June 22, 2004
Mycogen Corporation, an affiliate
of Dow AgroSciences LLC,
has been granted U.S. patent rights to glyphosate resistance in
cotton (United States Patent Number 6,753,463), according to an
announcement issued by the U.S. Patent Office, June 22, 2004.
Both Mycogen and Dow AgroSciences are wholly-owned subsidiaries
of The Dow Chemical Company.
"The issuance of this significant patent demonstrates that Dow
was the first to invent glyphosate-tolerant cotton," said Pete
Siggelko, Dow AgroSciences vice president for Plant Genetics and
The recently-granted patent application was originally filed
with the U.S. Patent Office in 1987. The patent will be in
effect until 2021.
"This action further strengthens our cotton patent portfolio,
which was augmented last year when we received four additional
patents relating to transgenic cotton," said Dan Kittle, Dow
AgroSciences vice president for Research and Development. (Note:
In 2003, Dow AgroSciences was issued U.S. Patents 6,660,914,
6,620,990, 6,573,437, and 6,624,344 - all of them relating to
methods and composition of matter claims to transgenic cotton.)
"These recently issued patents demonstrate our significant
long-standing commitment to the cotton market and our desire to
create value for growers by developing innovative technology,"
Siggelko said, "and we now look forward to working with those
companies interested in commercializing glyphosate-resistant
According to Cropnosis, an independent market research and
consulting firm, in the year 2002, 71 percent of U.S. cotton
acres planted (about 10 million acres) were
"We have a strong portfolio of cotton products," Siggelko added,
"including Tracer® Naturalyte® insect control, Lorsban®
insecticides, Treflan® and Glyphomax® herbicides, and Dithane®
fungicides. And we have exciting new products in development,
including a new insect-resistant cotton to be marketed as
Dow AgroSciences sells PhytoGen(TM) brand cottonseed through a
joint venture between its affiliate, Mycogen Seeds, and J.G.
Dow AgroSciences LLC, based in Indianapolis, Indiana, USA, is
a global leader in providing pest management, agricultural seed
and biotechnology products that improve the quality and quantity
of the earth's food supply and contribute to the health and
quality of life of the world's growing population. Dow
AgroSciences has approximately 5700 people in more than 50
countries dedicated to its business, and has worldwide sales of
US $3 billion. Dow AgroSciences is a wholly owned indirect
subsidiary of The Dow Chemical Company.
®Trademarks of Dow AgroSciences LLC
(TM) PhytoGen is a Trademark of PhytoGen Seed Company, LLC