Shanghai HuaYi New Material Co., Ltd is a high-and-new tech enterprise comprehensively devoting in supplying the consultancy, engineering, project management , EPC/Turnkey Contracting and other services in chemical, petrochemical pharmaceutical architectural engineering area along with having the qualification for overseas’ projects contracting, whereas Shanghai Huayi Acrylic Acid Co. Ltd. manufactures chemicals. The Company manufactures and markets acrylic acid and other related products.
In India, the Pharmaceutical business of Shanghai HuaYi New Material Co., Ltd & Shanghai Huayi Acrylic Acid Co. Ltd. is focused on molybdenum based complex oxide catalyst, its preparation method and use, methods for preparing methacrolein from t-butanol.
Shanghai HuaYi New Material Co., Ltd & Shanghai Huayi Acrylic Acid Co. Ltd. filed patent application numbered 3942/DEL/2015 that is titled HETEROPOLYACID SALT CATALYSTS AND THEIR PREPARATION METHOD. This Patent Application has been granted as as Patent number 317052.
The invention covers Chemical compound. The invention discloses a method for preparing a heteropolyacid salt catalyst, comprising dissolving the lead compounds for each element to prepare a suspension and dispersion slurry of catalyst precursor, which comprises all of the catalyst components; drying the catalyst precursor, mixing them with an organic compound, molding, and calcining to produce the catalyst.
During patent examination, the patent examiner raised objections under Section 3(d) of the Indian Patents Act that Claims 1 to 9 are a mere new use of the known substance or a mere use of a known process which neither results in a new product nor employs any new reactant.
As a response to said objection, the applicant submits that the above results show that the catalytic performance could be advantageously improved when a special calcination process is used. The process of the present application bring a catalyst having better catalytic activity.
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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