Patent · US Expired

Method for the determination of maleimide groups

US5132226A · kind A · utility

16Cited by

3References

8Claims

0Family size

Assignee

Merck Patent GmbH · DE

Inventors

Michael Dreher · Prospect, US
Heinz-Josef Hirsch · Weiterstadt, DE

Key dates

Filing date	Dec 18, 1989
Grant date	Jul 21, 1992
Priority date	—
Expiry date	Dec 18, 2009

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T436/17
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A method and an agent for the determination of maleimide groups, comprising reacting a sample containing maleimide groups with a reagent containing thiol groups and then with a chromogen or fluorogen which reacts with thiol groups, and measuring the change in intensity.

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