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. 06, 2016
Filed:
Oct. 19, 2009
Steven W. Smith, Waynesboro, VA (US);
Hong Liu, Waynesboro, VA (US);
Willem Bakker, Divonne, FR;
Gregory P. Weeks, Hockessin, DE (US);
Juan Cera, Middletown, DE (US);
Steven W. Smith, Waynesboro, VA (US);
Hong Liu, Waynesboro, VA (US);
Willem Bakker, Divonne, FR;
Gregory P. Weeks, Hockessin, DE (US);
Juan Cera, Middletown, DE (US);
INVISTA North America S.a.r.l., Wilmington, DE (US);
Abstract
Included are multiple component elastic fibers prepared by a solution-spinning process such as dry spinning or wet spinner of spandex fibers including polyurethaneurea and polyurethane compositions. These fibers have a cross-section including at least two separate regions with definable boundaries wherein at least one region defined by the boundaries of the cross-section includes a polyurethaneurea or polyurethane composition. One region of the fiber includes a fusibility improvement additive to enhance adhesion to itself or to a substrate.