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:
Sep. 23, 2025
Filed:
Dec. 21, 2022
Applicants:
Prysmian S.p.a., Milan, IT;
Politecnico Di Milano, Milan, IT;
Inventors:
Elena Roda, Segrate, IT;
Cristian Gambarotti, Cremona, IT;
Ada Truscello, Merate, IT;
Franco Galletti, Casatenovo, IT;
Assignees:
Prysmian S.p.A., Milan, IT;
Politecnico di Milano, Milan, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B 7/02 (2006.01); C08K 3/22 (2006.01); C08K 5/1545 (2006.01); H01B 3/10 (2006.01); H01B 3/30 (2006.01); H01B 3/46 (2006.01); H01B 7/295 (2006.01);
U.S. Cl.
CPC ...
H01B 7/295 (2013.01); C08K 3/22 (2013.01); C08K 5/1545 (2013.01); H01B 3/10 (2013.01); H01B 3/307 (2013.01); H01B 3/46 (2013.01); C08K 2003/2224 (2013.01); C08K 2003/2227 (2013.01);
Abstract
A flame-retardant cable includes at least one core having a conductor and at least one protecting layer surrounding the core. The protecting layer is made from a low smoke zero halogen (LS0H) flame-retardant polymer composition having at least 70 phr of a polyethylene homopolymer or copolymer having a density lower than 0.90 g/cmas a halogen-free polymeric base, 100 to 800 phr of at least one metal hydroxide, and at least 10 phr of a tannin.