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:
Nov. 12, 2013
Filed:
Sep. 27, 2011
Jeffry J. Fedderly, Ellicott City, MD (US);
Gilbert F. Lee, Greenbelt, MD (US);
Curtis A. Martin, Damascus, MD (US);
Edward Balizer, Bethesda, MD (US);
Jeffry J. Fedderly, Ellicott City, MD (US);
Gilbert F. Lee, Greenbelt, MD (US);
Curtis A. Martin, Damascus, MD (US);
Edward Balizer, Bethesda, MD (US);
The United States of America as represented by the Secretary of the Navy, Washington, DC (US);
Abstract
A composite armor including a ballistic armor layer and a directly attached polyurea layer. The polyurea layer is the cured reaction product of an isocyanate curing agent and a mixture of diamines having the general formula:HN-Ph-(C═O)—O—(CH—CH—CH—CH—O)—(C═O)-Ph-NH,wherein in the mixture n in the ranges from 3 to 14 and the weight average value of n is about 9 to 10. Ph represents phenyl. In a preferred embodiment, the polyurea layer is the strike face. The composite armor is useful for light armor applications in which weight is a factor such as military vehicle armor and military boat armor.