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Extract from the Register of European Patents

EP About this file: EP0564659

EP0564659 - PROCESS FOR PRODUCING ALUMINUM HYDROXIDE FROM ALUMINA-CONTAINING ORE [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.02.2000
Database last updated on 02.11.2024
Most recent event   Tooltip11.02.2000No opposition filed within time limitpublished on 29.03.2000 [2000/13]
Applicant(s)For all designated states
SUMITOMO CHEMICAL COMPANY LIMITED
5-33, Kitahama 4-chome, Chuo-ku Osaka-shi
Osaka 541-0041 / JP
[N/P]
Former [1999/14]For all designated states
SUMITOMO CHEMICAL COMPANY LIMITED
5-33, Kitahama 4-chome, Chuo-ku
Osaka-shi, Osaka 541-0041 / JP
Former [1993/41]For all designated states
SUMITOMO CHEMICAL COMPANY LIMITED
5-33, Kitahama 4-chome, Chuo-ku
Osaka-shi, Osaka 541 / JP
Inventor(s)01 / HARATO, Takuo
4-18, Hoshigoe-cho
Niihama-shi Ehime 792 / JP
02 / ISHIDA, Takahiro
142-108, Takihama
Niihama-shi Ehime 792 / JP
03 / KUMAGAE, Yoshio
9-6-5, Honmachi
Toyonaka-shi Osaka 560 / JP
04 / INAMI, Michikazu
6-11, Oji-cho
Niihama-shi Ehime 792 / JP
05 / ISHIBASHI, Kazuhisa
20-1, Hoshigoe-cho
Niihama-shi Ehime 792 / JP
06 / MURAKAMI, Mitsuaki
20-1, Hoshigoe-cho
Niihama-shi Ehime 792 / JP
[1993/41]
Representative(s)Vossius & Partner Patentanwälte Rechtsanwälte mbB
Siebertstrasse 3
81675 München / DE
[N/P]
Former [1993/41]VOSSIUS & PARTNER
Postfach 86 07 67
D-81634 München / DE
Application number, filing date92922403.829.10.1992
[1993/41]
WO1992JP01397
Priority number, dateJP1991028464830.10.1991         Original published format: JP 28464891
[1993/41]
Filing languageJA
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9309062
Date:13.05.1993
Language:EN
[1993/12]
Type: A1 Application with search report 
No.:EP0564659
Date:13.10.1993
Language:EN
The application published by WIPO in one of the EPO official languages on 13.05.1993 takes the place of the publication of the European patent application.
[1993/41]
Type: B1 Patent specification 
No.:EP0564659
Date:07.04.1999
Language:EN
[1999/14]
Search report(s)International search report - published on:JP13.05.1993
(Supplementary) European search report - dispatched on:EP01.12.1993
ClassificationIPC:C01F7/06, C01F7/47
[1994/01]
CPC:
C01F7/062 (EP); C01F7/47 (EP)
Former IPC [1993/41]C01F7/06
Designated contracting statesDE,   FR,   GB,   IT [1993/41]
TitleGerman:VERFAHREN ZUR HERSTELLUNG VON ALUMINIUMHYDROXID AUS ALUMINIUMOXID ENTHALTENDEN ERZEN[1998/42]
English:PROCESS FOR PRODUCING ALUMINUM HYDROXIDE FROM ALUMINA-CONTAINING ORE[1993/41]
French:PROCEDE POUR LA PRODUCTION D'HYDROXYDE D'ALUMINIUM A PARTIR D'UN MINERAI CONTENANT DE L'ALUMINE[1993/41]
Former [1993/41]VERFAHREN ZUR HERSTELLUNG VON ALUMINIUMHYDROXID AUS ALUMINUMENTHALTENDEN ERZEN
Entry into regional phase30.06.1993Translation filed 
28.07.1993National basic fee paid 
28.07.1993Search fee paid 
28.07.1993Designation fee(s) paid 
28.07.1993Examination fee paid 
Examination procedure28.07.1993Examination requested  [1993/41]
31.10.1994Despatch of a communication from the examining division (Time limit: M06)
09.05.1995Reply to a communication from the examining division
14.09.1995Despatch of a communication from the examining division (Time limit: M06)
25.03.1996Reply to a communication from the examining division
12.11.1996Despatch of a communication from the examining division (Time limit: M06)
22.05.1997Reply to a communication from the examining division
27.05.1998Despatch of communication of intention to grant (Approval: No)
13.08.1998Despatch of communication of intention to grant (Approval: later approval)
28.08.1998Communication of intention to grant the patent
23.11.1998Fee for grant paid
23.11.1998Fee for publishing/printing paid
Opposition(s)08.01.2000No opposition filed within time limit [2000/13]
Fees paidRenewal fee
28.10.1994Renewal fee patent year 03
30.10.1995Renewal fee patent year 04
29.10.1996Renewal fee patent year 05
30.10.1997Renewal fee patent year 06
30.10.1998Renewal fee patent year 07
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Documents cited:Search[A]AU434281  (REYNOLDS METALS);
 [A]DE830945  (RUDOLF WITTIG DR) [A] 1,4 * figure .; claim 1 *;
 [A]FR1106750  (VAW VER ALUMINIUM WERKE AG) [A] 1,4 * page 1, column L, line 24 - line 33; claim 1 *;
 [Y]FR2360514  (SUMITOMO ALUMINIUM SMELTING CO [JP]) [Y] 1-5 * the whole document *
 [Y]  - E. BARTHOLOMÉ, Ullmanns Encyklopädie der technischen Chemie, 4te Auflage, WEINHEIM (DE), VERLAG CHEMIE, (1974) [Y] 1-5 * page 310, column R, paragraph 2 - page 311, column L, paragraph 2; figure 9B *
International search[Y]JPS378257B  ;
 [A]JPS4837678B  ;
 [A]JPS57145029  (SUMITOMO ALUMINIUM SMELTING CO);
 [Y]JPS62230613  (NIPPON LIGHT METAL CO, et al);
 [A]JPS63190709  (NIPPON LIGHT METAL CO)
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.