Patent · US Expired

Process for preparing ballpoint pen pastes with colored metal oxide pigments

US5567233A · kind A · utility

7Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 1995
Grant dateOct 22, 1996
Priority date
Expiry dateJun 7, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/18
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Ballpoint pen pastes are prepared comprising at least one colored metal oxide pigment and customary ballpoint pen paste resin and organic solvent as essential components and also, if desired, further customary additives.

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