Patents by Inventor Donald J. Casey

Donald J. Casey 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).

  • Drawing isocyanate-treated polyester filaments
    Patent number: 4052500
    Abstract: Polyester filaments of improved drawability and improved adhesion to rubber are prepared by applying to polyester filaments coated with aromatic isocyanate containing at least two isocyanate groups per molecule 0.02 to 0.4% on weight of fiber of a hydroxy-containing finish less than 1 hour prior to drawing such filaments to 4 to 7 times their undrawn length.
    Type: Grant
    Filed: August 16, 1972
    Date of Patent: October 4, 1977
    Assignee: American Cyanamid Company
    Inventors: Robert P. Kreahling, Donald J. Casey, David Z. Goldenberg
  • High molecular weight polyester resin, the method of making the same
    Patent number: 3997512
    Abstract: A normally-solid, biodegradable, hydrolyzable polyester resin of diglycolic acid and an unhindered glycol having a molecular weight sufficiently high so as to provide a polymeric material possessing self-supporting film forming properties and the process of preparing the same and the use of the polymeric material as a device for the controlled continuous administration of a predetermined dosage of a drug to a living animal.
    Type: Grant
    Filed: January 14, 1976
    Date of Patent: December 14, 1976
    Assignee: American Cyanamid Company
    Inventors: Donald J. Casey, George C. Gleckler