Patents by Inventor Cielo S. Myers

Cielo S. Myers 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).

  • Polyethylene terephthalate compositions having improved crystallization rate and surface appearance
    Patent number: 4391938
    Abstract: Compositions comprising polyethylene terephthalate and an additive to promote crystallization rate and improve surface appearance selected from the group consisting of monomeric esters of citric acid and epoxidized esters of unsaturated aliphatic carboxylic acids. Compositions comprising polyethylene terephthalate, poly (C.sub.4 -C.sub.6) terephthalate, and a surface appearance and crystallization rate improving additive selected from the group consisting of monomeric esters of citric acid, organic esters of an aromatic carboxylic acid of 7 to 11 carbon atoms containing at least one carboxyl group per aromatic nucleus and an alcohol, oligomeric polyesters, and epoxidized esters of unsaturated aliphatic carboxylic acids.
    Type: Grant
    Filed: February 16, 1982
    Date of Patent: July 5, 1983
    Assignee: Rohm and Haas Company
    Inventors: Nazir A. Memon, Cielo S. Myers