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1986 (1) TMI 380 - SC - Companies LawInfringement of patents Held that:- Herbicide CP 53619 (Butachlor) was publicly known before Patent Number 125381 was granted. Its formula and use had already been made known to the public by the report of the International Rice Research Institute for the year 1968. No one claimed any patent or any other exclusive right in Butachlor. To satisfy the requirement of being publicly known as used in clauses (e) and (f) of sec. 64(1), it is not necessary that it should be widely used to the knowledge of the consumer public. It is sufficient if it is known to the persons who are engaged in the pursuit of knowledge of the patented product or process either as men of sciene or men of commerce or consumers. The section of the public who, as men of science or men of commerce, were interested in knowing about Herbicides which would destroy weeds but not rice, must have been aware of the discovery of Butachlor. There was no secret about the active agent Butachlor as claimed by the plaintiffs since there was no patent for Butachlor, as admitted by the plaintiffs. Emulsification was the well-known and common process by which any Herbicide could be used. Neither Butachlor nor the process of Emulsification was capable of being claimed by the plaintiff as their exclusive property. The solvent and the emulsifier were not secrets and they were admittedly not secrets and they were ordinary market products. From the beginning to the end, there was no secret and there was no invention by the palintiffs. The ingredients, the active ingredient, the solvent and the emulsifier, were known; the process was known, the product was known and the use was known. The plaintiffs were merely camouflaging a substance whose discovery was known through out the world and trying to enfold it in their specification relating to Patent Number 125381. The patent is, therefore, liable to be revoked.
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