Patent · US Expired

Colorimetric cholesterol assay

US4211531A · kind A · utility

6Cited by
4References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 20, 1979
Grant dateJul 8, 1980
Priority date
Expiry dateApr 20, 1999

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N2800/044
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A total cholesterol method includes the steps of (1) precipitation of serum proteins with a reagent containing ferric chloride in propionic acid, (2) color formation by heating aliquots of supernatant with propionic-sulfuric acid reagent, and (3) measurement of color intensities of test and standard reaction mixtures at 563 nm.

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