Patent · US Expired

Colored thermoplastic resin composition

US4812141A · kind A · utility

38Cited by
12References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 17, 1988
Grant dateMar 14, 1989
Priority date
Expiry dateMar 17, 2008

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P5/138
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A colored thermoplastic resin composition is provided which comprises a thermoplastic resin and a colorant in the form of an alkyleneoxy-substituted chromophore group provided in said thermoplastic resin in a minor amount sufficient to provide coloration to said thermoplastic resin. A process for preparing colored thermoplastic resins is also provided.

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