Charles, T.
2621 Boxwood Drive
Wilmington, DE 19810 / US
03 / ANTONELLI, Joseph, Albert
860 Homewood Drive
Riverton, NJ 08077 / US
04 / MURPHY, Christopher, E.
101 Center Court
Wilmington, DE 19810 / US
[1995/07]
Representative(s)Kuhnen & Wacker Patent- und Rechtsanwaltsbüro PartG mbB
Prinz-Ludwig-Straße 40A
85354 Freising / DE
[N/P]
Former [1999/40]R.A. KUHNEN & P.A. WACKER
Patentanwaltsgesellschaft mbH Alois-Steinecker-Strasse 22
85354 Freising / DE
Former [1995/07]Abitz, Walter, Dr.-Ing.
Patentanwälte Abitz & Partner, Poschingerstrasse 6
D-81679 München / DE
Application number, filing date93911020.103.05.1993
[1995/07]
WO1993US04177
Priority number, dateUS1992087676401.05.1992         Original published format: US 876764
US1992088762622.05.1992         Original published format: US 887626
[1995/07]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9322355
Date:11.11.1993
Language:EN
[1993/27]
Type: A1 Application with search report 
No.:EP0638097
Date:15.02.1995
Language:EN
The application published by WIPO in one of the EPO official languages on 11.11.1993 takes the place of the publication of the European patent application.
[1995/07]
Type: B1 Patent specification 
No.:EP0638097
Date:14.03.2007
Language:EN
[2007/11]
Search report(s)International search report - published on:US11.11.1993
(Supplementary) European search report - dispatched on:EP09.08.1995
ClassificationIPC:C08F20/54, C08F220/10
[1995/07]
CPC:
C08F2/38 (EP,KR); C08F220/18 (KR); C08F220/06 (KR);
C08F220/14 (KR); C08F220/44 (KR); C08F220/56 (KR);
C08F290/04 (KR) (-)
Designated contracting statesBE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   NL,   SE [1995/10]
Former [1995/07]AT,  BE,  CH,  DE,  DK,  ES,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:HERSTELLUNG VON VERNETZBAREN POLYMEREN MITTELS MAKROMONOMER-CHAIN-TRANSFER-AGENTIEN[1995/07]
English:PREPARING CROSSLINKABLE POLYMERS EMPLOYING MACROMONOMER CHAIN TRANSFER AGENTS[1995/07]
French:PROCEDE DE PREPARATION DE POLYMERES RETICULABLES UTILISANT DES AGENTS MACROMONOMERES DE TRANSFERT DE CHAINE[1995/07]
Entry into regional phase21.10.1994National basic fee paid 
21.10.1994Search fee paid 
21.10.1994Designation fee(s) paid 
21.10.1994Examination fee paid 
Examination proceduredeletedApplication refused, date of legal effect [2003/31]
05.11.1993Request for preliminary examination filed
International Preliminary Examining Authority: US
21.10.1994Examination requested  [1995/07]
22.09.1998Despatch of a communication from the examining division (Time limit: M04)
22.01.1999Reply to a communication from the examining division
08.05.2000Despatch of a communication from the examining division (Time limit: M06)
17.11.2000Reply to a communication from the examining division
26.01.2001Despatch of a communication from the examining division (Time limit: M04)
05.06.2001Reply to a communication from the examining division
20.01.2003Despatch of communication that the application is refused, reason: formalities examination [2003/26]
20.01.2003Despatch of communication that the application is refused, reason: formalities examination [2003/31]
30.01.2003Application refused, date of legal effect [2003/26]
07.03.2006Despatch of a communication from the examining division (Time limit: M06)
26.06.2006Reply to a communication from the examining division
31.08.2006Communication of intention to grant the patent
19.10.2006Fee for grant paid
19.10.2006Fee for publishing/printing paid
Appeal following examination28.03.2003Appeal received No.  T1053/03
30.05.2003Statement of grounds filed
30.11.2005Result of appeal procedure: remittal for grant
30.11.2005Date of oral proceedings
08.12.2005Minutes of oral proceedings despatched
Divisional application(s)EP07004704.8  / EP1795543
Opposition(s)Opponent(s)01  14.12.2007  17.01.2008  ADMISSIBLE
NUPLEX RESINS BV
Synthesebaan 1
4600 AB Bergen op Zoom / NL
Opponent's representative
Derks, Wilbert, et al, et al
Howrey LLP
Rembrandt Tower
Amstelplein 1, 31st Floor
1096 HA Amsterdam / NL
 [N/P]
Former [2008/04]
Opponent(s)01  14.12.2007   
NUPLEX RESINS BV
Synthesebaan 1
4600 AB Bergen op Zoom / NL
Opponent's representative
Derks, Wilbert, et al, et al
Howrey LLP P.O. Box 94361
1090 GJ Amsterdam / NL
24.01.2008Invitation to proprietor to file observations on the notice of opposition
04.08.2008Reply of patent proprietor to notice(s) of opposition
19.11.2009Date of oral proceedings
15.12.2009Despatch of minutes of oral proceedings
15.12.2009Despatch of communication that the patent will be revoked
25.12.2009Legal effect of revocation of patent [2010/18]
Fees paidRenewal fee
21.10.1994Renewal fee patent year 03
25.04.1996Renewal fee patent year 04
25.04.1997Renewal fee patent year 05
27.04.1998Renewal fee patent year 06
26.04.1999Renewal fee patent year 07
25.05.2000Renewal fee patent year 08
14.05.2001Renewal fee patent year 09
14.05.2002Renewal fee patent year 10
13.05.2003Renewal fee patent year 11
13.05.2004Renewal fee patent year 12
12.05.2005Renewal fee patent year 13
10.05.2006Renewal fee patent year 14
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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.
Lapses during opposition  TooltipBE14.03.2007
CH14.03.2007
DK14.03.2007
LI14.03.2007
NL14.03.2007
SE14.06.2007
[2008/08]
Former [2008/05]BE14.03.2007
CH14.03.2007
LI14.03.2007
NL14.03.2007
SE14.06.2007
Documents cited:Search   [ ] - No further relevant documents disclosed
International search[XY]US3672889  (BALTAZZI EVAN S, et al);
 [Y]JPH03161592  (DAI ICHI KOGYO SEIYAKU CO LTD);
 [Y]JPH03161593  (DAI ICHI KOGYO SEIYAKU CO LTD)
 [X]  - J. Macromol. Sci.-Chem. A, 23 (7), pages 839-852 (1986), "Copolymerization of w-Unsaturated Oligo (Methyl Methacrylate): New Macromonomers", (P. CACIOLI et al.), see the entire document.
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.