GSP Crop Science Private Limited manufactures chemicals and allied products. The Company offers insecticides, fungicides, and herbicides. GSP Crop Science serves customers worldwide.
In India, the Pharmaceutical business of GSP Crop Science Private Limited is focused on a Novel process for preparation of 1-TERT-BUTYL-3-(2,6-DI-ISOPROPYL-4-PHENOXYPHENYL) THIOUREA.
GSP CROP SCIENCE PVT. LTD filed patent application filed patent application 3234/MUM.2014 that is titled as A NOVEL PROCESS FOR PREPARATION OF 1-TERT-BUTYL-3-(2,6-DI-ISOPROPYL-4-PHENOXYPHENYL) THIOUREA. This Patent Application has been granted as Patent Number 317943.
This invention covers Chemical compound. A novel process for preparation of 1-tert-butyl-3-(2,6-di-isopropyl-4- phenoxyphenyl)thiourea of formula I comprising: reaction of tert-butyl isothiocyanate of formula (III) with 4-phenoxy-2, 6-di(propan-2-yl) aniline of formula (IV).
During patent examination, the patent examiner raised objections under Section 3(d) of the Indian Patents Act claims 1-11 attract the provision of section 3(d) of the Act as the process claimed in the instant application is “a mere use of a known process”.
As a response, it is submitted that the novelty of the present invention resided in novel process for preparation of Diafenthiuron comprising reacting tert-butyl isothiocyanate. order to demonstrate that the claimed process have unexpectedly superior process which has mild reaction conditions, simple operation, less expensive cost effective process against the process of the prior art.
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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