In 1997, Sharp Corporation introduced two calculators
with silver and zinc lined keys and casing, designed to reduce the amount
of bacteria spread through use. Marketed soley in Japan, Sharp's designs
were motivated by a growing public concern regarding the spread of bacteria
through the workplace and through the use of public terminals/peripheral
Another Japanese firm, Shin-Etsu Polymer, designed
an anti-bacterial food wrap which inhibits the growth of bacteria that becomes
attached to the wrap. The polyvinal chloride wrap is mixed with a non-organic
silver-based anti-bacterial agent.
Hai Denshi Kogyo and Venture Ishikawa developed an
anti-bacterial sand by infusing microscopic particles of silver directly
into natural sand. The two companies, using a propietary method, claim that
the sand retains its properties twice as long as conventional anti-bacterial
The Japan Ceramic Tile Manufacturers is marketing
a silver based floor coating targeted at bacterial buildup around chewing
gum which has been discarded on heavy traffic public floors.
The Fuji Chemical Industry has created a product
that will reportedly improve the preservation of eggs ( freshness ) by 30
to 40 percent. Fuji-Albac, a murky liquid, is composed of kelp and brown
algae with a silver based inorganic agent and magnesium peroxide.
It is interesting to note that these companies are
currently NOT considering the United States as a good market for these silver-based