Patent · US Active

Pigment concentrate

US8969438B2 · kind B2 · utility

1Cited by
2References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 24, 2007
Grant dateMar 3, 2015
Priority date
Expiry dateOct 8, 2030

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2467/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Non-aqueous pigment concentrate comprising one or more pigments, one or more dispersants, and at least one resin, characterized in that the resin is a polyester comprising at least one oligo-ester building block with a hydrophobic tail linked thereto, wherein the hydrophobic tail is selected from the group consisting of: (a) branched hydrocarbons, (b) hydrocarbons containing a cyclic group, and (c) linear hydrocarbons, provided that when said linear hydrocarbon is linked to the oligo-ester building block via an ester group, the linear hydrocarbon contains 3 to 12 carbon atoms.

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