Patents by Inventor Diana Dobrez-Florez

Diana Dobrez-Florez 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).

  • Kit of parts for filling cracks with foamable polyurethane prepolymer
    Patent number: 6478561
    Abstract: A kit of parts useful for sealing a crack in a concrete surface by injecting a sealing material into the crack including a plurality of injection port members and deformable metal crimping sleeves. Each injection port member has a flat base which is attached to the concrete surface by a settable adhesive compound. A disposable, aerosol-charged, supply container having a one-component polyurethane prepolymer without any granular material entrained therein.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: November 12, 2002
    Assignee: Flexible Products Company
    Inventors: Robert Braun, Diana Dobrez-Florez, Jess Garcia, Deborah Schutter
  • User friendly crack-filling system and method for filling cracks with foamable polyurethane prepolymer
    Publication number: 20010054474
    Abstract: A method for filling cracks in concrete surfaces using a one-component, hydrophilic polyurethane prepolymer without the addition of any granular impregnating agents is disclosed. The prepolymer is provided in a hand-held aerosol container and is injected into the cracks through hollow injection ports that are adhered in place on the surfaces over the cracks and subsequently closed off when filled. The crack is filled from the bottom up to prevent the formation of air pockets in the crack.
    Type: Application
    Filed: August 20, 2001
    Publication date: December 27, 2001
    Inventors: Robert Braun, Diana Dobrez-Florez, Jess Garcia, Deborah Schutter
  • Method for filling cracks in a concrete structure with foamable polyurethane prepolymer
    Patent number: 6309493
    Abstract: A method for filling cracks in concrete surfaces using a one-component, hydrophilic polyurethane prepolymer without the addition of any granular impregnating agents The prepolymer is provided in a hand-held aerosol container and is injected into the cracks through hollow injection ports that are adhered in place on the surfaces over the cracks and subsequently closed off when filled. The crack is filled from the bottom up to prevent the formation of air pockets in the crack.
    Type: Grant
    Filed: February 11, 1999
    Date of Patent: October 30, 2001
    Assignee: Flexible Products Company
    Inventors: Robert Braun, Diana Dobrez-Florez, Jess Garcia, Deborah Schutter