Optical waveguides – Optical fiber waveguide with cladding – Utilizing multiple core or cladding
Reexamination Certificate
2006-12-26
2006-12-26
Ullah, Akm Enayet (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
Utilizing multiple core or cladding
C385S147000, C528S398000, C524S100000
Reexamination Certificate
active
07155100
ABSTRACT:
An optical fiber comprises a flame retardant tight-buffer coating. The tight-buffer coating has a limiting oxygen index of at least 20% and preferably has a durable tensile strength. Flame retardant, inner primary, outer primary, ink, ink base and single coatings and coating compositions as well as flame-retardant matrix materials are also provided.
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Baker Christopher Todd
Coster Nancy L.
Murphy Edward J.
Unterzuber Keri Lynn
DSM IP Assets B.V.
Leydig Voit & Mayer Ltd
Ullah Akm Enayet
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