IP Library › Granted Patent US 8,618,185
Granted Patent B2
US 8,618,185 · App. 12/896,327 · Granted Dec 31, 2013

Self-lubricating pharmaceutical syringe stoppers

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Quick Facts
Patent No.
US 8,618,185
App. No.
12/896,327
Granted
Dec 31, 2013
Kind
B2
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 (4)

1. A self-lubricating component for a pharmaceutical packaging assembly comprising a polymer composition comprising an effective amount of boron nitride;

wherein the boron nitride is present in an amount of from about 3 to about 50% by weight of the polymer composition and wherein the component is in the form of a plunger, piston, diaphragm, or valve disc for medical equipment.

2. The component of claim 1 , wherein the boron nitride is present in an amount of from about 3 to about 20% by weight of the polymer composition.

3. The component of claim 1 , wherein the boron nitride is present in an amount of from about 5 to about 10% by weight of the polymer composition.

Assignments (17)
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT RIGHTS Recorded May 4, 2023
From: JPMORGAN CHASE BANK, N.A.
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 063548/0281 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Recorded Mar 31, 2023
From: BNP PARIBAS
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 063259/0133 →
RELEASE OF SECURITY INTEREST Recorded Mar 30, 2023
From: KOOKMIN BANK NEW YORK
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 063197/0373 →
NUNC PRO TUNC ASSIGNMENT Recorded Feb 4, 2021
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: MOMENTIVE PERFORMANCE MATERIALS QUARTZ, INC.
Reel/Frame 055222/0140 →
FIRST LIEN TERM LOAN PATENT AGREEMENT Recorded Jun 5, 2019
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: BNP PARIBAS, AS ADMINISTRATIVE AGENT
Reel/Frame 049387/0782 →
SECOND LIEN TERM LOAN PATENT AGREEMENT Recorded Jun 5, 2019
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: KOOKMIN BANK, NEW YORK BRANCH, AS ADMINISTRATIVE AGENT
Reel/Frame 049388/0220 →
ABL PATENT AGREEMENT Recorded Jun 5, 2019
From: MOMENTIVE PERFORMANCE MATERIALS INC.; MOMENTIVE PERFORMANCE MATERIALS GMBH
To: CITIBANK, N.A., AS ADMINISTRATIVE AGENT
Reel/Frame 049388/0252 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENTS Recorded May 21, 2019
From: JPMORGAN CHASE BANK, N.A.
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 050304/0555 →
RELEASE OF SECURITY INTEREST Recorded May 15, 2019
From: BOKF, NA
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 049194/0085 →
RELEASE OF SECURITY INTEREST Recorded May 15, 2019
From: BOKF, NA
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 049249/0271 →
NOTICE OF CHANGE OF COLLATERAL AGENT - ASSIGNMENT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY Recorded Mar 6, 2015
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. AS COLLATERAL AGENT
To: BOKF, NA, AS SUCCESSOR COLLATERAL AGENT
Reel/Frame 035136/0457 →
NOTICE OF CHANGE OF COLLATERAL AGENT - ASSIGNMENT OF SECURITY INTEREST IN INTELLECTUAL PROPERTY - SECOND LIEN Recorded Mar 6, 2015
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A. AS COLLATERAL AGENT
To: BOKF, NA, AS SUCCESSOR COLLATERAL AGENT
Reel/Frame 035137/0263 →
TERMINATION AND RELEASE OF SECURITY INTEREST IN PATENT RIGHTS Recorded Oct 30, 2014
From: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
To: MOMENTIVE PERFORMANCE MATERIALS INC.
Reel/Frame 034113/0331 →
SECURITY INTEREST Recorded Oct 27, 2014
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS COLLATERAL AGENT
Reel/Frame 034066/0662 →
SECURITY INTEREST Recorded Oct 27, 2014
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., AS COLLATERAL AGENT
Reel/Frame 034066/0570 →
SECURITY AGREEMENT Recorded Apr 29, 2013
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: JPMORGAN CHASE BANK, N.A.
Reel/Frame 030311/0343 →
PATENT SECURITY AGREEMENT Recorded Apr 3, 2013
From: MOMENTIVE PERFORMANCE MATERIALS INC.
To: BANK OF NEW YORK MELLON TRUST COMPANY, N.A., THE
Reel/Frame 030185/0001 →