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Calgon Carbon Awarded Additional Patent for Technology to Protect Drinking Water from Cryptosporidium
PITTSBURGH, PA — March 15, 2002 — Calgon Carbon Corporation
announced today that it has been granted a Canadian patent for
controlling cryptosporidium (crypto) in drinking water using
ultraviolet (UV) light. The company had been previously granted
patents for controlling cryptosporidium in the U.S. and the
Netherlands. It has also applied for patents in Asia, Australia,
Europe, and South America.
Crypto, a microscopic parasite present in almost all surface waters,
is highly resistant to traditional treatment methods such as
chlorination. Prior to Calgon Carbon's breakthrough discovery, it was
thought that very high doses of UV light were required to kill
crypto. Calgon Carbon's research discovered that low levels of UV
could be used to prevent crypto from replicating.
Calgon Carbon's pioneering research was used to commercialize the
Sentinel UVä Disinfection System as a reliable barrier against
viruses, bacteria, and parasites such as crypto at a fraction of the
cost of other treatment methods. Also, Sentinel is an environmentally
safe technology that does not produce disinfection by-products. In
addition to marketing Sentinel, Calgon Carbon is licensing its
patented continuous wave UV technology to water producers on a
per-gallons-treated basis.
Commenting on the announcement, Bob O'Brien, senior vice president of
Calgon Carbon, said, "We are very pleased that the Canadian
Intellectual Property Office has recognized the significance of Calgon
Carbon's groundbreaking research and technology by granting our
company a patent for controlling cryptosporidium. Their action
strengthens our leadership position in the growing market for
disinfection of drinking water using ultraviolet light."
About Calgon Carbon Corporation
Calgon Carbon Corporation is a global leader in services and solutions
for making air and water safer and cleaner, and for purifying food,
beverage, and industrial process streams.
Headquartered in Pittsburgh, Calgon Carbon Corporation employs
approximately 1,000 people and serves more than 4,000 customers around
the world through four business platforms: Carbon, Service, Engineered
Solutions and Consumer Health.
Calgon Carbon offers a variety of technology solutions and services to
address all purification, separation, recovery and synthesis
needs.
For more information, visit the Calgon Carbon website at: www.calgoncarbon.com or contact
a customer service technician at: info@calgoncarbon.com or call
1-800-422-7266.
Contact: Gail Gerono, Director of Investor Relations and Corporate
Communications, (412) 787-6795; gerono@calgoncarbon.com
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