1
Sandeep Tyagi
Amit Biswas, Dibakar Dhara, Raja Krishnamurthy, Edward Kung, Parnasree Maiti, Roopali Rai, Vitthal Abaso Sawant, Rajashekhar Shiddappa Totad, Sandeep Tyagi: Method of making polycarbonate nanocomposites. Sabic Lexan, SABIC Innovative Plastics IP Legal, April 3, 2008: US20080081865-A1

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 ...


2
Sandeep Tyagi
Amit Biswas, Dibakar Dbara, Raja Krishnamurthy, Edward Kung, Parnasree Maiti, Roopali Raj, Vaidyanath Ramakrishnan, Vitthal Abaso Sawant, Rajashekhar Shiddappa Totad, Sandeep Tyagi: Polycarbonate composition comprising nanomaterials. Sabic Lexan, SABIC Innovative Plastics IP Legal, July 10, 2008: US20080167414-A1

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 ...


3
Yogendrasinh Bharatsinh Chauhan, Kunal Hemant Mahajan, Meerakani Mohamed Ali Sait: Anthrapyridone compounds. General Electric Company, Sabic Lexan, SABIC Innovative Plastics IP Legal, February 21, 2008: US20080045634-A1

A compound of Formula (I): wherein R3 is an aromatic functionality selected from the group consisting of Formula II and Formula III: and wherein R1, R2, R5, R6, R7, R9, and R10 are independently selected from the group consisting of an aliphatic functionality having 1 to 6 carbon atoms, an aromatic ...


4
Jing Chen, Hua Jiao, Yegang Lin, Jingwu Yang, XinMin Yang: Polycarbonate compositions and articles formed therefrom. General Electric Company, Sabic Lexan, SABIC Innovative Plastics IP Legal, December 27, 2007: US20070299174-A1

A polycarbonate composition is disclosed having zero or minimum halogen content, while also exhibiting improved fire-retardance and/or drip-resistant characteristics. The composition comprises an effective amount of a polycarbonate, an anti-dripping agent, an aromatic sulfone sulfonate, an aromatic ...


5
Veeraraghavan Srinivasan, Suresh Shanmugam, Gautam Chatterjee, Anantharaman Dhanabalan, Vinod Kumar Rai: Methods for producing and purifying 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine monomers and polycarbonates derived therefrom. General Electric Company, Sabic Lexan, SABIC Innovative Plastics IP Legal, February 7, 2008: US20080033123-A1

Disclosed herein is a method for producing a 2-hydrocarbyl-3,3-bis(4-hydroxyaryl)phthalimidine. The method comprises forming a reaction mixture comprising at least one substituted or unsubstituted phenolphthalein, at least one substituted or unsubstituted primary hydrocarbyl amine, and an acid catal ...


6
Mark Nelson, Willem Lodewyk Sederel, Arkady Samuilovich Dyckman, Ilya Nikolaevich Grebenshchikov, Viktor Vladimirovich Pinson, Andrey Vladimirovich Zinenkov: Method for the production of phenol and acetone. Sabic Lexan, SABIC Innovative Plastics IP Legal, September 4, 2008: US20080214872-A1

A method for the production of phenol and acetone from a cumene hydroperoxide mixture comprises: decomposing the cumene hydroperoxide mixture in the presence of a catalyst mixture to form a mixture comprising phenol and acetone, wherein the method further comprises: a) forming the catalyst mixture i ...


7
Mark Nelson, Willem Lodewyk Sederel, Arkady Samuilovich Dyckman, Ilya Nikolaevich Grebenshchikov, Viktor Vladimirovich Pinson, Andrey Vladimirovich Zinenkov: Method for the production of phenol and acetone. Sabic Lexan, SABIC Innovative Plastics IP Legal, September 4, 2008: US20080214873-A1

A method for the production of phenol and acetone from a cumene hydroperoxide mixture comprises a first stage and a second stage and at least two serially connected reactors, wherein the first stage comprises decomposition of a cumene hydroperoxide mixture in the presence of a catalyst mixture to fo ...


8
Jan Willem Goedmakers, Theodorus Lambertus Hoeks, Jeremy D Hurst, Marcus Zettl: Luminescent thermoplastic compositions and articles with enhanced edge emission. General Electric Company, Sabic Lexan, SABIC Innovative Plastics IP Legal, June 26, 2008: US20080149164-A1

A thermoplastic composition is provided comprising a thermoplastic polymer, a fluorescent dye or quantum dot, and a diffuser. When molded into an article, the composition has a haze level less than 55 at an article thickness, according to ASTM D1003-00. The composition has increased energy efficienc ...


9
Theodorus Lambertus Hoeks, Jeremy D Hurst, Robert Dirk van de Grampel: Luminescent solar collector. General Electric Company, Sabic Lexan, SABIC Innovative Plastics IP Legal, June 26, 2008: US20080149165-A1

A luminescent solar collector is provided comprising a substrate and a light energy converter, such as a photocell, operatively connected thereto. The substrate is molded from a thermoplastic composition comprising a polymer and a fluorescent dye or quantum dot dispersed therein. The polymer compris ...


10
Jan Henk Kamps, Edward Kung, Jan Pleun Lens: Poly(carbonate-co-urea) copolymers and melt transesterification method of preparing these copolymers. General Electric Company, Sabic Lexan, SABIC Innovative Plastics IP Legal, November 6, 2008: US20080275206-A1

Disclosed herein is a poly(carbonate-co-urea-co-ester) copolymer comprising incorporated urea compound, dihydroxy compound and diacid compound residues. Also disclosed herein is a poly(carbonate-co-urea) copolymer comprising incorporated urea compound and dihydroxy compound residues.