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:
Mar. 08, 2011
Filed:
Jan. 26, 2007
Narayanaswami Raja Dharmarajan, Houston, TX (US);
Smita Kacker, Houston, TX (US);
Narayanaswami Raja Dharmarajan, Houston, TX (US);
Smita Kacker, Houston, TX (US);
Exxonmobil Chemical Patents Inc., Houston, TX (US);
Abstract
A nonwoven fabric and disposable articles comprising the same are provided. The nonwoven fabric can include one or more facing layers thermally bonded to one or more inner layers. The facing layers are inelastic or partially elastic nonwoven webs comprising one or more propylene-based polymers. The facing layer has a permanent set above 30%. The inner layers are elastic nonwoven webs comprising one or more propylene-based polymers and one or more slip agents. The inner layer has a permanent set below 28%, and the one or more propylene-based polymers have (i) 60 wt % or more units derived from propylene, (ii) isotactically arranged propylene derived sequences, and (iii) a heat of fusion less than 45 J/g.