Extract from the Register of European Patents

EP About this file: EP0811587

EP0811587 - Process for producing porous ceramic with the composition Pb(ZrxTi1-x)O3 [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.06.2001
Database last updated on 30.03.2026
Most recent event   Tooltip08.06.2001No opposition filed within time limitpublished on 25.07.2001 [2001/30]
Applicant(s)For all designated states
Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.
Leonrodstrasse 54
80636 München / DE
[N/P]
Former [1997/50]For all designated states
FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
Leonrodstrasse 54
80636 München / DE
Inventor(s)01 / Löbmann, Peer
Neubergstrasse 48a
97072 Würzburg / DE
02 / Glaubitt, Walther
Gablonzer Weg 16
97209 Veitshöchheim / DE
03 / Fricke, Jochen Prof. Dr.
Paul-Ehrlichstrasse 32
97218 Gerbrunn / DE
[1997/50]
Application number, filing date97108293.822.05.1997
[1997/50]
Priority number, dateDE1996102250005.06.1996         Original published format: DE 19622500
[1997/50]
Filing languageDE
Procedural languageDE
PublicationType: A1 Application with search report 
No.:EP0811587
Date:10.12.1997
Language:DE
[1997/50]
Type: B1 Patent specification 
No.:EP0811587
Date:09.08.2000
Language:DE
[2000/32]
Search report(s)(Supplementary) European search report - dispatched on:EP25.09.1997
ClassificationIPC:C04B35/472, C04B35/491
[1997/50]
CPC:
C04B35/472 (EP,US); C04B35/491 (EP,US); C04B35/624 (EP,US)
Designated contracting statesDE,   FR,   GB,   NL [1997/50]
TitleGerman:Verfahren zur Herstellung poröser Keramik der Zusammensetzung Pb(ZrxTi1-x)O3[1997/50]
English:Process for producing porous ceramic with the composition Pb(ZrxTi1-x)O3[1997/50]
French:Procédé de fabrication d'un matériau céramic poreux de composition Pb(ZrxTi1-x)O3[1997/50]
Examination procedure22.12.1997Examination requested  [1998/10]
08.11.1999Despatch of communication of intention to grant (Approval: Yes)
17.11.1999Communication of intention to grant the patent
30.11.1999Fee for grant paid
30.11.1999Fee for publishing/printing paid
Opposition(s)10.05.2001No opposition filed within time limit [2001/30]
Fees paidRenewal fee
22.05.1999Renewal fee patent year 03
20.05.2000Renewal fee patent year 04
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Documents cited:Search[A] JPH02281769  
 [A] JPH01145384  
 [A] JPH01294516  
 [AP] JPH08198615  
 [A]   DATABASE WPI Section Ch Week 9101, Derwent World Patents Index; Class L03, AN 91-004202, XP002040217 [A] 1-3,8,10 * abstract *
 [A]   PATENT ABSTRACTS OF JAPAN vol. 013, no. 402 (C - 633) 6 September 1989 (1989-09-06) [A] 1-3,8,10 * abstract *
 [A]   DEKLEVA T W ET AL: "SOL-GEL PROCESSING OF LEAD TITANATE IN 2-METHOXYETHANOL: INVESTIGATIONS INTO THE NATURE OF THE PREHYDROLYZED SOLUTIONS", JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 71, no. 5, May 1988 (1988-05-01), pages C280 - C282, XP000037819 [A] 1-10

DOI:   http://dx.doi.org/10.1111/j.1151-2916.1988.tb05081.x
 [A]   DATABASE WPI Section Ch Week 9002, Derwent World Patents Index; Class L01, AN 90-012875, XP002040218 [A] 1 * abstract *
 [AP]   PATENT ABSTRACTS OF JAPAN vol. 096, no. 012 26 December 1996 (1996-12-26) [AP] 1 * abstract *
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