Patent · US Expired

Carbon black concentrate

US4197221A · kind A · utility

16Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 26, 1977
Grant dateApr 8, 1980
Priority date
Expiry dateOct 26, 1997

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D81/027
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

There is provided a carbon black concentrate of the following composition: ______________________________________ Carbon Black 10 to 50 weight % Plasticizer 5 to 30 weightt % Nitrocellulose Compatible Alkyd Resin 0 to 30 weight % Nitrocellulose Staple Fibers 30 to 80 weight % Dispersing Agent Consisting of Metal Oleates or Metal Octoates 0.5 to 2.5 weight % ______________________________________ The concentrate is useful as a pigmenting agent, e.g., for lacquers and printing inks.

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