Patent · US Expired

Carbon paper inks containing wax-anhydride compounds

US3933512A · kind A · utility

16Cited by
11References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 22, 1972
Grant dateJan 20, 1976
Priority date—
Expiry dateDec 22, 1992

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/12
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Wax-anhydride compounds and derivatives thereof, including amides, esters, etc. of such wax-anhydride compounds, employed in carbon paper inks.

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