Patents by Inventor Peter V. Susi

Peter V. Susi 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).

  • Stabilization of high solids coatings with synergistic combinations
    Patent number: 4740542
    Abstract: A method of stabilizing a polymer film coating or molded article against the action of light, moisture, and oxygen is disclosed. The method comprises incorporating in said polymer a stabilizingly and synergistically effective amount of:(A) A 2,2,6,6-tetraalkylpiperidine compound, or the acid addition salts or complexes with metal compounds thereof; and(B) A tris-aryl-s-triazine compound represented by the formula: ##STR1## wherein X, Y and Z are each aromatic, carbocylic radicals of less than three 6-membered rings, and at least one of X, Y and Z is substituted by a hydroxy group ortho to the point of attachment to the triazine ring; and each of R.sup.1 through R.sup.9 is selected from the group consisting of hydrogen, hydroxy, alkyl, alkoxy, sulfonic, carboxy, halo, haloalkyl and acylamino.
    Type: Grant
    Filed: August 11, 1986
    Date of Patent: April 26, 1988
    Assignee: American Cyanamid Company
    Inventor: Peter V. Susi
  • Stabilization of high solids coatings with synergistic combinations
    Patent number: 4619956
    Abstract: A method of stabilizing a polymer film coating or molded article against the action of light, moisture, and oxygen is disclosed. The method comprises incorporating in said polymer a stabilizingly and synergistically effective amount of:(A) A 2,2,6,6-tetraalkylpiperidine compound, or the acid addition salts or complexes with metal compounds thereof; and(B) A tris-aryl-s-triazine compound represented by the formula: ##STR1## wherein X, Y and Z are each aromatic, carbocylic radicals of less than three 6-membered rings, and at least one of X, Y and Z is substituted by a hydroxy group ortho to the point of attachment to the triazine ring; and each of R.sup.1 through R.sup.9 is selected from the group consisting of hydrogen, hydroxy, alkyl, alkoxy, sulfonic, carboxy, halo, haloalkyl and acylamino.
    Type: Grant
    Filed: May 3, 1985
    Date of Patent: October 28, 1986
    Assignee: American Cyanamid Co.
    Inventor: Peter V. Susi
  • 1-Oxa-4-azaspiro[4,5]decanes as light stabilizers for polymers
    Patent number: 4125518
    Abstract: This invention relates to the use of 1-oxa-4-azaspiro[4,5]decanes as light stabilizers for polymers.
    Type: Grant
    Filed: March 30, 1978
    Date of Patent: November 14, 1978
    Assignee: American Cyanamid Company
    Inventor: Peter V. Susi