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:
Aug. 28, 2018
Filed:
Dec. 22, 2011
Vincent B. Gallez, Ottignies, BE;
William M. Ferry, Houston, TX (US);
Vincent B. Gallez, Ottignies, BE;
William M. Ferry, Houston, TX (US);
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
The present invention is directed to fibers, nonwoven fabrics, and nonwoven laminates comprising a blend of at least one impact copolymer and at least one propylene-based elastomer. The blends comprise from about 45 to about 85 wt % of an impact copolymer, where the impact copolymer comprises a blend of a propylene homopolymer and a copolymer comprising from about 20 to about 80 wt % propylene-derived units and from about 20 to about 80 wt % ethylene-derived units. The blends further comprise from about 15 to about 55 wt % of a propylene-based elastomer, where the propylene-based elastomer comprises from about 5 to about 25 wt % units derived from one or more Cor C-Calpha-olefins and has a triad tacticity greater than about 90% and a heat of fusion less than about 75 J/g.