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:
Jan. 16, 2018
Filed:
Apr. 02, 2015
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Government of the United States As Represented BY the Secretary of the Navy, Washington, DC (US);
Bryce Vanarsdalen, Cherry Hill, NJ (US);
Philip Dudt, North Bethesda, MD (US);
Roshdy G Barsoum, McLean, VA (US);
Alyssa Littlestone, Arlington, VA (US);
Charles M Roland, Waldorf, MD (US);
E I DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
THE UNITED SATES OF AMERICA AS REPRESENTED BY THE SECRETARY OF THE NAVY, Washington, DC (US);
Abstract
A composite article having blast and ballistic resistance suitable for helmets, personal protection and hard armor applications comprises a high-strain hardening elastomeric layer and a layer of continuous yarns having a tenacity of 15 grams per dtex and a modulus of at least 500 grams per dtex or an oriented polyethylene sheet layer having a modulus ten times greater in one direction than in another direction.