MUMBAI, India, Nov. 2 -- Intellectual Property India has published a patent application (202617096604 A) filed by Intervet International B. V. on August 10, 2026, for A Process For Purification Of Intermediates Of Prostaglandin F2?a Compounds And Its Use In The Preparation Of Prostaglandin F2a Compounds.
Inventors include Unni, Santhosh; Mohammed, Yaseen; Thopudurthi, Krishna Murthy; Donthula, Shekar; Simhadri, Srinivas; and Vasireddi, Uma Maheswer Rao.
The application for the patent was published on October 30, 2026, under issue no. 44/2026.
Abstract: The present invention relates to a process for purification of intermediates of prostaglandin F2a compounds and its conversion to therapeutically active prostaglandin F2a compounds, for example, racemic cloprostenol. Particularly relates to a process for purification of intermediates of racemic cloprostenol by solvent crystallization and/or derivatization of hydroxyl compounds and recycling process of the unwanted isomers to make the process commercially viable. Further, the present invention relates to an improved process for preparation of prostaglandin F2a compounds and its sodium salt.
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