Patents by Inventor Carlos Abad

Carlos Abad has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20050209434
    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 cm3/10 minutes when measured at about 300° C. with a force of about 1.2 kilograms.
    Type: Application
    Filed: March 19, 2004
    Publication date: September 22, 2005
    Inventors: Carlos Abad, Jose Franco, Hiromi Ishida, Miguel Salomon, Tomoaki Shimoda