Huntsman International LLC is a publicly traded global manufacturer and marketer of differentiated and specialty chemicals with 2017 revenues of approximately $8 billion. Their chemical products number is in the thousands and are sold worldwide to manufacturers serving a broad and diverse range of consumer and industrial end markets. They operate more than 75 manufacturing, R&D and operations facilities in approximately 30 countries and employ approximately 10,000 associates within their four distinct business divisions.
In India, the Pharmaceutical business of Huntsman International is focused on Silylated Polyurethane, Aldehyde, Production of Isocyanates, Treatment of Black Liquor, Polyisocyanurate-based Syntactic Coating.
Huntsman International LLC filed patent application numbered 6523/DELNP/2012 that is titled as PROCESS FOR THE PRODUCTION OF A POLYISOCYANATE. This patent application has been granted as Patent Number 314441.
The invention covers the field of chemical compounds. The invention relates to a process for the production of a polyisocyanate comprising of phosgenation a polyisocyanate is based in solution in an inert solvent.
During patent examination, the patent examiner raised objections under Section 3(d) of the Indian Patents Act, wherein the examiner stated that there is use of known process and the invention does not use any novel reactant or produces any novel product.
As a response to said objection, the applicant responded by submitting technical and scientific arguments by bringing the differentiation and novelty factor. The invention process has been differentiated by bringing out the advantages and states that no other such process has ever been evolved.
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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