Patents by Inventor Oswald Sander

Oswald Sander 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).

  • Formaldehyde-free wood binder
    Patent number: 11078365
    Abstract: The formaldehyde-free binder for materials containing cellulose contains a hydroxy aldehyde resin polycondensed with an ammonium salt, the resin being obtained, in especially preferred embodiments, from glycerin, in situ, with the aid of hydrogen peroxide. A protein component consisting of animal blood is added. The binder is urea-free and can be used as a one-component or two-component binder. It binds materials such as wood, paper and other natural fibres to form high-quality composite material products.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: August 3, 2021
    Assignee: Sestec Sp. z o.o.
    Inventors: Hans-Joachim Edelmann, Oswald Sander
  • FORMALDEHYDE-FREE WOOD BINDER
    Publication number: 20190119500
    Abstract: The formaldehyde-free binder for materials containing cellulose contains a hydroxy aldehyde resin polycondensed with an ammonium salt, the resin being obtained, in especially preferred embodiments, from glycerin, in situ, with the aid of hydrogen peroxide. A protein component consisting of animal blood is added. The binder is urea-free and can be used as a one-component or two-component binder. It binds materials such as wood, paper and other natural fibres to form high-quality composite material products.
    Type: Application
    Filed: February 27, 2017
    Publication date: April 25, 2019
    Inventors: Hans-Joachim Edelmann, Oswald Sander