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:
Jun. 15, 2010
Filed:
Oct. 14, 2005
Thomas Futterer, Ingelheim, DE;
Hans-dieter Naegerl, Dudenhofen, DE;
Vincens Mans Fibla, Badalona, ES;
Ruediger Wissemborski, Gau-Algesheim, DE;
Thomas Futterer, Ingelheim, DE;
Hans-Dieter Naegerl, Dudenhofen, DE;
Vincens Mans Fibla, Badalona, ES;
Ruediger Wissemborski, Gau-Algesheim, DE;
Chemische Fabrik Budenheim KG, Budenheim, DE;
Abstract
A molding material for the production of highly flame resistant articles with a matrix formed from a thermoplastic and with a particulate flame retardant pigment dispersed therein, wherein under the influence of laser light the material changes color due to a change in color of the pigment or of the plastic matrix, and in that the pigment is a reaction product of at least one halogen-free flame retardant organic nitrogen base with a composition comprising at least one salt which can be reacted with the organic nitrogen base. The invention also includes a method for the preparation of a molding material as described above by the dispersion of a particulate flame retardant pigment to a plastic material, wherein under the influence of laser light the material changes color due to a change in color of the pigment or of the plastic matrix, and in that the pigment is a reaction product of at least one halogen-free flame retardant organic nitrogen base with a composition comprising at least one salt which can be reacted with the organic nitrogen base. The invention also includes a highly flame resistant and laser-writable plastic article comprising a formed material as described above.