Patents by Inventor Giuseppe Anzuino

Giuseppe Anzuino 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).

  • Process for preparing polyamides having a modified dye affinity
    Patent number: 4391968
    Abstract: Polyamides having a modified dye affinity are disclosed as prepared by polymerizing polyamide-forming monomers with a mixture consisting or consisting essentially of a dicarboxylic acid having the general formula HOOC--R--COOH, in which R is an aromatic, cyclo-aliphatic or aliphatic radical, and of a salt of a sulphonic dicarboxylic acid having the general formula: ##STR1## in which R has the meaning specified hereinbefore, X is an alkali or alkaline earth metal or ammonium, and n is a whole number from 1 to 4.
    Type: Grant
    Filed: February 20, 1981
    Date of Patent: July 5, 1983
    Assignee: Montedison S.p.A.
    Inventors: Gianfranco Merani, Giuseppe Anzuino