Patents by Inventor Guiseppe Cantarore

Guiseppe Cantarore 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).

  • Piperidine-triazine compounds
    Patent number: 5039799
    Abstract: The present invention relates to novel piperidine-triazine compounds of the general formula (I) ##STR1## in which R.sub.1 e.g. hydrogen or methyl, .lambda. is e.g. 1 and R.sub.2 and R.sub.3 are e.g. N-(2,2,6,6-tetramethyl-4-piperidyl)-tetrahydrofurfurylamino or 1,2,2,6,6-pentamethyl-4-piperidyloxy.These compounds are effective as light stabilizers, heat stabilizers and oxidation stabilizers for organic materials.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: August 13, 1991
    Assignee: Ciba-Geigy Corporation
    Inventors: Guiseppe Cantarore, Valerio Borzatta, Franca Masina