Patents by Inventor Mike Fryd

Mike Fryd 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).

  • Cyclic carbonates and their reactions with amines
    Patent number: 6228979
    Abstract: Six-membered cyclic carbonates (2-oxo-1,3-ioxanes) in which keto or carbohydrocarbyloxy groups are bound to the 5 position of the ring are disclosed. They react surprising quickly with primary or secondary cyclic amines, and the novel product hydroxyurethanes are usefull as reactive diluents.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: May 8, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Neville E. Drysdale, Mike Fryd, Sapé Quashie
  • Cyclic carbonates and their reactions with amines
    Patent number: 6020499
    Abstract: Six-membered cyclic carbonates (2-oxo-1,3-dioxanes) in which keto or carbohydrocarbyloxy groups are bound to the 5 position of the ring are disclosed. They react surprising quickly with primary or secondary cyclic amines, and the novel product hydroxyurethanes are useful as reactive diluents.
    Type: Grant
    Filed: June 5, 1998
    Date of Patent: February 1, 2000
    Assignee: E. I. du Pont Nemours and Company
    Inventors: Neville E. Drysdale, Mike Fryd, Sape Quashie