Patent · US Expired

Color concentrates and polymer compositions containing the same, and methods of making the same

US5670561A · kind A · utility

15Cited by
16References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 13, 1996
Grant dateSep 23, 1997
Priority date
Expiry dateJun 13, 2016

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J3/226
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

The present invention provides a color concentrate comprising (a) at least one resin selected from the group consisting of a polymer of a diene, a rosin material, a coumarone-indene resin, a polymer of vinyl aromatic monomer having an M n of from about 500 to about 4000, a wax and a mixture of two or more thereof, (b) at least one resin selected from the group consisting of a copolymer of an olefin and an acrylate or a methacrylate, a polymer of a vinyl aromatic monomer having an M n of at least about 10,000 and a mixture thereof, and (c) at least one colorant.

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