Kyungdong to register U.S. patent for famciclovir production.

Kyungdong Pharmaceutical company announced that a patent for the production process of famciclovir was completed to register in the United States, under the title of "Manufacturing method of 9-［4-acetyoxy-3-(acetoxymethyl)but-1-yl］-2-aminopurine" characterized in which the production of famciclovir was made more economically simplely and safely under a moderate reaction condition for higher yie...