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:
Jul. 28, 2026
Filed:
Nov. 08, 2013
Dounor, Sas, Neuville en Ferrain, FR;
Stéphanie Hoyas, Tourcoing, FR;
DOUNOR, SAS, Neuville en Ferrain, FR;
Abstract
The object of the present disclosure is a non-woven of spunbonded thermoplastic filaments comprising in a characteristic way, at least 95% by mass (g) of its surface mass (g/m) of at least two polypropylene A and B polymers, said filaments having a titer of less than or equal to 1.3 dtex, said non-woven having a surface mass of less than or equal to 35 g/m, the welding rate being at least 10% and at most 25% and at least 88% by mass (g) of its surface mass (g/m) of said polypropylene A polymer obtained by polymerization in the presence of at least one polymerization catalyst based on a metallocene and at most 12% by mass (g) of its surface mass of said polypropylene B polymer.