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. 22, 2022
Filed:
Jan. 11, 2012
Applicants:
Christopher William Newton, Richmond, VA (US);
David J. Rodini, Midlothian, VA (US);
Joseph Lenning Lowery, Midlothian, VA (US);
Steven R. Allen, Midlothian, VA (US);
Vlodek Gabara, Richmond, VA (US);
Inventors:
Christopher William Newton, Richmond, VA (US);
David J. Rodini, Midlothian, VA (US);
Joseph Lenning Lowery, Midlothian, VA (US);
Steven R. Allen, Midlothian, VA (US);
Vlodek Gabara, Richmond, VA (US);
Assignee:
DUPONT SAFETY & CONSTRUCTION, INC., Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G 69/32 (2006.01); D01F 6/74 (2006.01); D01F 6/80 (2006.01);
U.S. Cl.
CPC ...
C08G 69/32 (2013.01); D01F 6/74 (2013.01); D01F 6/805 (2013.01);
Abstract
The present invention concerns yarn comprising polymer, the polymer comprising imidazole groups, the yarn having a sulfur content of 0.01 to 3.0 percent by weight, based on weight of the yarn, the yarn having a tenacity of 30 cN/dtex (33.3 gpd) or higher.