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
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0659464

EP0659464 - Production of nitrogen using membranes with temperature tracking [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  02.07.1999
Database last updated on 28.06.2024
Most recent event   Tooltip30.07.2004Change - lapse in a contracting state
Updated state(s): LU
published on 15.09.2004  [2004/38]
Applicant(s)For all designated states
PRAXAIR TECHNOLOGY, INC.
39 Old Ridgebury Road
Danbury, CT 06810-5113 / US
[1995/26]
Inventor(s)01 / Prasad, Ravi
12 Yardly Lane
East Amherst, New York / US
[1995/26]
Representative(s)Schwan, Gerhard
Schwan Schwan Schorer
Patentanwälte
Bauerstrasse 22
80796 München / DE
[N/P]
Former [1995/26]Schwan, Gerhard, Dipl.-Ing.
Elfenstrasse 32
D-81739 München / DE
Application number, filing date94120217.820.12.1994
[1995/26]
Priority number, dateUS1993017088321.12.1993         Original published format: US 170883
[1995/26]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0659464
Date:28.06.1995
Language:EN
[1995/26]
Type: A3 Search report 
No.:EP0659464
Date:07.05.1997
[1997/19]
Type: B1 Patent specification 
No.:EP0659464
Date:26.08.1998
Language:EN
[1998/35]
Search report(s)(Supplementary) European search report - dispatched on:EP25.03.1997
ClassificationIPC:B01D53/22
[1995/26]
CPC:
B01D53/22 (EP,KR,US); B01D53/226 (EP,US); B01D2256/10 (KR);
C01B21/0438 (KR)
Designated contracting statesBE,   CH,   DE,   DK,   ES,   FR,   GB,   IT,   LI,   LU,   NL,   SE [1995/26]
TitleGerman:Herstellung von Stickstoff unter Verwendung von Membranen mit Temperaturüberwachung[1995/26]
English:Production of nitrogen using membranes with temperature tracking[1995/26]
French:Production d'azote utilisant des membranes avec surveillance de la température[1995/26]
Examination procedure20.05.1997Examination requested  [1997/29]
21.10.1997Despatch of communication of intention to grant (Approval: No)
30.01.1998Despatch of communication of intention to grant (Approval: later approval)
26.02.1998Communication of intention to grant the patent
24.04.1998Fee for grant paid
24.04.1998Fee for publishing/printing paid
Opposition(s)27.05.1999No opposition filed within time limit [1999/33]
Fees paidRenewal fee
22.11.1996Renewal fee patent year 03
24.11.1997Renewal fee patent year 04
Penalty fee
Penalty fee Rule 85a EPC 1973
06.02.1995DK   M01   Fee paid on   06.02.1995
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  TooltipBE26.08.1998
CH26.08.1998
ES26.08.1998
LI26.08.1998
NL26.08.1998
DK26.11.1998
SE26.11.1998
LU20.12.1998
[2004/38]
Former [2003/45]BE26.08.1998
CH26.08.1998
ES26.08.1998
LI26.08.1998
NL26.08.1998
DK26.11.1998
SE26.11.1998
LU31.12.1998
Former [2003/08]BE26.08.1998
CH26.08.1998
ES26.08.1998
LI26.08.1998
NL26.08.1998
SE26.11.1998
LU31.12.1998
Former [2002/26]BE26.08.1998
CH26.08.1998
ES26.08.1998
LI26.08.1998
SE26.11.1998
LU31.12.1998
Former [2000/52]BE26.08.1998
CH26.08.1998
LI26.08.1998
SE26.11.1998
LU31.12.1998
Former [2000/50]BE26.08.1998
SE26.11.1998
CH01.12.1998
LI01.12.1998
LU31.12.1998
Former [2000/07]BE26.08.1998
SE26.11.1998
LU31.12.1998
Former [1999/32]BE26.08.1998
SE26.11.1998
Former [1999/27]BE26.08.1998
Documents cited:Search[A]EP0517570  (AIR LIQUIDE [FR]) [A] 1 * page 1, line 6 - page 1, line 29 * * page 1, line 53 - page 2, line 3 * * page 8, line 55 - page 9, line 6 ** figures 1,2 *
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.