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:
Jan. 05, 1988
Filed:
May. 08, 1985
Applicant:
Inventor:
John Dewing, Chester, GB;
Assignee:
STC, PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9623 ; 350 9634 ;
Abstract
Hydrogen evolution in an optical fibre is suppressed by the incorporation of a hydrogen absorbent material in a water blocking compound with which the cable is filled. Typically the absorbent material is a silver substituted zeolite.