Dipharma is a European manufacturer of Active Pharmaceutical Ingredients that has been developing innovative and proprietary processes since 1949. They support their customers worldwide with a strong and well resourced R&D team, three cGMP facilities in Europe, and offer world-renowned expertise in handling hazardous chemical processes. Their customers can benefit from their broad portfolio of generic Active Pharmaceutical Ingredients and a wide range of advanced technologies available for custom synthesis.
Dipharma Francis S.R.L filed patent application numbered 3957/KOLNP/2012 that is titled PROCESS FOR THE PREPARATION OF PTERIDINE DERIVATIVES. This patent application has been granted as Patent Number 312917.
The invention covers Chemical compounds. The application discloses a process for the preparation of 5-deoxy-L-arabinose of formula (VI); comprising the conversion of a compound of formula (XII); wherein n is 0, 1 or 2; which can be used as intermediate for the synthesis of sapropterin.
During patent examination, the patent examiner raised objections under Section 3(d) of the Indian Patents Act, wherein the examiner stated that the Claim(s) (1-12) are statutorily non-patentable and It is the mere discovery of known process. without any advantageous over the process is shown in the prior art.
As a response, the applicant revised the claims and are claimed to be new, with improved yields.
Advocate Rahul Dev is a Patent Attorney & International Business Lawyer practicing Technology, Intellectual Property & Corporate Laws. He is reachable at rd (at) patentbusinesslawyer (dot) com & @rdpatentlawyer on Twitter.
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