← Back to Patent Explorer
EP0068356A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Reagent and method for detecting hydrogen peroxide or peroxidases

Assignee: Roche Diagnostics GmbH
•
Filing: 1982-06-18
•
Granted: —
•
Expires: 2002-06-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Composition for the detection of (a) hydrogen peroxide or hydrogen peroxide forming substrates or (b) peroxidases or peroxidatively reacting substances which composition comprises a substrate capable of coupling and an oxidizable substance known to undergo the Trinder reaction, and (a) a peroxidase or (b) hydrogen peroxide wherein the substrate capable of coupling is a compound of the formula <IMAGE> (I) in which n and m are individually selected from whole numbers of 1 to 4, X and Y, which can be the same or different represent a valence bond or a phenylene radical, R1 and R2 are individually selected from carboxyl or sulfonic acid groups and one of R1 and R2 can also be hydrogen or lower alkyl, and R3 and R4 are individually selected from hydrogen and alkyl radicals of up to 6 carbon atoms; and/or a salt of such compound. The present invention also provides a method wherein the composition is brought together with a sample and the coloration obtained is evaluated visually or with a photometer.

Inventors

  • 👤 Ulrich Dr.rer.nat. Träger
  • 👤 Bernward Dr.Rer.Nat. Sojka
  • 👤 Hans Lange

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-04 22:26
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/26; C12Q1/28; C12Q2326/00; Y; Y10; Y10S; Y10S435/00; Y10S435/805; Y10S436/00; Y10S436/904; Y10T; Y10T436/00; Y10T436/20; Y10T436/206664

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

DD140175A1 Cited
DE2833612B2 Cited
EP0007787A1 Cited
DE3037342A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag