Patents by Inventor John A. Shomer

John A. Shomer 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).

  • Homogeneous accelerator system for epoxy resins
    Patent number: 5243014
    Abstract: The present invention relates to a homogeneous accelerator system for epoxy resins and to a method of curing such epoxy resins, wherein the system comprises (a) an inorganic salt which contains a nitrate ion, (b) aliphatic hydroxy compound selected from monohydric alcohols containing 1 to 10 carbon atoms in the molecule, polyhydric alcohols containing 2 to 10 carbon atoms and 2 to 4 hydroxy groups in the molecule, and poly (C.sub.2-5 alkylene) glycols and (c) an aminophenol.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: September 7, 1993
    Inventor: John A. Shomer
  • Homogeneous accelerator system for epoxy resins
    Patent number: 5198146
    Abstract: The present invention provides a homogeneous accelerator system, having improved efficacy for curing epoxy resins, which comprises (A) an inorganic salt which contains a nitrate ion, (B) an aliphatic hydroxy compound selected from monohydric alcohols containing 1 to 10 carbon atoms in the molecule, polyhydric alcohols containing 2 to 10 carbon atoms and 2 to 4 hydroxy groups in the molecule, and poly (c.sub.2-5 alkylene)glycols and (C) an aminophenol accelerator.
    Type: Grant
    Filed: July 24, 1991
    Date of Patent: March 30, 1993
    Inventor: John A. Shomer