Extract from the Register of European Patents

EP About this file: EP0826784

EP0826784 - Carbon support impregnated with anthrahydroquinone and metal for treating noble metal complex ions in aqueous solution [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.05.2001
Database last updated on 26.03.2026
Most recent event   Tooltip11.05.2001No opposition filed within time limitpublished on 27.06.2001 [2001/26]
Applicant(s)For all designated states
KAWASAKI KASEI CHEMICALS LTD.
3-8-2, Nihonbashi Chuo-ku
Tokyo 103-0027 / JP
[N/P]
Former [2001/03]For all designated states
KAWASAKI KASEI CHEMICALS LTD.
3-8-2, Nihonbashi
Chuo-ku Tokyo 103-0027 / JP
Former [2000/28]For all designated states
KAWASAKI KASEI CHEMICALS LTD.
3-8-2, Nihonbashi
Chuo-ku Tokyo 103-0027 / JP
For all designated states
N.E. CHEMCAT CORPORATION
4-1, 2-chome, Hamamatsu-cho
Minato-ku, Tokyo / JP
Former [1998/10]For all designated states
KAWASAKI KASEI CHEMICALS LTD.
3-8-2, Nihonbashi
Chuo-ku Tokyo / JP
For all designated states
N.E. CHEMCAT CORPORATION
4-1, 2-chome, Hamamatsu-cho
Minato-ku, Tokyo / JP
Inventor(s)01 / Hirata, Suehide
Kawasaki Kasei Chemicals Ltd., 1-2, Chidori-cho
Kawasaki-ku, Kawasaki-shi, Kanagawa / JP
02 / Kusabe, Koji
Kawasaki Kasei Chemicals Ltd., 1-2, Chidori-cho
Kawasaki-ku, Kawasaki-shi, Kanagawa / JP
03 / Nakamura, Hiroshi
N.E. Chemcat Corporation, 678, Ipponmatsu
Numazu-shi, Shizuoka / JP
04 / Fujiwara, Kikuo
N.E. Chemcat Corporation, 4-1, Hamamatsucho 2-cho.
Minato-ku, Tokyo / JP
[1998/23]
Former [1998/10]01 / Hirata, Suehide
Kawasaki Kasei Chemicals Ltd., 1-2, Chidori-cho
Kawasaki-ku, Kawasaki-shi, Kanagawa / JP
02 / Kusabe, Koji
Kawasaki Kasei Chemicals Ltd., 1-2, Chidori-cho
Kawasaki-ku, Kawasaki-shi, Kanagawa / JP
03 / Nakamura, Hiroshi
N.E. Chemcat Corporation, 678, Ipponmatsu
Numazu-shi, Shizuoka / JP
04 / Fujiwara, Kikuo
N.E. Chemcat Corporation, 678, Ipponmatsu
Numazu-shi, Shizuoka / JP
Representative(s)Wächtershäuser, Günter
Wächtershäuser & Hartz
Patentanwälte
Ottostrasse 4
80333 München / DE
[N/P]
Former [1998/10]Wächtershäuser, Günter, Prof. Dr.
Patentanwalt, Tal 29
80331 München / DE
Application number, filing date97114118.914.08.1997
[1998/10]
Priority number, dateJP1996022353426.08.1996         Original published format: JP 22353496
JP1996022353526.08.1996         Original published format: JP 22353596
[1998/10]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0826784
Date:04.03.1998
Language:EN
[1998/10]
Type: A3 Search report 
No.:EP0826784
Date:25.03.1998
[1998/13]
Type: B1 Patent specification 
No.:EP0826784
Date:12.07.2000
Language:EN
[2000/28]
Search report(s)(Supplementary) European search report - dispatched on:EP06.02.1998
ClassificationIPC:C22B3/24, C22B3/44, C22B11/00, B01J20/20, C01B31/08, C02F1/62, C02F1/70, C07C39/225
[1998/13]
CPC:
C22B11/046 (EP,US); C22B3/24 (EP,US); Y02P10/20 (EP,US)
Former IPC [1998/10]C22B3/24, C22B3/44, C22B11/00
Designated contracting statesDE,   FR,   GB,   IT [1998/50]
Former [1998/10]AT,  BE,  CH,  DE,  DK,  ES,  FI,  FR,  GB,  GR,  IE,  IT,  LI,  LU,  MC,  NL,  PT,  SE 
TitleGerman:Mit Antrahydrochinon und Metall versehener Kohleträger zur Entfernung von Edelmetallkomplexionen aus wässrigen Lösungen[1998/10]
English:Carbon support impregnated with anthrahydroquinone and metal for treating noble metal complex ions in aqueous solution[1998/10]
French:Support de charbon imprégné d'antrahydroquinone et de métal pour le traitement d'ions complexés de métaux précieux dissous en solution aqueuse[1998/10]
Examination procedure26.05.1998Examination requested  [1998/30]
03.05.1999Despatch of a communication from the examining division (Time limit: M04)
13.09.1999Reply to a communication from the examining division
29.10.1999Despatch of communication of intention to grant (Approval: Yes)
30.12.1999Communication of intention to grant the patent
01.03.2000Fee for grant paid
01.03.2000Fee for publishing/printing paid
Opposition(s)13.04.2001No opposition filed within time limit [2001/26]
Fees paidRenewal fee
30.08.1999Renewal fee patent year 03
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Documents cited:Search[A] JPH08108185  
 [A] JPH07185568  
 [PA] JPH08238488  
 [A]   PATENT ABSTRACTS OF JAPAN vol. 096, no. 008 30 August 1996 (1996-08-30) [A] 1,2,5-7 * abstract *
 [A]   PATENT ABSTRACTS OF JAPAN vol. 095, no. 010 30 November 1995 (1995-11-30) [A] 1,2,5-7 * abstract *
 [PA]   PATENT ABSTRACTS OF JAPAN vol. 097, no. 001 31 January 1997 (1997-01-31) [PA] 1,2,5 * abstract *
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