Patent · US Expired

Process for the quantative determination of free thyroxine

US4843018A · kind A · utility

2Cited by

6References

6Claims

0Family size

Assignee

Boehringer Mannheim GmbH · DE

Inventors

Johann Berger · Alfdorf, DE
Helmut Jering · Tutzing, DE

Key dates

Filing date	Nov 13, 1985
Grant date	Jun 27, 1989
Priority date	—
Expiry date	Nov 13, 2005

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S436/807
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The present invention provides a process for the quantitative determination of free thyroxine (FT.sub.4) in plasma, serum or whole blood by immunological methods, wherein the sample is incubated for at most 10 minutes with a 10 to 2000 fold insufficiency of labelled anti-T.sub.4 antibodies, referred to the molar amount of total T.sub.4 in the sample, then immediately brought together with immobilized excess T.sub.4, again incubated, the phases separated and the label measured in one of the phases.

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