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:
Jun. 25, 2024
Filed:
Apr. 05, 2021
Dupont Safety & Construction, Inc., Wilmington, DE (US);
Mark William Andersen, Charlottesville, VA (US);
Mark T. Aronson, Midlothian, VA (US);
Christopher William Newton, Richmond, VA (US);
Thomas Wayne Steinruck, Glen Allen, VA (US);
B Lynne Wiseman, Richmond, VA (US);
Reiyao Zhu, Moseley, VA (US);
DUPONT SAFETY & CONSTRUCTION, INC., Wilmington, DE (US);
Abstract
Processes for forming a yarn comprising a plurality of bicomponent filaments having a first region comprising a first polymer composition and a second region comprising a second polymer composition; the regions being distinct and present in the bicomponent filaments in a sheath-core structure or a side-by-side structure; wherein the first polymer composition comprises aramid polymer comprising 5 to 10 weight percent homogeneously dispersed discrete carbon particles and the second polymer composition comprises aramid polymer being free of discrete carbon particles and having at least one homogeneously dispersed masking pigment, the yarn having a total content of 0.5 to 5 weight percent discrete carbon particles.