Patents by Inventor Mary Ann Haslett

Mary Ann Haslett 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).

  • Chip resistant primer composition useful for producing two-tone finishes
    Patent number: 7001943
    Abstract: A curable coating composition with holdout capability, and methods of use thereof, useful in providing a chip resistant two-tone finish in a reduced number of coating steps and curing cycles, which contains a hydroxyl-functional polyester resin, or a plurality of hydroxyl-functional polyester resins, with an average hydroxyl functionality of at least 2.1, a hydroxyl number of 75 to 400 mg KOH/g, a number average molecular weight of 1,000 to 10,000, an acid number of 1 to 30; a curing agent; and, a barium sulfate pigment This invention is also directed to method for coating a substrate with the above coating composition.
    Type: Grant
    Filed: October 17, 2003
    Date of Patent: February 21, 2006
    Assignee: E. I. duPont de Nemours and Company
    Inventors: San C. Yuan, Mary Ann Haslett