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Extract from the Register of European Patents

EP About this file: EP0505583

EP0505583 - PROCESS FOR PRODUCING SILICA GEL [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  24.01.1997
Database last updated on 18.11.2024
Most recent event   Tooltip07.12.2007Lapse of the patent in a contracting state
New state(s): NL		published on 09.01.2008  [2008/02]
Applicant(s)For all designated states
FUJI-DAVISON CHEMICAL LTD.
1846, Kozoji-cho 2-chome Kasugai-shi
Aichi 487 / JP
[N/P]
Former [1992/40]For all designated states
FUJI-DAVISON CHEMICAL LTD.
1846, Kozoji-cho 2-chome
Kasugai-shi, Aichi 487 / JP
Inventor(s)01 / MATSUI, Takashi, Fuji-Davison Chemical Ltd.
1846, Kozoji-cho 2-chome
Kasugai-shi, Aichi 487 / JP
02 / WATANABE, Nobuki, Fuji-Davison Chemical Ltd.
1846, Kozoji-cho 2-chome
Kasugai-shi, Aichi 487 / JP
03 / ARIMURA, Masayuki, Fuji-Davison Chemical Ltd.
1846, Kozoji-cho 2-chome
Kasugai-shi, Aichi 487 / JP
04 / KANEMARU, Eiji, Fuji-Davison Chemical Ltd.
1846, Kozoji-cho 2-chome
Kasugai-shi, Aichi 487 / JP
05 / HORINOUCHI, Yuzo, Fuji-Davison Chemical Ltd.
1846, Kozoji-cho 2-chome
Kasugai-shi, Aichi 487 / JP
06 / ITO, Mutsuhiro, Fuji-Davison Chemical Ltd.
1846, Kozoji-cho 2-chome
Kasugai-shi, Aichi 487 / JP
[1992/40]
Representative(s)Tiedtke, Harro, et al
Patentanwaltsbüro
Tiedtke-Bühling-Kinne & Partner
Bavariaring 4
80336 München / DE
[N/P]
Former [1992/40]Tiedtke, Harro, Dipl.-Ing., et al
Patentanwaltsbüro Tiedtke-Bühling-Kinne & Partner Bavariaring 4
D-80336 München / DE
Application number, filing date91919289.811.10.1991
[1992/40]
WO1991JP01404
Priority number, dateJP1990027464312.10.1990         Original published format: JP 27464390
[1992/40]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9206920
Date:30.04.1992
Language:EN
[1992/10]
Type: A1 Application with search report 
No.:EP0505583
Date:30.09.1992
Language:EN
The application published by WIPO in one of the EPO official languages on 30.04.1992 takes the place of the publication of the European patent application.
[1992/40]
Type: B1 Patent specification 
No.:EP0505583
Date:20.03.1996
Language:EN
[1996/12]
Search report(s)International search report - published on:JP30.04.1992
(Supplementary) European search report - dispatched on:EP23.07.1993
ClassificationIPC:C01B33/152
[1992/40]
CPC:
C01B33/152 (EP,US)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   FR,   GB,   GR,   IT,   LI,   LU,   NL,   SE [1992/40]
TitleGerman:VERFAHREN ZUR HERSTELLUNG EINES KIESELSÄUREGELS[1992/40]
English:PROCESS FOR PRODUCING SILICA GEL[1992/40]
French:PROCEDE DE PREPARATION D'UN GEL DE SILICE[1992/40]
Entry into regional phase18.03.1992Translation filed 
18.03.1992National basic fee paid 
18.03.1992Search fee paid 
18.03.1992Designation fee(s) paid 
18.03.1992Examination fee paid 
Examination procedure18.03.1992Examination requested  [1992/40]
20.12.1993Despatch of a communication from the examining division (Time limit: M04)
29.04.1994Reply to a communication from the examining division
05.10.1994Despatch of a communication from the examining division (Time limit: M04)
24.01.1995Reply to a communication from the examining division
02.05.1995Despatch of communication of intention to grant (Approval: Yes)
18.07.1995Communication of intention to grant the patent
20.10.1995Fee for grant paid
20.10.1995Fee for publishing/printing paid
Opposition(s)21.12.1996No opposition filed within time limit [1997/11]
Fees paidRenewal fee
26.10.1993Renewal fee patent year 03
25.10.1994Renewal fee patent year 04
27.10.1995Renewal fee patent year 05
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court		 See the Register of the Unified Patent Court for opt-out data
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  TooltipAT20.03.1996
BE20.03.1996
CH20.03.1996
DK20.03.1996
ES20.03.1996
GR20.03.1996
IT20.03.1996
LI20.03.1996
NL20.03.1996
SE20.06.1996
LU31.10.1996
[2003/07]
Former [2002/25]AT20.03.1996
BE20.03.1996
CH20.03.1996
DK20.03.1996
ES20.03.1996
GR20.03.1996
IT20.03.1996
LI20.03.1996
SE20.06.1996
LU31.10.1996
Former [2000/05]AT20.03.1996
BE20.03.1996
CH20.03.1996
DK20.03.1996
GR20.03.1996
IT20.03.1996
LI20.03.1996
SE20.06.1996
LU31.10.1996
Former [1999/42]AT20.03.1996
BE20.03.1996
CH20.03.1996
DK20.03.1996
IT20.03.1996
LI20.03.1996
SE20.06.1996
Former [1998/15]AT20.03.1996
BE20.03.1996
CH20.03.1996
DK20.03.1996
LI20.03.1996
SE20.06.1996
Former [1997/13]AT20.03.1996
BE20.03.1996
CH20.03.1996
LI20.03.1996
SE20.06.1996
Former [1997/03]AT20.03.1996
BE20.03.1996
SE20.06.1996
Former [1996/52]BE20.03.1996
SE20.06.1996
Former [1996/44]SE20.06.1996
Documents cited:Search[A]US2561304  (FREDERIC HAZEL JAMES);
 [A]FR2098070  (GRACE W R LTD)
International search[Y]JPS4724359B  ;
 [Y]JPS50161484
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.