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:
Mar. 07, 2013
Dsm Ip Assets B.v., Heerlen, NL;
David Michael Cummins, Echt, NL;
Dietrich Wienke, Echt, NL;
Roelof Marissen, Echt, NL;
Koen Van Putten, Echt, NL;
Joke Hendrix, Echt, NL;
DSM IP ASSETS B.V., Heerlen, NL;
Abstract
Composite panel comprising at least one layer containing at least one tape comprising a thermoplastic polymer selected from the group consisting of polyolefins, polyesters, polyvinyl alcohols, polyacrylonitriles, polyamides or polyketone, wherein the tape has a tensile strength of at least 1.2 GPa and an areal density of between 5 and 150 g/m, and an adhesive in contact with said layer, whereby the amount of the adhesive in contact with one side of the at least one layer is between 0.2 and 15 g/m, wherein the adhesive is a plastomer wherein said plastomer is a random copolymer of ethylene or propylene and one or more Cto Ca-olefin co-monomers and wherein said plastomer has a density as measured according to 1801183 of between 860 and 930 kg/m. In a preferred embodiment the tape comprises an ultra high molecular weight polyethylene. The composite panel is used in a ballistic resistant article.