Patent · US Expired

Antimicrobial compositions consisting of metallic silver combined with titanium oxide or tantalum oxide

US4849223A · kind A · utility

132Cited by

3References

11Claims

0Family size

Assignee

Johnson Matthey Public Limited Company · GB

Inventors

Allin S. Pratt · Wallingford, GB
Peter R. Smith · Melbourne, AU

Key dates

Filing date	Dec 30, 1985
Grant date	Jul 18, 1989
Priority date	—
Expiry date	Dec 30, 2005

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61L2430/02
WIPO fieldMedical technology
WIPO sectorInstruments

Abstract

An antimicrobial composition which includes silver as the antimicrobial agent also includes a hydratable or hydrated oxide as a promoter to enhance the antimicrobial effect. Such compositions may be used to coat appliances such as catheters or may be incorporated in bone cements.

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