Patents by Inventor Susan Crooks

Susan Crooks 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).

  • Mixture of sorbitan ester, magnesium hydroxide and thermoplastic resin
    Patent number: 6025075
    Abstract: A thermoplastic resin containing a flame-retarding magnesium hydroxide has its workability enhanced by a sorbitan ester in admixture with the resin and flame retardant. An admixture of the resin, magnesium hydroxide, and ester may be either a mixture of discrete particles of each of said components of the composition or a mixture of the resin and a magnesium hydroxide powder whose particles have a coating of the ester.
    Type: Grant
    Filed: June 23, 1997
    Date of Patent: February 15, 2000
    Assignee: Morton International, Inc.
    Inventors: Lawrence P. Grant, Susan Crooks
  • Mixture of sorbitan ester, magnesium hydroxide and thermoplastic resin
    Patent number: 6011086
    Abstract: A thermoplastic resin containing a flame-retarding magnesium hydroxide has its workability enhanced by a sorbitan ester in admixture with the resin and flame retardant. An admixture of the resin, magnesium hydroxide, and ester may be either a mixture of discrete particles of each of said components of the composition or a mixture of the resin and a magnesium hydroxide powder whose particles have a coating of the ester.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: January 4, 2000
    Assignee: Morton International, Inc.
    Inventors: Lawrence P. Grant, Susan Crooks, Robert P. Edmonston