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:
Aug. 13, 2019
Filed:
May. 18, 2015
Dsm Ip Assets B.v., Heerlen, NL;
Raul Marcelino Perez Graterol, Echt, NL;
Franciscus Gerardus Henricus Van Duijnhoven, Echt, NL;
Franciscus Wilhelmus Maria Gelissen, Echt, NL;
Johannes Hoekstra, Echt, NL;
DSM IP ASSETS B.V., Heerlen, NL;
Abstract
The invention relates to a laser-markable polyamide composition comprising: a first phase comprising SbOand an aliphatic polyamide with an amide density AD1, and a second phase comprising an aliphatic polyamide with an amide density AD2, wherein AD1-AD2 is at least 0.01, and wherein the amount of SbOis between 0.1 and 5 wt %, a halogen-free flame retardant in an amount of between 1 to 25 wt %, wherein the amount in weight percentage are based on the total amount of composition. The invention also relates to a process for preparing a laser-markable polyamide composition, as well as laser-marked products comprising the composition.