Patent · US Expired

Chemical analysis using dynamic viscometry

US7691570B2 · kind B2 · utility

0Cited by
9References
21Claims
0Family size

Inventors

Key dates

Filing dateNov 5, 2004
Grant dateApr 6, 2010
Priority date
Expiry dateFeb 24, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/145555
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

The invention relates to a method for determining the reactive state of a chemical reaction process in a reaction mixture (110), in particular an amplification reaction for nucleic acids. The method comprises a viscosity determination, which preferably uses a dynamic viscometer (1). The invention also relates to an improved dynamic viscometer (1) for carrying out said method. The viscometer is characterised by an appropriate choice of material for the resonator (101) and optimised geometric ratios.

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