Patents by Inventor Samuel Martin Moats

Samuel Martin Moats 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).

  • Zero-heel polyester process
    Patent number: 6528579
    Abstract: The invention relates to a process for the preparation of polyesters of a glycol and a dicarboxylic acid which comprises the following steps: a) introducing a feedstock comprising one or more glycols and one or more dicarboxylic acids or monoalcohol esters thereof into a reactor vessel, b) heating the feedstock to an elevated temperature to cause the glycols and the acids or monoalcohol esters thereof to polycondense into a polyester, c) removing all of the polyester from the reactor vessel, wherein step b) is carried out in the absence of a preformed polyester (“zero heel” process). A condensation catalyst is added in step a) or b) or both.
    Type: Grant
    Filed: February 6, 2001
    Date of Patent: March 4, 2003
    Assignee: Shell Oil Company
    Inventors: Kevin Dale Allen, Emery Don Johnson, Cecilia Zuqi Tse, Samuel Martin Moats
  • Zero-heel polyester process
    Publication number: 20020010310
    Abstract: The invention relates to a process for the preparation of polyesters of a glycol and a dicarboxylic acid which comprises the following steps:
    Type: Application
    Filed: February 6, 2001
    Publication date: January 24, 2002
    Inventors: Kevin Dale Allen, Emery Don Johnson, Cecilia Zuqi Tse, Samuel Martin Moats