EP 1097123 A1 20010509 - 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
Application
Priority
- GB 9902081 W 19990712
- GB 9815001 A 19980711
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
IPC 8 full level
C07C 211/63 (2006.01); G01N 33/84 (2006.01); A61M 16/04 (2006.01)
CPC (source: EP)
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
DOCDB simple family (publication)
WO 0002844 A1 20000120; AU 4790399 A 20000201; EP 1097123 A1 20010509; GB 9815001 D0 19980909
DOCDB simple family (application)
GB 9902081 W 19990712; AU 4790399 A 19990712; EP 99931365 A 19990712; GB 9815001 A 19980711