Patent · US Expired

Test agent for the detection of coupling compounds, and a process for its preparation

US4382062A · kind A · utility

4Cited by
5References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 4, 1981
Grant dateMay 3, 1983
Priority date
Expiry dateJun 4, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/146666
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A test agent for the detection of coupling compounds in liquids is described, which essentially consists of an adsorbent matrix containing a diazonium salt as the reagent and a phosphonium salt to stabilize said test agent. Furthermore there is described a process for the preparation of said test agent.

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