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Optical fiber cable having dripless, non-bleeding and optical fiber coating-compatible waterblocking material in core thereof

  • US 5,187,763 A
  • Filed: 04/26/1991
  • Issued: 02/16/1993
  • Est. Priority Date: 04/26/1991
  • Status: Expired due to Term
First Claim
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1. An optical fiber cable, said optical fiber cable comprising:

  • a core comprising at least one optical fiber transmission medium;

    a sheath system which is disposed about said core; and

    a filling composition of matter which is disposed in said core, said filling composition of matter comprising at least about 85 percent by weight of an aliphatic hydrocarbon having a molecular weight of at least about 600, a thickening system which includes an inorganic constituent and a block copolymer and a relatively high amount of an antioxidant system.

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