|Abstract:||An injection cartridge of the dual-chamber type has a bypass connection between its two chambers which is arranged such that the interior wall of the cartridge is modified in a determined area in such a way that the movable wall between the two chambers does not seal completely against the interior wall in said area.|
|Inventor(s):||Hjertman; Birger (Vallingby, SE), Levander; Gustav (Bromma, SE), Ljunquist; Olle (Taby, SE)|
|Assignee:||Pharmacia AB (Stockholm, SE)|
Patent Claim Types:|
see list of patent claims
|Country||Document Number||Publication Date||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Sweden||9201248||Apr 21, 1992|
|New Zealand||252762||Dec 21, 1995|
|Austria||170406||Sep 15, 1998|
|Japan||H07505553||Jun 22, 1995|
|European Patent Office||0639991||Mar 01, 1995|
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