| Patent application number | Description | Published |
| 20090029144 | Light Transmissive Foamed Polymer Sheet and Methods for Making the Same - In some embodiments, a foamed polymer sheet comprises: a polymeric material and cells located in the polymeric material. The cells have a size distribution, D | 01-29-2009 |
| 20090123719 | Multiwall Polymer Sheet Comprising Branched Polycarbonate - Disclosed herein are multiwall sheets and methods for making the same. In one embodiment, a multiwall sheet comprises: main layers and transverse walls. The multiwall sheet comprises: a total thickness of greater than or equal to about 45 mm, a weight of greater than or equal to about 4.5 kg/m | 05-14-2009 |
| 20100075125 | FLAME RETARDANT THERMOPLASTIC POLYMER COMPOSITION, METHOD OF MANUFACTURE, AND ARTICLES FORMED THEREFROM - A thermoplastic polymer composition comprises a cyanophenyl endcapped polycarbonate, a potassium diphenyl sulphon-3-sulphonate; and brominated polycarbonate. In some embodiments, when the thermoplastic polymer composition is in the form of a 3 mm thick extruded sheet, the sheet has a smoke density of less than 200 at an exposure period of 240 seconds in accordance with the smoke density test as set forth in ASTM E662-06, and has no burning drips on the sheet for a duration of 10 minutes in accordance with the flammability test as set forth in NF-P-92-505. | 03-25-2010 |
| 20100280159 | FLAME RETARDANT THERMOPLASTIC COMPOSITION AND ARTICLES FORMED THEREFROM - An embodiment of a thermoplastic resin composition can comprise a cyanophenyl endcapped polycarbonate resin; a potassium diphenyl sulphon-3-sulphonate; and brominated polycarbonate; wherein the composition. In some embodiments, when the composition is in the form of a 3 mm thick extruded sheet, the sheet has a smoke density of less than 200 at an exposure period of 240 seconds in accordance with the smoke density test as set forth in ASTM E662-06, and has no burning drips on the sheet for a duration of 10 minutes in accordance with the flammability test as set forth in NF-P-92-505. | 11-04-2010 |
| 20100280160 | FLAME RETARDANT THERMOPLASTIC COMPOSITION AND ARTICLES FORMED THEREFROM - A thermoplastic composition can comprise: polycarbonate, aromatic sulphone sulphonate, aromatic sulphonate, and brominated polycarbonate. In an embodiment, when the composition is formed into a 3 mm thick extruded sheet, the sheet can have a smoke density of less than 200 at an exposure period of 240 seconds in accordance with the smoke density test as set forth in ASTM E662-06, and a burn length of less than 150 mm, a drip flame time of less than 3 seconds, and an overall flame time of less than 15 seconds in accordance with the flammability test as set forth in 14 C.F.R. 25.853, Appendix F, Part I(a)(1)(ii). | 11-04-2010 |
| 20110068499 | METHODS FOR MAKING A LIGHT TRANSMISSIVE FOAMED POLYMER SHEET - In some embodiments, a foamed polymer sheet comprises: a polymeric material and cells located in the polymeric material. The cells have a size distribution, D | 03-24-2011 |
| 20110229704 | FLAME RETARDANT POLYCARBONATE COMPOSITIONS, METHOD OF MANUFACTURE THEREOF, AND ARTICLES THEREFROM - A thermoplastic polycarbonate composition includes, based on the total weight of the thermoplastic polycarbonate composition: 15 to less than 40 wt. % of a reinforcing mineral filler; and greater than 60 to 85 wt. % of a polymer component, including, based on the weight of the polymer component, 68 to 99.9 wt. % of an aromatic polycarbonate, 0.1 to 2 wt. % of a fluorinated polymer, optionally, 0.1 to 25 wt. % of an impact modifier; and optionally, 0.1 to 5 wt. % of an additive composition including an antioxidant, a mold release agent, and a stabilizer; wherein a molded sample of the thermoplastic polycarbonate composition has no drips when measured in accordance with NF P 92-505 at a thickness of 3.0 mm. | 09-22-2011 |
| 20110293927 | MULTILAYER SHEET AND METHODS OF MAKING AND ARTICLES COMPRISING THE MULTILAYER SHEET - In some embodiments, a multilayer sheet comprises: a first cap layer formed from a first cap composition comprising polycarbonate and potassium perfluorobutane sulfonate; a second cap layer formed from a second cap composition comprising polycarbonate and potassium perfluorobutane sulfonate; and a core layer formed from a core composition comprising polycarbonate and without potassium perfluorobutane sulfonate. The core layer is disposed between the first cap layer and the second cap layer. | 12-01-2011 |
| 20110293930 | MULTILAYER SHEET AND METHODS OF MAKING AND ARTICLES COMPRISING THE MULTILAYER SHEET - In some embodiments, a multilayer sheet comprises: a first cap layer formed from a first cap composition comprising polycarbonate and potassium perfluorobutane sulfonate; a second cap layer formed from a second cap composition comprising polycarbonate and potassium perfluorobutane sulfonate; and a core layer formed from a core composition comprising polycarbonate and without potassium perfluorobutane sulfonate. The core layer is disposed between the first cap layer and the second cap layer. | 12-01-2011 |