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Ranjan Ray, Donald W Scott: Centrifugal casting of nickel base superalloys with improved surface quality, structural integrity and mechanical properties in isotropic graphite molds under vacuum. Stevens Davis Miller & Mosher, February 13, 2003: US20030029593-A1

Methods for making various nickel based superalloys into engineering components such as rings, tubes and pipes by melting of the alloys in a vacuum or under a low partial pressure of inert gas and subsequent centrifugal casting of the melt in the graphite molds rotating along its own axis under vacu ...


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Ranjan Ray, Donald W Scott: Castings of metallic alloys with improved surface quality, structural integrity and mechanical properties fabricated in anisotropic pyrolytic graphite molds under vacuum. Stevens Davis Miller & Mosher, March 6, 2003: US20030042001-A1

Molds are fabricated having a substrate of high density, high strength ultrafine grained isotropic graphite, and having a mold cavity coated with pyrolytic graphite. The molds may be made by making the substrate (main body) of high density, high strength ultrafine grained isotropic graphite, by, for ...


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Ranjan Ray: Fine grained sputtering targets of cobalt and nickel base alloys made via casting in metal molds followed by hot forging and annealing and methods of making same. Stevens Davis Miller & Mosher, August 25, 2005: US20050183797-A1

Disclosed are sputtering targets and methods for making various nickel and cobalt base alloys into sputtering targets by melting the alloys in a vacuum or under a low partial pressure of inert gas and subsequent casting of the melt as round, square or rectangular plates in metal molds under vacuum o ...


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Ranjan Ray Chaudhuri, Satish Ramchandra Dipali, Phillip E West: Topical pharmaceutical composition. Smithkline Beecham Corporation, Corporate Intellectual Property Us Uw2220, March 11, 2010: US20100063004-A1

This invention relates to a novel topical pharmaceutical composition. In particular, this invention is an overnight topical composition for treating cold sores.