Patent · US Expired

Method for disinfecting contact lens with catalase compositions

US5549891A · kind A · utility

8Cited by
33References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 5, 1994
Grant dateAug 27, 1996
Priority date
Expiry dateApr 5, 2014

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61L12/126
  • WIPO fieldMedical technology
  • WIPO sectorInstruments

Abstract

Compositions and methods for destroying hydrogen peroxide in hydrogen peroxide-containing liquid aqueous media, for example, employed to disinfect contact lenses, are disclosed. In one embodiment, the present composition comprise at least one item containing a hydrophilic polyurethane component and a catalase component covalently bonded to the hydrophilic polyurethane component.

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