Patent · US Active

Storage-stable pigmented isocyanate group-containing formulations with isocyanate group-containing grinding resin and use thereof

US11965054B2 · kind B2 · utility

0Cited by

23References

12Claims

0Family size

Assignee

Covestro Intellectual Property GmbH & Co. KG · DE

Inventors

Joerg Tillack · Solingen, DE
Dirk Achten · Leverkusen, DE
Achim Weber · Altbach, DE
Fabian Schuster · Leverkusen, DE

Key dates

Filing date	Feb 24, 2020
Grant date	Apr 23, 2024
Priority date	—
Expiry date	Feb 24, 2040

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09D175/04
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to storage-stable pigmented formulations containing isocyanate groups, comprising at least one pigment a., at least one component b. containing isocyanate groups, at least one wetting agent and/or dispersant c., at least one isocyanate group-containing grinding resin d. and optionally solvents, wherein the formulation has a viscosity increase of less than 500% after storage at 50° C. over a period of at least 3 days. The invention also relates to the preparation of such formulations and to the use thereof.

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