Optical cable with improved tracking resistance

Details Optical cable with improved tracking resistance Optical cable with improved tracking resistance

2006-12-26

2006-12-26

Healy, Brian (Department: 2883)

Optical waveguides

Optical transmission cable

C385S141000, C385S144000, C385S145000

Reexamination Certificate

active

07155092

ABSTRACT:
The present invention is concerned with an optical cable with improved tracking resistance comprising at least one optical fiber and an outer sheath which comprises a polymeric material, characterized in that the polymeric material forms a matrix for the sheath and consists of a multimodal olefin polymer obtained by a coordination catalyzed polymerization, and in that the total composition of the sheath comprises 15–40% by weight of a metal hydroxide, preferably magnesium hydroxide and/or aluminium hydroxide, and 0.01–0.9% by weight of carbon black.

REFERENCES:
patent: 6074724 (2000-06-01), Inaba et al.
patent: WO 9305424 (1993-03-01), None
patent: WO 9703124 (1997-01-01), None
patent: WO 9935652 (1999-07-01), None
International Search Report pertaining to International Application No. PCT/EP01/06225.

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