blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability

2022.02.11

More...
blank News flashes

News Flashes

New version of the European Patent Register – SPC proceedings information in the Unitary Patent Register.

2024-07-24

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0459623

EP0459623 - Asymmetric hollow filamentary carbon membrane and process for producing same [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  08.04.1995
Database last updated on 19.10.2024
Most recent event   Tooltip08.04.1995No opposition filed within time limitpublished on 31.05.1995 [1995/22]
Applicant(s)For all designated states
Ube Industries, Ltd.
12-32, Nishihonmachi, 1-chome
Ube-shi
Yamaguchi / JP
[N/P]
Former [1991/49]For all designated states
UBE INDUSTRIES, LTD.
12-32, Nishihonmachi 1-chome
Ube-shi, Yamaguchi / JP
Inventor(s)01 / Yoshinaga, Toshimune, c/o Ube Industries Ltd.
Chiba Kenkyusho, 8-1, Goi Minamikaigan
Ichihara-shi, Chiba / JP
02 / Shimazaki, Hiroshi, c/o Ube Industries Ltd.
Chiba Kenkyusho, 8-1, Goi Minamikaigan
Ichihara-shi, Chiba / JP
03 / Kusuki, Yoshihiro, c/o Ube Industries Ltd.
Chiba Kenkyusho, 8-1, Goi Minamikaigan
Ichihara-shi, Chiba / JP
04 / Sumiyama, Yoshiyuki, c/o Ube Industries Ltd.
Chiba Kenkyusho, 8-1, Goi Minamikaigan
Ichihara-shi, Chiba / JP
[1991/49]
Representative(s)Arthur, Bryan Edward, et al
Withers & Rogers Goldings House 2 Hays Lane
London SE1 2HW / GB
[N/P]
Former [1991/49]Arthur, Bryan Edward, et al
Withers & Rogers 4 Dyer's Buildings Holborn
London EC1N 2JT / GB
Application number, filing date91303687.724.04.1991
[1991/49]
Priority number, dateJP1990011015727.04.1990         Original published format: JP 11015790
JP1990032095827.11.1990         Original published format: JP 32095890
[1991/49]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report 
No.:EP0459623
Date:04.12.1991
Language:EN
[1991/49]
Type: B1 Patent specification 
No.:EP0459623
Date:08.06.1994
Language:EN
[1994/23]
Search report(s)(Supplementary) European search report - dispatched on:EP06.09.1991
ClassificationIPC:B01D71/02, // D01F9/14
[1991/49]
CPC:
B01D69/02 (EP); B01D71/021 (EP,US); B01D67/0067 (EP);
B01D67/0083 (EP); D01D5/24 (EP); D01F9/24 (EP);
B01D2323/081 (EP,US); B01D2323/082 (EP,US); B01D2323/12 (EP);
B01D2325/04 (EP) (-)
Designated contracting statesDE,   FR,   GB [1991/49]
TitleGerman:Asymmetrische Hohlfadenmembran aus Kohlenstoff und Verfahren zu deren Herstellung[1991/49]
English:Asymmetric hollow filamentary carbon membrane and process for producing same[1991/49]
French:Membrane asymétrique en carbone ayant la forme d'une fibre creuse et procédé pour sa fabrication[1991/49]
Examination procedure27.12.1991Examination requested  [1992/10]
25.08.1993Despatch of communication of intention to grant (Approval: Yes)
14.12.1993Communication of intention to grant the patent
04.03.1994Fee for grant paid
04.03.1994Fee for publishing/printing paid
Opposition(s)09.03.1995No opposition filed within time limit [1995/22]
Fees paidRenewal fee
05.03.1993Renewal fee patent year 03
15.03.1994Renewal fee patent year 04
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.
Documents cited:Search[A]JP60202703  ;
 [A]US4444574  (TRADEWELL GEORGE [US], et al);
 [A]US4685940  (SOFFER ABRAHAM [IL], et al)
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.