February 28/New Delhi, India/Indian Patents News -- Yamasa Corporation received a patent for a process for producing crystals of P1, P4-Di(uridine 5'-) tetraphosphate or a salt thereof. The patent number issued by the Indian Patent Office is 204149.
Yamasa Corporation had filed patent application number IN/PCT/2001/00330/MUM for a process for producing crystals of P1,P4-di(uridine 5'-) tetraphosphate or a salt thereof on March 27, 2001. The inventors of the patent are Hideaki Maeda, Toshio Yamada, Hiroshi Sato and Yutaka Noda.The International classification number is C07H19/10.
The PCT International application number of the patent is PCT/JP99/05415, and the application was filed on Oct. 1, 1999.
According to the Controller General of Patents, Designs & Trade Marks, "A process for producing crystals of P1, P4-di(uridine 5'-)tetraphosphate or a salt thereof, which process comprises purifying crude P1, P4-di (uridine 5'-) tetraphosphate or a salt thereof through anion exchange chromatography and activated-charcoal chromatography and adding a hydrophilic organic solvent to a solution of purified P1, P4-di(uridine 5'-) tetraphosphate or a salt thereof, to thereby precipitate the solute as crystals."
From the March 1, 2011, Prepared Foods' Daily News
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