Flexys wins patent ruling

Gibson, Jane
November 2006
ICIS Chemical Business;11/20/2006, Vol. 1 Issue 44, p17
Trade Publication
The article reports that the validity of the process patents of rubber chemicals joint venture Flexsys for producing 4-aminodiphenylamine and its PPD derivatives had been upheld by the Korean Patent Court. Sinorgchem of Shandong, China, had challenged their validity and now faces renewed action by Flexsys.


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