Patents by Inventor Robert B. Croman

Robert B. Croman 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).

  • High performance aramid matrix composites
    Patent number: 5094794
    Abstract: Thermoprocessible aramid matrix polymer based composites have high flex and short beam shear strengths and low moisture uptake.
    Type: Grant
    Filed: May 1, 1991
    Date of Patent: March 10, 1992
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert B. Croman, Hamid M. Ghorashi, Gurdial Singh
  • High performance aramid matrix composites
    Patent number: 5077125
    Abstract: Thermoprocessible aramid matrix polymer based composites have high flex and short beam shear strengths and low moisture uptake.
    Type: Grant
    Filed: December 20, 1990
    Date of Patent: December 31, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert B. Croman, Hamid M. Ghorashi, Gurdial Singh
  • High performance aramid matrix composites
    Patent number: 4999395
    Abstract: Thermoprocessible aramid matrix polymer based composites have high flex and short beam shear strengths and low moisture uptake.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: March 12, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert B. Croman, Hamid M. Ghorashi, Gurdial Singh