Patents by Inventor Cynthia L. Smith

Cynthia L. Smith 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).

  • Dimer acid derivatives as enhancers
    Patent number: 6617394
    Abstract: The invention relates to low molecular weight LPA surface quality enhancers derived from C36-44 dimer acids capped with a glycol or a polyether polyol. The capped dimer acids are incompatible in the cured matrix of a polyester molding composition.
    Type: Grant
    Filed: September 21, 2001
    Date of Patent: September 9, 2003
    Assignee: Ashland Inc.
    Inventors: Cynthia L. Smith, Dennis H. Fisher
  • Dimer acid derivatives as enhancers
    Publication number: 20030092841
    Abstract: The invention relates to low molecular weight LPA surface quality enhancers derived from C36-44 dimer acids capped with a glycol or a polyether polyol. The capped dimer acids are incompatible in the cured matrix of a polyester molding composition.
    Type: Application
    Filed: September 21, 2001
    Publication date: May 15, 2003
    Inventors: Cynthia L. Smith, Dennis H. Fisher
  • Aldimine surface quality enhancers
    Patent number: 5880180
    Abstract: This invention is the addition of an aldimine to enhance the ability of thermoplastic low profile additives to improve the surface quality of cured sheet molding compound vehicle parts.
    Type: Grant
    Filed: September 26, 1997
    Date of Patent: March 9, 1999
    Assignee: Ashland Inc.
    Inventor: Cynthia L. Smith