Global Patent Index - EP 1097123 A1

EP 1097123 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, DIESE ENTHALTENDER POLYMERER FILM UND KOLORIMETRISCHE VORRICHTUNG

Title (fr)

SELS D'AMMONIUM QUATERNAIRE, FILM POLYMERE LES CONTENANT ET DISPOSITIF A COLORIMETRE

Publication

EP 1097123 A1 (EN)

Application

EP 99931365 A

Priority

  • GB 9902081 W
  • GB 9815001 A

Abstract (en)

[origin: WO0002844A1] There is described a polymeric quaternary alkyl ammonium cation of general formula (I), or a salt thereof; in which R1, R2, R3 and R4, which may be the same or different are each alkyl C1 to 20; m is an integer from 1 to 100; and n is an integer from 1 to 7. 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 211/63; A61M 16/04; G01N 31/22

IPC 8 full level (invention and additional information)

C07C 211/63 (2006.01); G01N 33/84 (2006.01); A61M 16/04 (2006.01)

CPC (invention and additional information)

C07C 211/63 (2013.01); G01N 33/84 (2013.01); A61M 2016/0413 (2013.01)

Citation (search report)

See references of WO 0002844A1

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 0002844 A1 20000120; AU 4790399 A 20000201; EP 1097123 A1 20010509; GB 9815001 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2003-07-30 [18D] APPLICATION DEEMED TO BE WITHDRAWN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