Patents by Inventor William Charles Barringer

William Charles Barringer 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).

  • Asthma treatment by inhalation of micronized N,N-diethyl-4-methyl-1-piperazinecarboxamide pamoate
    Patent number: 3985868
    Abstract: Asthma is effectively treated by inhalation of powder dispensed from an aerosol suspension of powdered N,N-diethyl-4-methyl-1-piperazinecarboxamide pamoate, which is dispersed as a fine powder, essentially below 10 microns in particle size, which gives an improved ratio of absorption in the lungs as compared to systemic absorption.
    Type: Grant
    Filed: January 13, 1975
    Date of Patent: October 12, 1976
    Assignee: American Cyanamid Company
    Inventors: Howard Seebree Corey, Jr., William Charles Barringer, Lloyd Frank Hansen
  • N,N-diethyl-4-methyl-1-pi-perazinecarboxamide pamoate
    Patent number: 3956330
    Abstract: Asthma is effectively treated by inhalation of powder dispensed from an aerosol suspension of powdered N,N-diethyl-4-methyl-1-piperazinecarboxamide pamoate, which is dispersed as a fine powder, essentially below 10 microns in particle size, which gives an improved ratio of absorption in the lungs as compared to systemic absorption.
    Type: Grant
    Filed: January 13, 1975
    Date of Patent: May 11, 1976
    Assignee: American Cyanamid Company
    Inventors: Howard Seebree Corey, Jr., William Charles Barringer, Lloyd Frank Hansen