Patents by Inventor Leroy W. Scott

Leroy W. Scott 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).

  • Curable epoxy-carboxylic acid adducts
    Patent number: 4119609
    Abstract: Adducts of epoxy compounds with amino-substituted aromatic carboxylic acids are described. These carboxyl-containing adducts may be cured with conventional epoxy curing agents or solubilized to prepare aqueous coating systems.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: October 10, 1978
    Assignee: Shell Oil Company
    Inventors: Roy A. Allen, LeRoy W. Scott
  • Curable water-borne epoxy resin coating compositions
    Patent number: 4098744
    Abstract: Hydrolytically-stable, water-soluble curable coating compositions are prepared by (1) condensing an epoxy resin with an amino-substituted aromatic carboxylic acid, preferably an amino-substituted benzoic acid, and then (2) essentially neutralizing the condensate with an amine, preferably a tertiary amine such as triethylamine and dimethylethanol amine or ammonia.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: July 4, 1978
    Assignee: Shell Oil Company
    Inventors: Roy A. Allen, LeRoy W. Scott
  • Water-borne epoxy resin coating compositions
    Patent number: 4094844
    Abstract: Hydrolytically-stable, water-soluble, curable coating compositions are prepared by (1) condensing an excess of a lower molecular weight epoxy resin with an amino-substituted benzoic acid, (2) reacting the terminal epoxide groups of the resulting condensate with a secondary amine and then (3) solubilizing the product by neutralizing or reacting the carboxyl groups with a tertiary amine or ammonia.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: June 13, 1978
    Assignee: Shell Oil Company
    Inventors: Roy A. Allen, Leroy W. Scott