The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2014
Filed:
Sep. 25, 2009
Christianus Johannes Jacobus Maas, Rilland, NL;
Hendrik Cornelus Jacobus DE Nooijer, Middelburg, NL;
Vandita Pai-paranjape, Evansville, IN (US);
Srinivas Siripurapu, Minnetonka, MN (US);
Joshua Arie Van Den Bogerd, Tholen, NL;
Andries Adriaan Volkers Volkers, Wouw, NL;
Christianus Johannes Jacobus Maas, Rilland, NL;
Hendrik Cornelus Jacobus de Nooijer, Middelburg, NL;
Vandita Pai-Paranjape, Evansville, IN (US);
Srinivas Siripurapu, Minnetonka, MN (US);
Joshua Arie van den Bogerd, Tholen, NL;
Andries Adriaan Volkers Volkers, Wouw, NL;
Abstract
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.