Patent · US Expired

Nitro or nitroso substituted polyhalogenated phenolsulfonephthaleins as protein indicators in biological samples

US5187104A · kind A · utility

9Cited by
1References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 6, 1991
Grant dateFeb 16, 1993
Priority date
Expiry dateJun 6, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D327/04
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The present invention provides a novel group of protein error indicators including nitro or nitroso substituent groups in the B and C rings of a partially halogenated triphenylmethane compound.

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