Patents Assigned to Polymer Additives, Inc.
  • Phenol-free overbased alkaline earth metal carboxylate
    Patent number: 9382403
    Abstract: A phenol-free overbased alkaline earth metal carboxylate is obtained by reacting a cyclic ether alcohol, an alkaline earth metal hydroxide, a fatty carboxylic acid, carbon dioxide, an optional fatty alcohol, and an optional liquid hydrocarbon solvent or oil.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: July 5, 2016
    Assignee: Polymer Additives, Inc.
    Inventor: John D. Bradshaw