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Last Updated: March 28, 2024

Details for Patent: 5,716,338


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Summary for Patent: 5,716,338
Title: Dual-chamber type injection cartridge with bypass connection
Abstract:An injection cartridge (1) of the dual-chamber type having a bypass connection (12) between its two chambers (9, 10) which is arranged such that the interior wall of the cartridge is modified in a predetermined area in such a way that the movable wall (11) between the two chambers does not seal completely against the interior wall in said area. The modification of the wall is arranged as a plurality of lands and grooves (12) which have a direction that is inclined in relation to the longitudinal axis of the cartridge barrel.
Inventor(s): Hjertman; Birger (Hasselby, SE), Pavlu; Bohdan (Huddinge, SE)
Assignee: Pharmacia & Upjohn Aktiebolag (Stockholm, SE)
Application Number:08/448,607
Patent Claim Types:
see list of patent claims
Delivery;

Drugs Protected by US Patent 5,716,338

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Submissiondate
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Patented / Exclusive Use >Submissiondate

Foreign Priority and PCT Information for Patent: 5,716,338

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Sweden9303453Oct 20, 1993
PCT Information
PCT FiledOctober 10, 1994PCT Application Number:PCT/SE94/00949
PCT Publication Date:April 27, 1995PCT Publication Number: WO95/11051

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