Patents by Inventor Wilhelmus Johannes Martinus Der Kinderen

Wilhelmus Johannes Martinus Der Kinderen 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).

  • Publication number: 20230244134
    Abstract: A photographic paper comprising a base layer having an average surface roughness (Sa) of at least 0.7pm and an outer-most layer comprising a hydrophilic colloid binder and colloidal silica, wherein: (i) the weight ratio of colloidal silica to hydrophilic colloid binder in the outer-most layer is 0.05: 1 to 0.28:1; and (ii) the amount of colloidal silica present in the outer-most layer is in the range of 8 mg/m2 to 280 mg/m2. The photographic paper is useful for preparing ‘non-noisy’ photobooks.
    Type: Application
    Filed: March 23, 2021
    Publication date: August 3, 2023
    Inventors: Wilhelmus Johannes Martinus Der Kinderen, Mattijs De Munnik, Dennis Imre Lubertus Termeczky, Elisabeth Maria Waltherus Van Limpt