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:
Apr. 20, 2010
Filed:
Aug. 22, 2007
Reiyao Zhu, Moseley, VA (US);
Roger Parry, Moseley, VA (US);
Debbie Guckert, Chester, VA (US);
Vlodek Gabara, Richmond, VA (US);
Yves Bader, Crozet, FR;
Reiyao Zhu, Moseley, VA (US);
Roger Parry, Moseley, VA (US);
Debbie Guckert, Chester, VA (US);
Vlodek Gabara, Richmond, VA (US);
Yves Bader, Crozet, FR;
E.I. du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
This invention relates to a flame-resistant spun staple yarns and fabrics and garments comprising these yarns and methods of making the same. The yarns have 25 to 90 parts by weight of a polymeric staple fiber containing a structure derived from a monomer selected from the group consisting of 4,4'diaminodiphenyl sulfone, 3,3′diaminodiphenyl sulfone, and mixtures thereof; and 10 to 75 parts by weight of a textile staple fiber having limiting oxygen index of 21 or greater, based on 100 parts by weight of the polymeric fiber and the textile fiber in the yarn.