Laser sealing elastomer

Details Laser sealing elastomer Laser sealing elastomer

2004-08-02

2010-12-14

Choi, Ling-Siu (Department: 1796)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

C428S035700

Reexamination Certificate

active

07851538

ABSTRACT:
A novel elastomer material having an absorption coefficient for laser light of 0.5-2.5 mm−1, preferably being a base thermoplastic elastomer compounded with a colorant which comprises a Pantone 4597C pigment mixed with a carrier material. The elastomer is suited for use as a pharmaceutical vial closure which can be punctured by a filling needle and the puncture hole heat sealed by a focused laser.

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