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:
Feb. 08, 2022
Filed:
Jun. 22, 2018
Covestro Deutschland Ag, Leverkusen, DE;
Georgios Tziovaras, Neuss, DE;
Ciro Piermatteo, Leverkusen, DE;
Heinz Pudleiner, Krefeld, DE;
Kira Planken, Goch, DE;
Stefan Janke, Brüggen, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The present invention relates to an improved method for the partial colouring, in particular for the coloured laser engraving, of plastic parts, in particular thermoplastic plastic parts, more particularly thermoplastic plastic parts, comprising a layer structure, and to the resulting partially coloured, preferably coloured and laser engraved, plastic parts, in particular thermoplastic plastic parts.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile