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:
Jun. 20, 1989
Filed:
Sep. 04, 1987
Applicant:
Inventors:
Werner Goetze, Berlin, DE;
Ernst Mayr, Starnberg, DE;
Ulrich Oestreich, Munich, DE;
Helmut Saller, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; H02G / ;
U.S. Cl.
CPC ...
350 9623 ; 1062871 ; 106 1505 ; 523173 ;
Abstract
A filling compound for a light waveguide lead and/or light waveguide cable. The filling compound comprises polypropylene glycol and a second constituent chosen from the group consisting of: finely distributed fumed silica; aluminum oxide; aluminum hydroxide; a halogen containing organic compound; and mixtures thereof. Preferably, the polypropylene glycol comprises 50 to 99 weight percent of the filling compound, and the second constituent comprises 1 to about 50 weight percent.