Patents by Inventor Russell L. Barcelona, Jr.

Russell L. Barcelona, Jr. 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).

  • Water-spot remover containing hydrofluoric acid, ammonium fluoride, and an alcohol
    Patent number: 5164018
    Abstract: A chemical composition which, when applied to water spots on a glass surface such as a windshield, removes the water spots from the windshield or other glass surface. The composition includes (a) an alcohol such as isopropyl alcohol with one to three carbon atoms per molecule, (b) hydrofluoric acid, (c) water, and optionally (d) ammonium fluoride.
    Type: Grant
    Filed: March 18, 1992
    Date of Patent: November 17, 1992
    Inventor: Russell L. Barcelona, Jr.