Patents by Inventor Douglas H. MacIntosh

Douglas H. MacIntosh 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).

  • Glycol ether/siloxane polymer penetrating and lubricating composition
    Patent number: 4248724
    Abstract: A penetrating and lubricating composition consisting of a silicone lubricant dissolved in a glycol ether carrier having a very low surface tension. The glycol ether gives the composition the ability to penetrate into the cracks between two seized or corroded elements and dissolve any rust or corrosion present. The glycol ether then volitalizes leaving a coating of silicone on the parts to serve as a lubricant and prevent further corrosion.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: February 3, 1981
    Inventor: Douglas H. MacIntosh