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. 12, 1993
Filed:
Oct. 28, 1991
Claudio Bosisio, Brembate Sotto, IT;
Antonio Campana, Milan, IT;
Pirelli Cavi S.p.A., Milan, IT;
Abstract
The optical fiber element comprises at least one layer of coating constituted by a polyacrylate reticulated by UV radiation and at least one H.sub.2 -absorbing buffer, said polyacrylate comprising at least one photo-initiator of UV reticulation possibly together with an activator for it wherein said photo-initiator and its activator, if any, are selected from the group which comprises those photo-initiators and those activators which cause a reduction in the hydrogen absorption capacity of less than 30% in a H.sub.2 -absorbing buffer which has been in contact with said polyacrylate containing them for 30 days at 100.degree. C. in an air atmosphere saturated with water vapor at 150 mbar.