Patent · US Active

Encapsulated amine blocked isocyanates

US12187837B2 · kind B2 · utility

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19Claims

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Assignee

Agfa NV · BE

Inventors

Johan Loccufier · Zwijnaarde, BE
Luc Decoster · Mortsel, BE
Ellen Bertels · Mortsel, BE

Key dates

Filing date	Jun 24, 2020
Grant date	Jan 7, 2025
Priority date	—
Expiry date	Nov 6, 2041

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P5/30
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

An aqueous dispersion of a capsule composed of a polymeric shell surrounding a core, the core containing an amine blocked isocyanate, the amine blocked isocyanate comprises at least two isocyanate groups blocked by a blocking group, the blocking groups are independently from each other represented by a secondary amine. The aqueous dispersion is suitable as reactive binder chemistry in coatings and inks.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.