Patents by Inventor Robert Arthur Lindner

Robert Arthur Lindner 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).

  • Patent number: 4111886
    Abstract: A plastic composition with an external lubricant comprising (a) a polymer selected from the group consisting of phenoplasts and chlorine-containing thermoplastic polymers and (b) a calcium salt of a monoalkyl ester of a dicarboxylic acid where said monoalkyl contains more than 18 but less than 72 carbon atoms and said dicarboxylic acid is selected from the group consisting of succinic acid, glutaric acid, phthalic acid, terephthalic acid and isophthalic acid, where the proportion by weight of said calcium salt to said polymer is from 0.05 to 10.0:100.
    Type: Grant
    Filed: February 27, 1978
    Date of Patent: September 5, 1978
    Assignee: Henkel Inc.
    Inventors: Robert Arthur Lindner, Robert James Limon