Patent · US Expired

Process for the production of substituted anthraquinones

US4312811A · kind A · utility

2Cited by
3References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 3, 1980
Grant dateJan 26, 1982
Priority date
Expiry dateSep 3, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C46/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Substituted anthraquinones are obtained by thermal or catalytic dehydrochlorination of the corresponding substituted ortho-benzoylbenzoic acid chloride. They may be used for the production of hydrogen peroxide and the synthesis of dyes.

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