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: EP0472476

EP0472476 - Process for the production of a asymmetric ultrathin mineral membrane [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  12.10.1995
Database last updated on 12.11.2024
Most recent event   Tooltip12.10.1995No opposition filed within time limitpublished on 29.11.1995 [1995/48]
Applicant(s)For all designated states
LE CARBONE LORRAINE
Tour Manhattan - La Défense 2, 5-6, place de l'Iris
92400 Courbevoie / FR
[N/P]
Former [1992/09]For all designated states
LE CARBONE LORRAINE
Tour Manhattan - La Défense 2, 5-6, place de l'Iris
F-92400 Courbevoie / FR
Inventor(s)01 / Bauer, Jean-Michel
28, rue Jules Ferry
F-54530 Pagny S/Moselle / FR
[1992/09]
Representative(s)Séraphin, Léon, et al
PECHINEY Immeuble "SIS" 217, cours Lafayette
69451 Lyon Cedex 06 / FR
[N/P]
Former [1992/09]Séraphin, Léon, et al
PECHINEY 28, rue de Bonnel
F-69433 Lyon Cedex 03 / FR
Application number, filing date91420268.423.07.1991
[1992/09]
Priority number, dateFR1990000999924.07.1990         Original published format: FR 9009999
[1992/09]
Filing languageFR
Procedural languageFR
PublicationType: A2 Application without search report 
No.:EP0472476
Date:26.02.1992
Language:FR
[1992/09]
Type: A3 Search report 
No.:EP0472476
Date:04.03.1992
Language:FR
[1992/10]
Type: B1 Patent specification 
No.:EP0472476
Date:07.12.1994
Language:FR
[1994/49]
Search report(s)(Supplementary) European search report - dispatched on:EP14.01.1992
ClassificationIPC:B01D71/02, B01D69/10, B01D67/00, B01D69/04, C04B35/52
[1992/09]
CPC:
B01D69/02 (EP,US); B01D71/0215 (EP,US); C04B41/009 (EP,US);
C04B41/4582 (EP,US); C04B41/81 (EP,US); B01D2325/022 (EP,US);
B01D2325/04 (EP,US); B01D2325/12 (EP,US); C04B2111/00793 (EP,US) (-)
C-Set:
C04B41/009, C04B35/00 (US,EP);
C04B41/009, C04B35/52 (US,EP);
C04B41/4582, C04B41/4554, C04B41/463, C04B41/5001, C04B41/5025, C04B41/52 (EP,US);
C04B41/4582, C04B41/4554, C04B41/463, C04B41/5001, C04B41/5053, C04B41/52 (US,EP)
Designated contracting statesAT,   BE,   CH,   DE,   DK,   ES,   GB,   IT,   LI,   LU,   NL,   SE [1992/09]
TitleGerman:Verfahren zur Herstellung einer asymmetrischen, ultradünnen, mineralischen Membran[1992/09]
English:Process for the production of a asymmetric ultrathin mineral membrane[1992/09]
French:Procédé de fabrication d'une membrane minérale ultra-mince et asymétrique[1992/09]
Examination procedure16.03.1992Examination requested  [1992/20]
16.09.1993Despatch of a communication from the examining division (Time limit: M02)
19.10.1993Reply to a communication from the examining division
16.02.1994Despatch of communication of intention to grant (Approval: Yes)
19.05.1994Communication of intention to grant the patent
21.07.1994Fee for grant paid
21.07.1994Fee for publishing/printing paid
Opposition(s)08.09.1995No opposition filed within time limit [1995/48]
Fees paidRenewal fee
07.06.1993Renewal fee patent year 03
23.06.1994Renewal 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]FR2110123  (KUREHA CHEMICAL IND CO LTD);
 [A]US4412921  (LEUNG PAK S [US], et al);
 [AD]EP0208629  (LORRAINE CARBONE [FR]);
 [A]FR2585965  (FABRICATION ELEMENTS CATALYTHI [FR]);
 [AD]EP0250346  (LORRAINE CARBONE [FR]);
 [A]EP0315453  (ALCAN INT LTD [CA])
ExaminationEP0368003
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.