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Extract from the Register of European Patents

EP About this file: EP0712622

EP0712622 - Dental composition and kit [Right-click to bookmark this link]
StatusPatent revoked
Status updated on  05.08.2005
Database last updated on 20.12.2024
Most recent event   Tooltip05.10.2005Change: Appeal number 
Applicant(s)For all designated states
Tokuyama Corporation
1-1, Mikage-cho
Tokuyama-shi, Yamaguchi-ken 745 / JP
[N/P]
Former [1996/21]For all designated states
TOKUYAMA CORPORATION
1-1, Mikage-cho
Tokuyama-shi, Yamaguchi-ken 745 / JP
Inventor(s)01 / Fuchigami, Satoru
c/o Tokuyama Corp., 1-1, Mikage-cho
Tokuyama-shi, Yamaguchi-ken 745 / JP
02 / Ohno, Hideki
c/o Tokuyama Corp., 1-1, Mikage-cho
Tokuyama-shi, Yamaguchi-ken 745 / JP
[1996/21]
Representative(s)Hallybone, Huw George, et al
Carpmaels & Ransford LLP
One Southampton Row
London WC1B 5HA / GB
[N/P]
Former [2001/16]Hallybone, Huw George, et al
CARPMAELS AND RANSFORD 43 Bloomsbury Square
London WC1A 2RA / GB
Former [1996/21]Votier, Sidney David
CARPMAELS & RANSFORD 43, Bloomsbury Square
London WC1A 2RA / GB
Application number, filing date95308275.720.11.1995
[1996/21]
Priority number, dateJP1994028668021.11.1994         Original published format: JP 28668094
JP1994029276428.11.1994         Original published format: JP 29276494
JP1994029996002.12.1994         Original published format: JP 29996094
[1996/21]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0712622
Date:22.05.1996
Language:EN
[1996/21]
Type: B1 Patent specification 
No.:EP0712622
Date:01.09.1999
Language:EN
[1999/35]
Search report(s)(Supplementary) European search report - dispatched on:EP20.03.1996
ClassificationIPC:A61K6/00, A61K6/083
[1996/21]
CPC:
A61K6/30 (EP)
C-Set:
A61K6/30, C08L33/08 (EP);
A61K6/30, C08L33/10 (EP)
Designated contracting statesDE,   FR,   GB [1996/21]
TitleGerman:Dentalmasse und Kit[1996/21]
English:Dental composition and kit[1996/21]
French:Composition dentaire et trousse contenant cette composition[1996/21]
Examination procedure05.07.1996Examination requested  [1996/36]
21.10.1998Despatch of communication of intention to grant (Approval: Yes)
04.03.1999Communication of intention to grant the patent
25.05.1999Fee for grant paid
25.05.1999Fee for publishing/printing paid
Opposition(s)Opponent(s)01  30.05.2000  19.06.2000  ADMISSIBLE
3M ESPE AG
Espe Platz
82229 Seefeld / DE
 [2001/27]
Former [2000/29]
Opponent(s)01  30.05.2000   
ESPE Dental AG
ESPE Platz
D-82229 Seefeld / DE
05.07.2000Invitation to proprietor to file observations on the notice of opposition
27.12.2000Reply of patent proprietor to notice(s) of opposition
16.04.2002Date of oral proceedings
01.07.2002Despatch of interlocutory decision in opposition
01.07.2002Despatch of minutes of oral proceedings
16.06.2005Legal effect of revocation of patent [2005/38]
16.06.2005Despatch of communication that the patent will be revoked
Appeal following opposition31.07.2002Appeal received No.  T0809/02
14.10.2002Statement of grounds filed
16.06.2005Result of appeal procedure: revocation of the patent
16.06.2005Date of oral proceedings
27.06.2005Minutes of the oral proceedings despatched
Fees paidRenewal fee
10.11.1997Renewal fee patent year 03
10.11.1998Renewal fee patent year 04
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Documents cited:Search[XP]EP0661034  (TOKUYAMA CORP [JP]) [XP] 1-10,12,14-18 * page 3, line 45 - page 7, line 29 * * page 8, line 8 - line 21 * * page 8, line 42 - line 59 * * page 9, line 13 - line 15 * * page 9, line 43 - line 51 * * page 7, line 43 - page 8, line 7 *;
 [X]US4806381  (ENGELBRECHT JUERGEN [DE], et al) [X] 1 * column 2, line 20 - column 3, line 16 * * column 7, line 46 - column 8, line 3 *;
 [A]JPH06192030  ;
 [A]US5089051  (EPPINGER BERNHARD [DE], et al);
 [A]US5258067  (PODSZUN WOLFGANG [DE], et al);
 [A]WO9312758  (MINNESOTA MINING & MFG [US]);
 [A]EP0155812  (KURARAY CO [JP]) [A] 19-31 * claims 9-11 *
 [A]  - DATABASE WPI, 1, Derwent World Patents Index, vol. 94, no. 32, Database accession no. 94-260386, XP002000062 & JPH06192030 A 19940712 (TOKUYAMA SODA KK) [A] * abstract *
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.