Patents by Inventor Marija del Rio

Marija del Rio 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).

  • Metal complex compounds of polyacyl-2,4-dihydrazino-5-triazines
    Patent number: 4104258
    Abstract: A metal compound of a polyacyl-2,4-dihydrazino-s-triazine in which the metal is chemically bound in complex form to the polymer to provide dimensionally stable and heat-resistant polymeric compounds which are useful as pigments, catalysts and synthetic fibers.
    Type: Grant
    Filed: May 20, 1974
    Date of Patent: August 1, 1978
    Assignee: Akzona Incorporated
    Inventors: Marija del Rio, Joachim Behnke, Michael Wallrabenstein, Dieter Frank