Method for the production of a polycarbonate laminate

US10377116B2 · kind B2 · utility

Assignees

• BUNDESDRUCKEREI GMBH · DE
• Covestro Deutschland AG · DE

Inventors

• Oliver Muth · Berlin, DE
• Arthur Mathea · Berlin, DE
• Malte Pflughoefft · Berlin, DE
• Jens Ehreke · Berlin, DE
• Manfred Paeschke · Wandlitz, DE
• Heinz Pudleiner · Krefeld, DE
• Cengiz Yesildag · Leverkusen, DE
• Klaus Meyer · Dormagen, DE

Key dates

• Filing date: Dec 4, 2015
• Grant date: Aug 13, 2019
• Expiry date: Dec 4, 2035

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/24521
• WIPO field: Other consumer goods
• WIPO sector: Other fields

Abstract

The invention relates to the use of a preparation comprising A) 0.1 to 20 wt % of a binding agent with a polycarbonate derivative based on a geminally disubstituted dihydroxydiphenyl cycloalkane, B) 30 to 99.9 wt % of an organic solvent or of a mixture of solvents, C) 0 to 10 wt %, referred to dry mass, of a dye or of a mixture of dyes, D) 0 to 10 wt % of a functional material or of a mixture of functional materials, E) 0 to 30 wt % of additive and/or auxiliary substances, or of a mixture of such substances, the relative amounts of the components A) to E) always totaling 100 wt %, as an ink jet printing dye.