Patents by Inventor James Charles Kauer

James Charles Kauer 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).

  • Heteroaryl crown ethers
    Patent number: 4104275
    Abstract: Aroylcrownethers are complexing agents for metals, dispersing agents for carbon black and preferred ones are antiviral agents.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: August 1, 1978
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James Charles Kauer
  • Aroylcrownethers
    Patent number: 4024158
    Abstract: Aroylcrownethers are complexing agents for metals, dispersing agents for carbon black and preferred ones are antiviral agents.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: May 17, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James Charles Kauer
  • Acylcrownether oximes and oxime ethers
    Patent number: 3997565
    Abstract: Certain acylcrownether oximes, oxime ethers and oxime esters are complexing agents for metals, dispersing agents for carbon black and antiviral agents.
    Type: Grant
    Filed: September 19, 1975
    Date of Patent: December 14, 1976
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: James Charles Kauer