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(12) Patent Application: | (11) CA 2134172 |
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(54) English Title: | PROCEDE ET INSTALLATION DE PRODUCTION D'OXYGENE ET/OU D'AZOTE SOUS PRESSION |
(54) French Title: | COMPRESSED OXYGEN AND/OR NITROGEN PRODUCTION PROCESS AND PLANT |
Status: | Deemed Abandoned and Beyond the Period of Reinstatement - Pending Response to Notice of Disregarded Communication |
(51) International Patent Classification (IPC): |
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(72) Inventors : |
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(73) Owners : |
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(71) Applicants : |
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(74) Agent: | NORTON ROSE FULBRIGHT CANADA LLP/S.E.N.C.R.L., S.R.L. |
(74) Associate agent: | |
(45) Issued: | |
(22) Filed Date: | 1994-10-24 |
(41) Open to Public Inspection: | 1995-04-27 |
Examination requested: | 2001-10-24 |
Availability of licence: | N/A |
Dedicated to the Public: | N/A |
(25) Language of filing: | French |
Patent Cooperation Treaty (PCT): | No |
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(30) Application Priority Data: | ||||||
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ABREGE DESCRIPTIF
Dans ce procédé de distillation d'air, du
type à pompe d'oxygène liquide et à vaporisation
d'oxygène liquide sous pression, on utilise au moins
trois surpresseurs, dont deux sont montés en série
et alimentent la ligne d'échange thermique en air à
une haute pression de vaporisation d'oxygène. De
l'air est soutiré entre ces deux surpresseurs,
détendu à la moyenne pression et introduit en cuve
de la colonne moyenne pression, et l'un au moins des
trois surpresseurs consomme l'énergie mécanique
développée par la turbine. Ce procédé a des
performances énergétiques particulièrement élevées.
Note: Claims are shown in the official language in which they were submitted.
Note: Descriptions are shown in the official language in which they were submitted.
2024-08-01:As part of the Next Generation Patents (NGP) transition, the Canadian Patents Database (CPD) now contains a more detailed Event History, which replicates the Event Log of our new back-office solution.
Please note that "Inactive:" events refers to events no longer in use in our new back-office solution.
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Description | Date |
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Application Not Reinstated by Deadline | 2003-10-24 |
Time Limit for Reversal Expired | 2003-10-24 |
Deemed Abandoned - Failure to Respond to Maintenance Fee Notice | 2002-10-24 |
Letter Sent | 2002-05-09 |
Inactive: Status info is complete as of Log entry date | 2001-11-20 |
Inactive: Application prosecuted on TS as of Log entry date | 2001-11-20 |
Letter Sent | 2001-11-20 |
Request for Examination Requirements Determined Compliant | 2001-10-24 |
Amendment Received - Voluntary Amendment | 2001-10-24 |
All Requirements for Examination Determined Compliant | 2001-10-24 |
Application Published (Open to Public Inspection) | 1995-04-27 |
Abandonment Date | Reason | Reinstatement Date |
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2002-10-24 |
The last payment was received on 2001-10-04
Note : If the full payment has not been received on or before the date indicated, a further fee may be required which may be one of the following
Patent fees are adjusted on the 1st of January every year. The amounts above are the current amounts if received by December 31 of the current year.
Please refer to the CIPO
Patent Fees
web page to see all current fee amounts.
Fee Type | Anniversary Year | Due Date | Paid Date |
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MF (application, 3rd anniv.) - standard | 03 | 1997-10-24 | 1997-09-22 |
MF (application, 4th anniv.) - standard | 04 | 1998-10-26 | 1998-09-17 |
MF (application, 5th anniv.) - standard | 05 | 1999-10-25 | 1999-09-22 |
MF (application, 6th anniv.) - standard | 06 | 2000-10-24 | 2000-09-20 |
MF (application, 7th anniv.) - standard | 07 | 2001-10-24 | 2001-10-04 |
Request for examination - standard | 2001-10-24 |
Note: Records showing the ownership history in alphabetical order.
Current Owners on Record |
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L'AIR LIQUIDE SOCIETE ANONYME A DIRECTOIRE ET CONSEIL DE SURVEILLANCE PO |
Past Owners on Record |
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PASCAL ARRIULOU |