The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 26, 2006
Filed:
Jun. 06, 2002
Applicant:
Hans-bertil Martinsson, Varekil, SE;
Inventor:
Hans-Bertil Martinsson, Varekil, SE;
Assignee:
Borealis Technology Oy, Porvoo, FI;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/44 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
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.