Patents by Inventor Paul Zengerle

Paul Zengerle 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: 20050089806
    Abstract: A process for making a direct dispersion of a photographically useful material comprising: mixing (i) an aqueous phase and (ii) a liquid organic phase under conditions of shear or turbulence to form a dispersion of the organic phase dispersed in the aqueous phase; wherein the liquid organic phase comprises one or more photographically useful materials and one or more organic solvents having a boiling point of at least 150° C., a molecular weight less than or equal to 300, and a solvatochromic parameter ? value greater than or equal to 0.50, wherein the weight ratio of the sum of the solvents having a boiling point of at least 150° C., a molecular weight less than or equal to 300, and a solvatochromic parameter ? value greater than or equal to 0.50 to the photographically useful materials does not exceed 0.25.
    Type: Application
    Filed: October 24, 2003
    Publication date: April 28, 2005
    Inventors: Paul Zengerle, Richard Rothrock, Jerrold Poslusny, Stephen Singer, Peter Garrisi, Paul Merkel