Colorant preparations, a process for their production and their use for coloring plastics

US4332587A · kind A · utility

Assignee

• BAYER HEALTHCARE LLC · DE

Inventors

• Michael Kressner · Leichlingen, DE
• Joachim Kolbe · Leverkusen, DE
• Fritz Bremer · Leverkusen, DE
• Georg Pape · Leverkusen, DE
• Karlheinz Wolf · Leverkusen, DE
• Ferdinand Kummeler · Leverkusen, DE

Key dates

• Filing date: Jan 28, 1981
• Grant date: Jun 1, 1982
• Expiry date: Jan 28, 2001

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J3/22
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A colorant preparation containing PA1 (A) a colorant which is sparingly soluble or insoluble in water, PA1 (B) a plasticizer based on an ester and PA1 (C) a reaction product of a fatty acid ester of a polyhydric alcohol and ethylene oxide, a process for the production of this preparation and its use for pigmenting plastics.