Patent · US Expired

Treatment of material

US5744094A · kind A · utility

91Cited by
16References
43Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 1994
Grant dateApr 28, 1998
Priority date
Expiry dateFeb 24, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L2/10
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

A sterilizing method includes subjecting material, for example packaging board, to laser UV alone, or substantially simultaneously with laser IR and/or hydrogen peroxide to obtain a synergistic effect between the UV and IR and/or hydrogen peroxide, to render micro-organisms present at said material non-viable.

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