Advertisement

If you have an ACS member number, please enter it here so we can link this account to your membership. (optional)

ACS values your privacy. By submitting your information, you are gaining access to C&EN and subscribing to our weekly newsletter. We use the information you provide to make your reading experience better, and we will never sell your data to third party members.

ENJOY UNLIMITED ACCES TO C&EN

Business

Ajinomoto sues over tryptophan patents

by Marc S. Reisch
May 23, 2016 | A version of this story appeared in Volume 94, Issue 21

The Japanese amino acid producer Ajinomoto has sued South Korean competitor CJ CheilJedang for infringing patents covering the manufacture of animal-feed-grade l-tryptophan. At issue is use of genetically enhanced Escherichia coli to improve the yield of the essential amino acid. In suits filed in U.S. federal court and Germany, Ajinomoto seeks unspecified monetary damages and a halt to CJ’s sale of the product. Ajinomoto recently said it would build a feed-grade tryptophan plant in Eddyville, Iowa, its first in the U.S.

Article:

This article has been sent to the following recipient:

0 /1 FREE ARTICLES LEFT THIS MONTH Remaining
Chemistry matters. Join us to get the news you need.