Patents by Inventor Ernest S. Reeh

Ernest S. Reeh 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).

  • Dental root canal filling, retrofilling, and perforation repair material
    Patent number: 6197846
    Abstract: The present invention is an endodontic sealer paste and an endodontic core material for root canal filling, retrofilling, and perforation repair. The endodontic sealer paste contains a dry poly(carboxylic acid), zinc oxide, and an aliphatic acid. The endodontic core material contains a pliant polymer, a dry poly(carboxylic acid), and zinc oxide.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: March 6, 2001
    Assignee: River Valley Endodontics, P.A.
    Inventors: Edward C. Combe, Ernest S. Reeh
  • Dental root canal filling, retrofilling, and perforation repair materials
    Patent number: 6028125
    Abstract: The present invention is an endodontic sealer paste and an endodontic core material for root canal filling, retrofilling, and perforation repair. The endodontic sealer paste contains a dry poly(carboxylic acid), zinc oxide, and an aliphatic acid. The endodontic core material contains a pliant polymer, a dry poly(carboxylic acid), and zinc oxide.
    Type: Grant
    Filed: June 10, 1998
    Date of Patent: February 22, 2000
    Assignee: River Valley Endodontics, P.A.
    Inventors: Edward C. Combe, Ernest S. Reeh