Patents by Inventor Isaak Lapides

Isaak Lapides 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).

  • Organo-clay complexes
    Publication number: 20060154802
    Abstract: The invention provides a process for the preparation of a pigment which is an organo-clay complex comprising introducing an aniline derivative acidified by hydrochloric acid and a secondary aromatic compound into a smectite mineral and treating the same with sodium nitrite solution whereby an azo-dye compound is obtained in the interlayer space of the clay to form pigmented particles.
    Type: Application
    Filed: June 12, 2003
    Publication date: July 13, 2006
    Inventors: Shmuel Yariv, Isaak Lapides, Hagai Peled, Zohar Yirmiyahu