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:
Jun. 23, 2015
Filed:
Sep. 28, 2007
Gautam Chatterjee, Bangalore, IN;
Gheorghe Cojocariu, Evansville, IN (US);
Chandrashekhar Lingannaiah, Karnataka, IN;
Gaurav Mediratta, Bangalore, IN;
Shantaram Suryakant Morye, Maharashtra, IN;
Gary Francis Smith, Lynchburg, VA (US);
Veeraraghavan Srinivasan, Bangalore, IN;
Gautam Chatterjee, Bangalore, IN;
Gheorghe Cojocariu, Evansville, IN (US);
Chandrashekhar Lingannaiah, Karnataka, IN;
Gaurav Mediratta, Bangalore, IN;
Shantaram Suryakant Morye, Maharashtra, IN;
Gary Francis Smith, Lynchburg, VA (US);
Veeraraghavan Srinivasan, Bangalore, IN;
Abstract
Disclosed herein is a polymer blend comprising a first polycarbonate comprising a first structural unit derived from a 2-aryl-3,3-bis(4-hydroxyaryl)phthalimidine and a second structural unit derived from a dihydroxy aromatic compound, wherein the second structural unit is not identical to the first structural unit, and a second polycarbonate comprising a structural unit derived from a dihydroxy aromatic compound, wherein the polymer blend has a glass transition temperature of 155 to 200° C.; and wherein a test auricle having a thickness of 3.2 mm and molded from the blend has a haze of less than or equal to 3.0 measured in accordance with ASTM D1003-00. A method of making the polymer blend, and articles prepared from the blend, are also disclosed.