Patent · US Expired

Process for determining the degeneration level of keratinic fibers

US6672143B2 · kind B2 · utility

1Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 7, 2002
Grant dateJan 6, 2004
Priority date
Expiry dateJun 7, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01N33/50
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A process is provided for determining the degree of damage to keratinous fibers. The process includes providing a container containing a liquid preparation, introducing keratinous fibers into the container, and applying at least one impulse to the container to determine the degree of damage. The liquid preparation contains at least two immiscible continuous liquid phases, where the phases differ in densities at 20° C. by at least 0.04 g/ml.

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