Patents by Inventor Alfred P. Dougherty, Jr.

Alfred P. Dougherty, Jr. 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).

  • Fire extinguishing composition and process
    Patent number: 5115868
    Abstract: A process for extinguishing, preventing and/or controlling fires using a composition containing CHF.sub.3 is disclosed. CHF.sub.3 can be used in volume percentages with air as high as 80% without adversely affecting mammalian habitation, with no effect on the ozone in the stratosphere and with little effect on the global warming process.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: May 26, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Alfred P. Dougherty, Jr., Richard E. Fernandez, Daniel W. Moore
  • Fire extinguishing composition and process
    Patent number: 5040609
    Abstract: A process for extinguishing, preventing and controlling fires using a composition containing CHF.sub.3 is disclosed. CHF.sub.3 can be used in volume percentages with air as high as 80% without adversely affecting mammalian habitation, with no effect on the ozone in the stratosphere and with little effect on the global warming process.
    Type: Grant
    Filed: October 4, 1989
    Date of Patent: August 20, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Alfred P. Dougherty, Jr., Richard E. Fernandez, Daniel W. Moore