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:
Sep. 26, 2006
Filed:
Mar. 19, 2004
Carlos Abad, Impington Cambridge, GB;
Jose Maria Alonso Franco, Murcia, ES;
Hiromi Ishida, Moka, JP;
Miguel Angel Salomon, Murcia, ES;
Tomoaki Shimoda, Ichihara, JP;
Carlos Abad, Impington Cambridge, GB;
Jose Maria Alonso Franco, Murcia, ES;
Hiromi Ishida, Moka, JP;
Miguel Angel Salomon, Murcia, ES;
Tomoaki Shimoda, Ichihara, JP;
General Electric Company, Schenectady, NY (US);
Abstract
A polycarbonate composition comprises chloride, sulfate, phosphate or a combination of two or more of the foregoing ionic species in an amount of zero to about 100 parts per billion based on the total weight of the composition; and phenol, carbonic diester, aromatic dihydroxy compound or combination of two or more of the foregoing organic compounds in an amount of zero to about 500 parts per million by weight based on the total weight of the composition; wherein the polycarbonate has a weight average molecular weight of about 40,000 to about 90,000 dalton as determined by gel permeation chromatography using polystyrene standards and a melt volume rate of about 1 to about 35 cm/10 minutes when measured at about 300° C. with a force of about 1.2 kilograms.