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Environment
Kumho wins patent case
February 27, 2006
| A version of this story appeared in
Volume 84, Issue 9
The U.S. International Trade Commission has ruled that Korea Kumho Petrochemical did not violate Flexsys patents covering a process to make a popular rubber additive. In an action filed with ITC in February 2005, Flexsys, a joint venture between Akzo Nobel and Solutia, accused Kumho of violating three patents related to the production of N-(1,3-dimethylbutyl)-N???-phenyl-p-phenylenediamine. The Flexsys process received a Green Chemistry Award from EPA in 1998 because of its reduced waste.
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