Global Patent Index - EP 1097124 A1

EP 1097124 A1 2001-05-09 - QUATERNARY AMMONIUM SALTS, POLYMERIC FILM CONTAINING THEM AND COLORIMETRIC DEVICE

Title (en)

QUATERNARY AMMONIUM SALTS, POLYMERIC FILM CONTAINING THEM AND COLORIMETRIC DEVICE

Title (de)

QUATERNÄRE AMMONIUMSALZE, IHRE FILM POLYMERE UND KOLORIMETRISCHE VORRICHTUNG

Title (fr)

SELS D'AMMONIUM QUATERNAIRE, FILM POLYMERE LES RENFERMANT ET DISPOSITIF COLORIMETRIQUE

Publication

EP 1097124 A1 (EN)

Application

EP 99931364 A

Priority

  • GB 9902080 W
  • GB 9815002 A

Abstract (en)

[origin: WO0002845A1] There is described an oxygen substituted quaternary alkyl ammonium cation of formula (I), and salts thereof, in which R1, R2 and R3, which may be the same or different, are each alkyl C1 to 20; and m and n, which may be the same or different, are preferably an integer from 1 to 19. There is also described a film formulation comprising a cation of formula (I), a colorimetric sensor device comprising said film and an endotracheal intubation apparatus comprising a sensor.

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

C07C 217/46; A61M 16/04; G01N 31/22

IPC 8 full level (invention and additional information)

C07C 217/08 (2006.01); C07C 217/50 (2006.01); G01N 31/22 (2006.01)

CPC (invention and additional information)

G01N 31/223 (2013.01); C07C 217/08 (2013.01); C07C 217/50 (2013.01)

Citation (search report)

See references of WO 0002845A1

Designated contracting state (EPC)

AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

EPO simple patent family

WO 0002845 A1 20000120; AU 4790299 A 20000201; EP 1097124 A1 20010509; GB 9815002 D0 19980909

INPADOC legal status


2003-07-30 [18D] APPLICATION DEEMED TO BE WITHDRAWN

- Effective date: 20030121

2002-10-23 [17Q] FIRST EXAMINATION REPORT

- Effective date: 20020910

2001-05-09 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20010209

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

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE