Global Patent Index - EP 1098152 A1

EP 1098152 A1 2001-05-09 - Process and apparatus for air separation by cryogenic distillation

Title (en)

Process and apparatus for air separation by cryogenic distillation

Title (de)

Verfahren und Vorrichtung zur Tieftemperaturzerlegung von Luft

Title (fr)

Procédé et appareil de séparation d'air par distillation cryogénique

Publication

EP 1098152 A1 (FR)

Application

EP 00403001 A

Priority

FR 9913903 A

Abstract (en)

In sending liquid to the heat exchanger (9), where it is partially vaporized (39), the liquid is sent directly, possibly having been compressed, and not to the phase separator (37). An Independent claim is included for plant containing air separation equipment.

Abstract (fr)

Dans un appareil de séparation, un débit de liquide 33 se vaporise partiellement dans un échangeur 9 avant d'être envoyé à un séparateur de phases 37. Le débit liquide du séparateur de phases est divisé en une première partie qui est prélevée et une deuxième partie qui est mélangé avec le liquide 33 à vaporiser. <IMAGE>

IPC 1-7 (main, further and additional classification)

F25J 3/04

IPC 8 full level (invention and additional information)

F25J 3/04 (2006.01); F25J 5/00 (2006.01)

CPC (invention and additional information)

F25J 3/04236 (2013.01); F25J 3/0409 (2013.01); F25J 3/04303 (2013.01); F25J 3/04412 (2013.01); F25J 3/0486 (2013.01); F25J 2205/02 (2013.01); F25J 2245/50 (2013.01)

Citation (search report)

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

EP 1098152 A1 20010509; CA 2324642 A1 20010525; FR 2800859 A1 20010511; FR 2800859 B1 20011228; JP 2001194056 A 20010717; US 6321568 B1 20011127

INPADOC legal status


2003-02-26 [18W] WITHDRAWN

- Ref Legal Event Code: 18W

- Effective date: 20021219

2002-04-24 [RAP1] TRANSFER OF RIGHTS OF AN EP PUBLISHED APPLICATION

- Owner name: L'AIR LIQUIDE, S.A. A DIRECTOIRE ET CONSEIL DE SUR

- Ref Legal Event Code: RAP1

2002-01-30 [AKX] PAYMENT OF DESIGNATION FEES

- Ref Legal Event Code: AKX

- Free Format Text: DE FR GB

2002-01-09 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20011109

2001-05-09 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): DE FR GB

2001-05-09 [AX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT TO

- Ref Legal Event Code: AX

- Free Format Text: AL;LT;LV;MK;RO;SI