Patents by Inventor Joseph T. Brennan

Joseph T. Brennan 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).

  • Method of making pesticide sticker-extender
    Patent number: 5543384
    Abstract: A method of making a sticker-extender for pesticides comprising a first mixture comprising an anhydride, an acid and turpentine mixed with a second mixture comprising an isomeric alcohol and at least one amino alcohol, the first mixture comprising more than 50% of the total mixture. The anhydride is maleic anhydride and the acid is sulfuric acid. The amino alcohols are monoethanolamine, diethanolamine, triethanolamine and mono-isopropylamine.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: August 6, 1996
    Assignee: Terra International, Inc.
    Inventor: Joseph T. Brennan
  • Pesticide sticker-extender comprising maleic anhydride, sulfuric acid, turpentine, butanol, and alkanolamines
    Patent number: 5534480
    Abstract: A sticker-extender for pesticides comprising a first mixture comprising an anhydride, an acid and turpentine mixed with a second mixture comprising an isomeric alcohol and at least one amino alcohol, the first mixture comprising more than 50% of the total mixture. The anhydride is maleic anhydride and the acid is sulfuric acid. The amino alcohols are monoethanolamine, diethanolamine, triethanolamine and mono-isopropylamine.
    Type: Grant
    Filed: April 28, 1994
    Date of Patent: July 9, 1996
    Assignee: Terra International, Inc.
    Inventor: Joseph T. Brennan