Self-lubricating pharmaceutical syringe stoppers
First Claim
1. A self-lubricating component for a pharmaceutical packaging assembly comprising a polymer composition comprising an effective amount of lubricating additive, wherein the lubricating additive comprises hexagonal boron nitride and wherein the component is in the form of a plunger, piston, diaphragm, or valve disc for medical equipment.
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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.
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Citations
19 Claims
- 1. A self-lubricating component for a pharmaceutical packaging assembly comprising a polymer composition comprising an effective amount of lubricating additive, wherein the lubricating additive comprises hexagonal boron nitride and wherein the component is in the form of a plunger, piston, diaphragm, or valve disc for medical equipment.
- 6. A pharmaceutical package assembly comprising a barrel having an interior surface coated with a lubricating polymeric composition comprising a lubricating additive, wherein the lubricating additive comprises hexagonal boron nitride.
- 13. A pharmaceutical package assembly comprising a plunger having at least part of its surface coated with a lubricating polymeric composition comprising a lubricating additive, where the lubricating additive comprises hexagonal boron nitride.
Specification