SELF-LUBRICATING PHARMACEUTICAL SYRINGE STOPPERS

• US 20120065595A1
• Filed: 09/08/2011
• Published: 03/15/2012
• Est. Priority Date: 10/01/2009
• Status: Active Grant

• Current Assignee: Momentive Performance Materials Incorporated (Momentive Performance Materials Holdings LLC)
• Original Assignee: Momentive Performance Materials Incorporated (Momentive Performance Materials Holdings LLC)
• Inventors: Conzone, Samuel D., Rusinko, David M., Raman, Chandrashekar, Ramakrishnan, Indumathi, Dhanabalan, Anantharaman, Devi, Mayanglambam Rebika, Dubey, Mayank Kumar, Dinkar, Sumi, Bley, Markus
• Granted Patent: US 8,530,536 B2
• Time in Patent Office: Days
• US Class Current: 604/230
• CPC Class Codes: A61M 2005/3131 specially adapted for improving sealing or sliding
• CPC Class Codes: A61M 5/31513 Piston constructions to improve sealing or sliding
• CPC Class Codes: C10M 169/04 Mixtures of base-materials and additives
• CPC Class Codes: C10M 2201/041 Carbon; Graphite; Carbon black
• CPC Class Codes: C10M 2201/061 Carbides; Hydrides; Nitrides
• CPC Class Codes: C10M 2201/066 Molybdenum sulfide
• CPC Class Codes: C10M 2201/103 Clays; Mica; Zeolites
• CPC Class Codes: C10M 2201/105 Silica
• CPC Class Codes: C10M 2205/20 Natural rubber; Natural resins
• CPC Class Codes: C10M 2205/203 used as base material
• CPC Class Codes: C10M 2207/126 monocarboxylic
• CPC Class Codes: C10M 2207/28 Esters epoxidised esters C10M2207/24
• CPC Class Codes: C10M 2207/283 of polyhydroxy compounds
• CPC Class Codes: C10M 2213/062 Polytetrafluoroethylene [PTFE]
• CPC Class Codes: C10M 2215/08 Amides
• CPC Class Codes: C10M 2229/02 Unspecified siloxanes; Silicones
• CPC Class Codes: C10M 2229/025 used as base material
• CPC Class Codes: C10M 2229/04 Siloxanes with specific structure
• CPC Class Codes: C10M 2229/051 containing halogen
• CPC Class Codes: C10N 2030/06 Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
• CPC Class Codes: C10N 2040/50 : Medical uses

Abstract

In one aspect, a self-lubricating component is provided for a pharmaceutical packaging assembly. The self-lubricating component comprises a polymer composition and an effective amount of a lubricating additive such as, for example, boron nitride. In another aspect, a pharmaceutical packaging assembly may be provided having a surface thereof coated with a lubricating composition comprising boron nitride. The pharmaceutical packaging composition may be, for example, a pre-filled syringe comprising a body (barrel) and a plunger assembly.

Claims