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|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||Estimated Expiration||Supplementary Protection Certificate||SPC Country||SPC Expiration|
|Austria||170406||<disabled in preview>|
|Australia||4274093||<disabled in preview>|
|Australia||673360||<disabled in preview>|
| This preview shows a limited data set|
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.
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