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Sandeep Tyagi
Biswas Amit, Dhara Dibakar, Krishnamurthy Raja, Kung Edward, Maiti Parnasree, Rai Roopali, Tyagi Sandeep, Sawant Vitthal Abaso, Totad Rajashekhar Shiddappa: Polycarbonate composition comprising nanomaterials. Sabic Innovative Plastics, Biswas Amit, Dhara Dibakar, Krishnamurthy Raja, Kung Edward, Maiti Parnasree, Rai Roopali, Tyagi Sandeep, Sawant Vitthal Abaso, Totad Rajashekhar Shiddappa, CURBELO Pamela J, July 31, 2008: WO/2008/091413 (1 worldwide citation)

A method of preparing a polycarbonate nanocomposite comprising forming a reactant mixture comprising a nanomaterial, a solvent, a dihydroxy compound and an activated carbonate; and polymerizing the dihydroxy compound and the activated carbonate in the presence of the solvent to form the polycarbonat ...


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Davis Gary C, Dhara Dibakar, Genovese Sarah Elizabeth, Glasgow Katherine, Kubel Jennifer, Madan Gautam, Mccloskey Patrick J, de, Diego Yohana Perez, Richards William D: Polycarbonate-poly(alkylene oxide) copolymer compositions and articles formed therefrom. Sabic Innovative Plastics Ip, Davis Gary C, Dhara Dibakar, Genovese Sarah Elizabeth, Glasgow Katherine, Kubel Jennifer, Madan Gautam, Mccloskey Patrick J, de, Diego Yohana Perez, Richards William D, GRONBECK Dana, December 24, 2008: WO/2008/157328 (4 worldwide citation)

Disclosed herein is a polycarbonate copolymer comprising A) a structure derived from a dihydroxy alkylene oxide compound selected from the group consisting of formula (1a) and formula (1b): H-(E-X)l-OH (1a) H-(E-X-E)l-OH (1b) wherein E and X are different and each is independently selected from the ...


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Charati Sanjay Gurbasappa, Dhara Dibakar, Elkovitch Mark, Ghosh Soumyadeb, Mutha Nitin, Rajagopalan Srinivasan, Shaikh Abbas Alli: Electrically conductive compositions and method of manufacture thereof. General Electric Company, Charati Sanjay Gurbasappa, Dhara Dibakar, Elkovitch Mark, Ghosh Soumyadeb, Mutha Nitin, Rajagopalan Srinivasan, Shaikh Abbas Alli, WINTER Catherine J, May 19, 2005: WO/2005/044865 (3 worldwide citation)

A method for manufacturing a conductive composition comprises blending a polymer precursor with a single wall carbon nanotube composition; and polymerizing the polymer precursor to form an organic polymer. The method may be advantageously used for manufacturing automotive components, computer compon ...


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Dhara Dibakar, Shaiki Abbas Alli G, Chatterjee Gautam, Seetharaman C: Aliphatic diol polycarbonates and their preparation. General Electric Company, Dhara Dibakar, Shaiki Abbas Alli G, Chatterjee Gautam, Seetharaman C, WINTER Catherine J, July 21, 2005: WO/2005/066239 (1 worldwide citation)

The disclosure provides high quality, low yellowness index copolycarbonates comprising structural units derived from at least one aliphatic diol, at least an aromatic dihydroxy compound and a diaryl carbonate. Also disclosed herein is a method of making such copolycarbonates in presence of one or mo ...


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Davis Gary Charles, Dhara Dibakar, Mullen Brian D, Stone Joshua James: Polycarbonates with fluoroalkylene carbonate end groups. General Electric Company, Davis Gary Charles, Dhara Dibakar, Mullen Brian D, Stone Joshua James, WINTER Catherine J, June 29, 2006: WO/2006/068818 (1 worldwide citation)

Polycarbonate compositions having an aromatic polycarbonate resin with 90% or greater fluoroalkylene carbonate end-groups are formed from a partially fluorinated alcohol or a partially fluorinated polymeric alcohol, and a bisphenol and a carbonate source using melt or interfacial polymerization meth ...


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Dhara Dibakar, Jegathesan Muthuvijayan, Chatterjee Gautam: Aliphatic diol-based polycarbonates, method of making, and articles formed therefrom. Sabic Innovative Plastics Ip, Dhara Dibakar, Jegathesan Muthuvijayan, Chatterjee Gautam, April 23, 2009: WO/2009/050682 (1 worldwide citation)

The above-described and other deficiencies of the art are met by a method of making a polycarbonate polymer comprising isosorbide carbonate units, comprising melt reacting a dihydroxy compound comprising an isosorbide of the general formula: O O H H HO OH, and an activated carbonate, in the presence ...


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Dhara Dibakar, Jegathesan Muthuvijayan, Chatterjee Gautam: Aliphatic diol-based polycarbonates, method of making, and articles formed therefrom. Sabic Innovative Plastics Ip, June 30, 2010: EP2201057-A2

The above-described and other deficiencies of the art are met by a method of making a polycarbonate polymer comprising isosorbide carbonate units, comprising melt reacting a dihydroxy compound comprising an isosorbide of the general formula (2a): and an activated carbonate, in the presence of a cata ...


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