Patents by Inventor Carlo M. Ignoffo

Carlo M. Ignoffo 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).

  • Pesticide compositions stabilized with sulfonated catechin/leucocyanidin copolymer and method of using same
    Patent number: 4094969
    Abstract: Pesticidal compositions useful in agriculture but subject to rapid degradation on exposure to sunlight are stabilized by including in the formulation an amount of a sulfonated copolymer of catechin and leucocyanidin having a molecular weight in the range of about 3000 to 6000, or of an agronomically acceptable metal or ammonium salt thereof, in an amount sufficient to provide a concentration of about 1/4 lb. to 5 lbs. per acre.
    Type: Grant
    Filed: June 16, 1975
    Date of Patent: June 13, 1978
    Assignee: Sandoz, Inc.
    Inventors: Othmer F. Batzer, Carlo M. Ignoffo