Patent · US Expired

Eliminating turbidity in serum undergoing photometric assay

US4184848A · kind A · utility

14Cited by

4References

9Claims

0Family size

Assignee

Boehringer Mannheim GmbH · DE

Inventors

Hans-Georg Batz · Tutzing, DE
Brigitte Draeger · Tutzing, DE
August W. Wahlefeld · Hohenpeißenberg, DE
Gunter Weimann
Wolfgang Gruber · Bischofswerda, DE

Key dates

Filing date	Sep 23, 1977
Grant date	Jan 22, 1980
Priority date	—
Expiry date	Sep 23, 1997

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/25125
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

An agent for the elimination of turbidity in serum, especially in serum samples wherein photometric measurements are to be made, consisting essentially of one or more mono- or di-esters of polyethylene glycol and fatty acids of 9 to 14 carbon atoms with at most 8 ethylene oxide units per fatty acid moiety in the molecule, said esters having an HLB value of from 8 to 12.8.

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