The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 21, 2017
Filed:
Nov. 01, 2012
Sanofi-aventis Deutschland Gmbh, Frankfurt, DE;
Ramatullah Qurishi, Frankfurt am Main, DE;
Martin Otten, Frankfurt am Main, DE;
Stefan Trinkle, Frankfurt am Main, DE;
Jörn Möckel, Frankfurt am Main, DE;
Sebastian Thiel, Frankfurt am Main, DE;
Sanofi-Aventis Deutschland GmbH, Frankfurt am Main, DE;
Abstract
The present invention relates to a piston for a cartridge to be filled with a medicament, the piston comprising: a first piston member comprising a first material and forming a distal end face of the piston, a second piston member comprising a second material of lower compressibility compared to the first material, wherein the second piston member is arranged in a cupped receptacle of the first piston member and provides a thrust receiving surface at a proximal end of the piston.